./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/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 c45c2e72fe5956609ac14f38b7bc5b3490c2942a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:54:14,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:54:14,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:54:14,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:54:14,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:54:14,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:54:14,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:54:14,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:54:14,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:54:14,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:54:14,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:54:14,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:54:14,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:54:14,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:54:14,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:54:14,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:54:14,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:54:14,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:54:14,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:54:14,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:54:14,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:54:14,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:54:14,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:54:14,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:54:14,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:54:14,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:54:14,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:54:14,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:54:14,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:54:14,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:54:14,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:54:14,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:54:14,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:54:14,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:54:14,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:54:14,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:54:14,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:54:14,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:54:14,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:54:14,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:54:14,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:54:14,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:54:14,794 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:54:14,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:54:14,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:54:14,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:54:14,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:54:14,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:54:14,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:54:14,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:54:14,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:54:14,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:54:14,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:54:14,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:54:14,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:54:14,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:54:14,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:54:14,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:54:14,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:54:14,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:54:14,803 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:54:14,804 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:54:14,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:54:14,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:54:14,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:54:14,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:54:14,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:54:14,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:54:14,806 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:54:14,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:54:14,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:54:14,807 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_48adb22c-5517-479a-b24a-7aebf7800164/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45c2e72fe5956609ac14f38b7bc5b3490c2942a [2020-12-01 17:54:15,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:54:15,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:54:15,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:54:15,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:54:15,163 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:54:15,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2020-12-01 17:54:15,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/data/948c2db50/1d0ab0619fdd48bc9c05a0c752bf5b6c/FLAG62764be9c [2020-12-01 17:54:15,897 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:54:15,897 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2020-12-01 17:54:15,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/data/948c2db50/1d0ab0619fdd48bc9c05a0c752bf5b6c/FLAG62764be9c [2020-12-01 17:54:16,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/data/948c2db50/1d0ab0619fdd48bc9c05a0c752bf5b6c [2020-12-01 17:54:16,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:54:16,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:54:16,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:16,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:54:16,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:54:16,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342c48d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16, skipping insertion in model container [2020-12-01 17:54:16,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:54:16,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:54:16,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:16,651 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:54:16,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:16,730 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:54:16,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16 WrapperNode [2020-12-01 17:54:16,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:16,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:16,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:54:16,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:54:16,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:16,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:54:16,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:54:16,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:54:16,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... [2020-12-01 17:54:16,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:54:16,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:54:16,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:54:16,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:54:16,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:54:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:54:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:54:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:54:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:54:17,175 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:54:17,976 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-12-01 17:54:17,977 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-12-01 17:54:18,422 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:54:18,423 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:54:18,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:18 BoogieIcfgContainer [2020-12-01 17:54:18,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:54:18,431 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:54:18,431 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:54:18,444 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:54:18,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:18" (1/1) ... [2020-12-01 17:54:18,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:54:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 85 states and 146 transitions. [2020-12-01 17:54:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 146 transitions. [2020-12-01 17:54:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:54:18,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 87 states and 146 transitions. [2020-12-01 17:54:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2020-12-01 17:54:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:54:18,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 160 transitions. [2020-12-01 17:54:19,143 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions. [2020-12-01 17:54:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:54:19,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:19,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:19,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 103 states and 180 transitions. [2020-12-01 17:54:19,439 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 180 transitions. [2020-12-01 17:54:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:54:19,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:20,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 132 states and 242 transitions. [2020-12-01 17:54:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 242 transitions. [2020-12-01 17:54:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:54:20,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:20,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 134 states and 245 transitions. [2020-12-01 17:54:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2020-12-01 17:54:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:54:20,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 154 states and 271 transitions. [2020-12-01 17:54:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2020-12-01 17:54:20,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:54:20,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 172 states and 293 transitions. [2020-12-01 17:54:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 293 transitions. [2020-12-01 17:54:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:54:21,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 174 states and 295 transitions. [2020-12-01 17:54:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 295 transitions. [2020-12-01 17:54:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:54:21,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:22,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 185 states and 314 transitions. [2020-12-01 17:54:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 314 transitions. [2020-12-01 17:54:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:54:22,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 195 states and 325 transitions. [2020-12-01 17:54:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 325 transitions. [2020-12-01 17:54:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:54:22,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:22,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 206 states and 344 transitions. [2020-12-01 17:54:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 344 transitions. [2020-12-01 17:54:22,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:54:22,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:23,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 206 states and 343 transitions. [2020-12-01 17:54:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 343 transitions. [2020-12-01 17:54:23,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:54:23,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 209 states and 351 transitions. [2020-12-01 17:54:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 351 transitions. [2020-12-01 17:54:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:54:23,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 209 states and 350 transitions. [2020-12-01 17:54:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 350 transitions. [2020-12-01 17:54:24,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:54:24,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 209 states and 349 transitions. [2020-12-01 17:54:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 349 transitions. [2020-12-01 17:54:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:54:24,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 241 states and 408 transitions. [2020-12-01 17:54:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 408 transitions. [2020-12-01 17:54:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:26,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 242 states and 409 transitions. [2020-12-01 17:54:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 409 transitions. [2020-12-01 17:54:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:26,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 256 states and 433 transitions. [2020-12-01 17:54:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 433 transitions. [2020-12-01 17:54:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:28,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 256 states and 432 transitions. [2020-12-01 17:54:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 432 transitions. [2020-12-01 17:54:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:28,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 270 states and 455 transitions. [2020-12-01 17:54:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 455 transitions. [2020-12-01 17:54:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:54:30,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 272 states and 457 transitions. [2020-12-01 17:54:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 457 transitions. [2020-12-01 17:54:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:54:30,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:30,989 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 274 states and 460 transitions. [2020-12-01 17:54:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 460 transitions. [2020-12-01 17:54:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:54:31,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 316 states and 546 transitions. [2020-12-01 17:54:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 546 transitions. [2020-12-01 17:54:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:54:33,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 317 states and 547 transitions. [2020-12-01 17:54:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 547 transitions. [2020-12-01 17:54:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 17:54:33,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 318 states and 548 transitions. [2020-12-01 17:54:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 548 transitions. [2020-12-01 17:54:34,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 17:54:34,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:54:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 331 states and 576 transitions. [2020-12-01 17:54:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 576 transitions. [2020-12-01 17:54:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 17:54:35,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 353 states and 616 transitions. [2020-12-01 17:54:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 616 transitions. [2020-12-01 17:54:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:54:37,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 359 states and 638 transitions. [2020-12-01 17:54:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 638 transitions. [2020-12-01 17:54:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:54:38,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 360 states and 649 transitions. [2020-12-01 17:54:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 649 transitions. [2020-12-01 17:54:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:54:39,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 363 states and 656 transitions. [2020-12-01 17:54:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 656 transitions. [2020-12-01 17:54:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:54:39,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 363 states and 654 transitions. [2020-12-01 17:54:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 654 transitions. [2020-12-01 17:54:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:54:39,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 366 states and 661 transitions. [2020-12-01 17:54:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 661 transitions. [2020-12-01 17:54:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:54:39,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 367 states and 662 transitions. [2020-12-01 17:54:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 662 transitions. [2020-12-01 17:54:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:54:39,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 374 states and 673 transitions. [2020-12-01 17:54:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 673 transitions. [2020-12-01 17:54:41,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:54:41,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 379 states and 682 transitions. [2020-12-01 17:54:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 682 transitions. [2020-12-01 17:54:41,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:54:41,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 380 states and 693 transitions. [2020-12-01 17:54:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 693 transitions. [2020-12-01 17:54:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:54:42,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 381 states and 694 transitions. [2020-12-01 17:54:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 694 transitions. [2020-12-01 17:54:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:54:42,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 382 states and 695 transitions. [2020-12-01 17:54:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 695 transitions. [2020-12-01 17:54:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:54:42,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:54:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 383 states and 696 transitions. [2020-12-01 17:54:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 696 transitions. [2020-12-01 17:54:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:54:42,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 407 states and 738 transitions. [2020-12-01 17:54:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 738 transitions. [2020-12-01 17:54:44,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:54:44,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 410 states and 745 transitions. [2020-12-01 17:54:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 745 transitions. [2020-12-01 17:54:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:54:44,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 411 states and 746 transitions. [2020-12-01 17:54:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 746 transitions. [2020-12-01 17:54:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:54:44,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:44,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 412 states and 747 transitions. [2020-12-01 17:54:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 747 transitions. [2020-12-01 17:54:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:44,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:54:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 414 states and 750 transitions. [2020-12-01 17:54:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 750 transitions. [2020-12-01 17:54:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:45,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 417 states and 757 transitions. [2020-12-01 17:54:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 757 transitions. [2020-12-01 17:54:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:45,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:54:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 420 states and 761 transitions. [2020-12-01 17:54:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 761 transitions. [2020-12-01 17:54:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:45,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 421 states and 762 transitions. [2020-12-01 17:54:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 762 transitions. [2020-12-01 17:54:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:45,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 422 states and 763 transitions. [2020-12-01 17:54:45,258 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 763 transitions. [2020-12-01 17:54:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:45,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 425 states and 768 transitions. [2020-12-01 17:54:45,313 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 768 transitions. [2020-12-01 17:54:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:45,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:54:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 420 states and 758 transitions. [2020-12-01 17:54:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 758 transitions. [2020-12-01 17:54:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:54:46,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:54:46,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 421 states and 759 transitions. [2020-12-01 17:54:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 759 transitions. [2020-12-01 17:54:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:54:46,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:54:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 423 states and 763 transitions. [2020-12-01 17:54:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 763 transitions. [2020-12-01 17:54:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:54:46,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 424 states and 764 transitions. [2020-12-01 17:54:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 764 transitions. [2020-12-01 17:54:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:54:47,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 427 states and 769 transitions. [2020-12-01 17:54:47,091 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 769 transitions. [2020-12-01 17:54:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:54:47,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 428 states and 770 transitions. [2020-12-01 17:54:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 770 transitions. [2020-12-01 17:54:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:54:47,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 436 states and 778 transitions. [2020-12-01 17:54:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 778 transitions. [2020-12-01 17:54:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:54:48,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 437 states and 779 transitions. [2020-12-01 17:54:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 779 transitions. [2020-12-01 17:54:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:54:48,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:48,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 438 states and 780 transitions. [2020-12-01 17:54:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 780 transitions. [2020-12-01 17:54:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:54:48,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 441 states and 785 transitions. [2020-12-01 17:54:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 785 transitions. [2020-12-01 17:54:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:54:48,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 444 states and 790 transitions. [2020-12-01 17:54:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 790 transitions. [2020-12-01 17:54:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:54:49,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 447 states and 795 transitions. [2020-12-01 17:54:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 795 transitions. [2020-12-01 17:54:49,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:54:49,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 450 states and 800 transitions. [2020-12-01 17:54:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 800 transitions. [2020-12-01 17:54:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:54:49,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:49,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 451 states and 801 transitions. [2020-12-01 17:54:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 801 transitions. [2020-12-01 17:54:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:54:49,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:54:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 465 states and 832 transitions. [2020-12-01 17:54:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 832 transitions. [2020-12-01 17:54:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:54:51,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 466 states and 833 transitions. [2020-12-01 17:54:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 833 transitions. [2020-12-01 17:54:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:54:51,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 467 states and 834 transitions. [2020-12-01 17:54:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 834 transitions. [2020-12-01 17:54:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:54:51,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:54:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 466 states and 832 transitions. [2020-12-01 17:54:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 832 transitions. [2020-12-01 17:54:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:54:51,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:54:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 476 states and 844 transitions. [2020-12-01 17:54:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 844 transitions. [2020-12-01 17:54:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:54:52,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:54:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 486 states and 871 transitions. [2020-12-01 17:54:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 871 transitions. [2020-12-01 17:54:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:54:53,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:54:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 489 states and 876 transitions. [2020-12-01 17:54:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 876 transitions. [2020-12-01 17:54:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:54:53,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:54:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 505 states and 908 transitions. [2020-12-01 17:54:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 908 transitions. [2020-12-01 17:54:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:54:57,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 508 states and 912 transitions. [2020-12-01 17:54:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 912 transitions. [2020-12-01 17:54:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:54:58,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:58,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 513 states and 923 transitions. [2020-12-01 17:54:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 923 transitions. [2020-12-01 17:54:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:54:58,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 517 states and 929 transitions. [2020-12-01 17:54:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 929 transitions. [2020-12-01 17:54:58,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:54:58,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 526 states and 940 transitions. [2020-12-01 17:54:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 940 transitions. [2020-12-01 17:54:58,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:54:58,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 529 states and 944 transitions. [2020-12-01 17:54:59,935 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 944 transitions. [2020-12-01 17:54:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:54:59,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:55:02,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:02,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 545 states and 970 transitions. [2020-12-01 17:55:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 970 transitions. [2020-12-01 17:55:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:55:02,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:55:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 546 states and 973 transitions. [2020-12-01 17:55:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 973 transitions. [2020-12-01 17:55:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:55:03,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 547 states and 974 transitions. [2020-12-01 17:55:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 974 transitions. [2020-12-01 17:55:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:55:03,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 548 states and 975 transitions. [2020-12-01 17:55:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 975 transitions. [2020-12-01 17:55:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:03,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:55:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 550 states and 978 transitions. [2020-12-01 17:55:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 978 transitions. [2020-12-01 17:55:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:03,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-01 17:55:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 552 states and 981 transitions. [2020-12-01 17:55:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 981 transitions. [2020-12-01 17:55:03,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:03,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:55:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 555 states and 984 transitions. [2020-12-01 17:55:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 984 transitions. [2020-12-01 17:55:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:03,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 560 states and 993 transitions. [2020-12-01 17:55:03,588 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 993 transitions. [2020-12-01 17:55:03,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:03,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 561 states and 994 transitions. [2020-12-01 17:55:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 994 transitions. [2020-12-01 17:55:03,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:03,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 565 states and 1000 transitions. [2020-12-01 17:55:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1000 transitions. [2020-12-01 17:55:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:03,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 575 states and 1029 transitions. [2020-12-01 17:55:05,359 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1029 transitions. [2020-12-01 17:55:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:05,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 579 states and 1044 transitions. [2020-12-01 17:55:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1044 transitions. [2020-12-01 17:55:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:55:05,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 591 states and 1063 transitions. [2020-12-01 17:55:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1063 transitions. [2020-12-01 17:55:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:55:08,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 592 states and 1064 transitions. [2020-12-01 17:55:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1064 transitions. [2020-12-01 17:55:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:55:08,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 595 states and 1069 transitions. [2020-12-01 17:55:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1069 transitions. [2020-12-01 17:55:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:55:08,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 597 states and 1070 transitions. [2020-12-01 17:55:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1070 transitions. [2020-12-01 17:55:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:55:08,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:55:09,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 598 states and 1073 transitions. [2020-12-01 17:55:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1073 transitions. [2020-12-01 17:55:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:55:09,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 599 states and 1074 transitions. [2020-12-01 17:55:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1074 transitions. [2020-12-01 17:55:09,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:55:09,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:55:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 602 states and 1085 transitions. [2020-12-01 17:55:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1085 transitions. [2020-12-01 17:55:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:55:09,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 603 states and 1086 transitions. [2020-12-01 17:55:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1086 transitions. [2020-12-01 17:55:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:55:09,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 606 states and 1091 transitions. [2020-12-01 17:55:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1091 transitions. [2020-12-01 17:55:09,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:55:09,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 607 states and 1092 transitions. [2020-12-01 17:55:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1092 transitions. [2020-12-01 17:55:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:55:10,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 609 states and 1094 transitions. [2020-12-01 17:55:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1094 transitions. [2020-12-01 17:55:10,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:55:10,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 626 states and 1128 transitions. [2020-12-01 17:55:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1128 transitions. [2020-12-01 17:55:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:55:13,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:55:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 626 states and 1127 transitions. [2020-12-01 17:55:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1127 transitions. [2020-12-01 17:55:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:55:13,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:13,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 630 states and 1136 transitions. [2020-12-01 17:55:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1136 transitions. [2020-12-01 17:55:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:55:13,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:55:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 631 states and 1141 transitions. [2020-12-01 17:55:14,334 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1141 transitions. [2020-12-01 17:55:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:55:14,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 632 states and 1142 transitions. [2020-12-01 17:55:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1142 transitions. [2020-12-01 17:55:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:55:14,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 633 states and 1143 transitions. [2020-12-01 17:55:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1143 transitions. [2020-12-01 17:55:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:55:14,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:14,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 636 states and 1150 transitions. [2020-12-01 17:55:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1150 transitions. [2020-12-01 17:55:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:55:14,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:15,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:15,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 642 states and 1156 transitions. [2020-12-01 17:55:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1156 transitions. [2020-12-01 17:55:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:55:15,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:15,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 643 states and 1157 transitions. [2020-12-01 17:55:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1157 transitions. [2020-12-01 17:55:15,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:55:15,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:15,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 646 states and 1162 transitions. [2020-12-01 17:55:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1162 transitions. [2020-12-01 17:55:15,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:55:15,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 647 states and 1163 transitions. [2020-12-01 17:55:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1163 transitions. [2020-12-01 17:55:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 17:55:15,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 662 states and 1184 transitions. [2020-12-01 17:55:19,093 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1184 transitions. [2020-12-01 17:55:19,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 17:55:19,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 663 states and 1185 transitions. [2020-12-01 17:55:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1185 transitions. [2020-12-01 17:55:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 17:55:19,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 664 states and 1186 transitions. [2020-12-01 17:55:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1186 transitions. [2020-12-01 17:55:19,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:55:19,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 665 states and 1187 transitions. [2020-12-01 17:55:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1187 transitions. [2020-12-01 17:55:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:55:19,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 682 states and 1206 transitions. [2020-12-01 17:55:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1206 transitions. [2020-12-01 17:55:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:55:21,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:55:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 685 states and 1209 transitions. [2020-12-01 17:55:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1209 transitions. [2020-12-01 17:55:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:55:22,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:55:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 686 states and 1210 transitions. [2020-12-01 17:55:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1210 transitions. [2020-12-01 17:55:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:55:22,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 686 states and 1209 transitions. [2020-12-01 17:55:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1209 transitions. [2020-12-01 17:55:23,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:55:23,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 702 states and 1230 transitions. [2020-12-01 17:55:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1230 transitions. [2020-12-01 17:55:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 17:55:24,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:55:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 703 states and 1231 transitions. [2020-12-01 17:55:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1231 transitions. [2020-12-01 17:55:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 17:55:24,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 704 states and 1239 transitions. [2020-12-01 17:55:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1239 transitions. [2020-12-01 17:55:24,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 17:55:24,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 700 states and 1234 transitions. [2020-12-01 17:55:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1234 transitions. [2020-12-01 17:55:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 17:55:25,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 701 states and 1235 transitions. [2020-12-01 17:55:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1235 transitions. [2020-12-01 17:55:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 17:55:26,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 701 states and 1234 transitions. [2020-12-01 17:55:26,538 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1234 transitions. [2020-12-01 17:55:26,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 17:55:26,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 701 states and 1233 transitions. [2020-12-01 17:55:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1233 transitions. [2020-12-01 17:55:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 17:55:26,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 17:55:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 714 states and 1252 transitions. [2020-12-01 17:55:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1252 transitions. [2020-12-01 17:55:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:55:30,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:30,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 715 states and 1253 transitions. [2020-12-01 17:55:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1253 transitions. [2020-12-01 17:55:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:55:30,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:30,350 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:55:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 721 states and 1261 transitions. [2020-12-01 17:55:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1261 transitions. [2020-12-01 17:55:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:55:31,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-01 17:55:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 740 states and 1284 transitions. [2020-12-01 17:55:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1284 transitions. [2020-12-01 17:55:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:55:34,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 17:55:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 742 states and 1286 transitions. [2020-12-01 17:55:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1286 transitions. [2020-12-01 17:55:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:55:35,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 743 states and 1291 transitions. [2020-12-01 17:55:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1291 transitions. [2020-12-01 17:55:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:55:36,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 744 states and 1292 transitions. [2020-12-01 17:55:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1292 transitions. [2020-12-01 17:55:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:55:37,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:37,435 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 745 states and 1293 transitions. [2020-12-01 17:55:37,466 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1293 transitions. [2020-12-01 17:55:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:55:37,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-01 17:55:37,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 746 states and 1294 transitions. [2020-12-01 17:55:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1294 transitions. [2020-12-01 17:55:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:55:37,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:38,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 746 states and 1293 transitions. [2020-12-01 17:55:38,730 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1293 transitions. [2020-12-01 17:55:38,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:55:38,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 747 states and 1294 transitions. [2020-12-01 17:55:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1294 transitions. [2020-12-01 17:55:38,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:55:38,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:55:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 749 states and 1296 transitions. [2020-12-01 17:55:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1296 transitions. [2020-12-01 17:55:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:55:39,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:55:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 753 states and 1305 transitions. [2020-12-01 17:55:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1305 transitions. [2020-12-01 17:55:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:55:41,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 17:55:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 763 states and 1324 transitions. [2020-12-01 17:55:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1324 transitions. [2020-12-01 17:55:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:55:43,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 17:55:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 762 states and 1318 transitions. [2020-12-01 17:55:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1318 transitions. [2020-12-01 17:55:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:55:44,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 763 states and 1319 transitions. [2020-12-01 17:55:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1319 transitions. [2020-12-01 17:55:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:55:45,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:55:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 772 states and 1328 transitions. [2020-12-01 17:55:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1328 transitions. [2020-12-01 17:55:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:55:46,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:55:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 776 states and 1335 transitions. [2020-12-01 17:55:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1335 transitions. [2020-12-01 17:55:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:55:47,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 777 states and 1336 transitions. [2020-12-01 17:55:47,980 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1336 transitions. [2020-12-01 17:55:47,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:55:47,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:55:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 782 states and 1341 transitions. [2020-12-01 17:55:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1341 transitions. [2020-12-01 17:55:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:55:49,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 17:55:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:51,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 785 states and 1345 transitions. [2020-12-01 17:55:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1345 transitions. [2020-12-01 17:55:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:55:51,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 786 states and 1346 transitions. [2020-12-01 17:55:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1346 transitions. [2020-12-01 17:55:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:55:51,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:55:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 787 states and 1347 transitions. [2020-12-01 17:55:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1347 transitions. [2020-12-01 17:55:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:55:51,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 787 states and 1346 transitions. [2020-12-01 17:55:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1346 transitions. [2020-12-01 17:55:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:55:53,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 17:55:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 800 states and 1364 transitions. [2020-12-01 17:55:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1364 transitions. [2020-12-01 17:55:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:55:55,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:55:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 802 states and 1366 transitions. [2020-12-01 17:55:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1366 transitions. [2020-12-01 17:55:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:55:56,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:55:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 811 states and 1376 transitions. [2020-12-01 17:55:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1376 transitions. [2020-12-01 17:55:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:55:57,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:55:57,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 812 states and 1377 transitions. [2020-12-01 17:55:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1377 transitions. [2020-12-01 17:55:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:55:57,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:56:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 838 states and 1448 transitions. [2020-12-01 17:56:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1448 transitions. [2020-12-01 17:56:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:56:05,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:56:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 838 states and 1447 transitions. [2020-12-01 17:56:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1447 transitions. [2020-12-01 17:56:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:56:05,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:56:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 841 states and 1451 transitions. [2020-12-01 17:56:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1451 transitions. [2020-12-01 17:56:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:56:05,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 17:56:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 843 states and 1453 transitions. [2020-12-01 17:56:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1453 transitions. [2020-12-01 17:56:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 17:56:06,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:06,998 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:56:07,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 847 states and 1461 transitions. [2020-12-01 17:56:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1461 transitions. [2020-12-01 17:56:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:07,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:56:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 849 states and 1463 transitions. [2020-12-01 17:56:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1463 transitions. [2020-12-01 17:56:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:08,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:56:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 850 states and 1464 transitions. [2020-12-01 17:56:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1464 transitions. [2020-12-01 17:56:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:08,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:56:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 853 states and 1467 transitions. [2020-12-01 17:56:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1467 transitions. [2020-12-01 17:56:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:09,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:09,429 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:56:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 856 states and 1475 transitions. [2020-12-01 17:56:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1475 transitions. [2020-12-01 17:56:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:09,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:56:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 857 states and 1478 transitions. [2020-12-01 17:56:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1478 transitions. [2020-12-01 17:56:09,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:09,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:56:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 858 states and 1479 transitions. [2020-12-01 17:56:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1479 transitions. [2020-12-01 17:56:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:09,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:56:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 859 states and 1484 transitions. [2020-12-01 17:56:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1484 transitions. [2020-12-01 17:56:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:10,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:56:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 875 states and 1503 transitions. [2020-12-01 17:56:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1503 transitions. [2020-12-01 17:56:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:56:14,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:56:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 884 states and 1512 transitions. [2020-12-01 17:56:15,930 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1512 transitions. [2020-12-01 17:56:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 17:56:15,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:56:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 890 states and 1522 transitions. [2020-12-01 17:56:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1522 transitions. [2020-12-01 17:56:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 17:56:18,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 17:56:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 892 states and 1528 transitions. [2020-12-01 17:56:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1528 transitions. [2020-12-01 17:56:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 17:56:20,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:56:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 893 states and 1529 transitions. [2020-12-01 17:56:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1529 transitions. [2020-12-01 17:56:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 17:56:20,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:56:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 895 states and 1531 transitions. [2020-12-01 17:56:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1531 transitions. [2020-12-01 17:56:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 17:56:20,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:56:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 903 states and 1557 transitions. [2020-12-01 17:56:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1557 transitions. [2020-12-01 17:56:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 17:56:25,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-01 17:56:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 911 states and 1577 transitions. [2020-12-01 17:56:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1577 transitions. [2020-12-01 17:56:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:26,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 17:56:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 914 states and 1580 transitions. [2020-12-01 17:56:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1580 transitions. [2020-12-01 17:56:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:27,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 17:56:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 920 states and 1591 transitions. [2020-12-01 17:56:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1591 transitions. [2020-12-01 17:56:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:27,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:56:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 921 states and 1592 transitions. [2020-12-01 17:56:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1592 transitions. [2020-12-01 17:56:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:27,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:56:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 925 states and 1600 transitions. [2020-12-01 17:56:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1600 transitions. [2020-12-01 17:56:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:28,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-01 17:56:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 926 states and 1602 transitions. [2020-12-01 17:56:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1602 transitions. [2020-12-01 17:56:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:29,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:56:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 924 states and 1599 transitions. [2020-12-01 17:56:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1599 transitions. [2020-12-01 17:56:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:29,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:56:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 925 states and 1604 transitions. [2020-12-01 17:56:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1604 transitions. [2020-12-01 17:56:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:56:31,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:56:33,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 939 states and 1622 transitions. [2020-12-01 17:56:33,926 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1622 transitions. [2020-12-01 17:56:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 17:56:33,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:56:33,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:56:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:56:34,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:56:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:56:34,233 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:56:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:56:34,297 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:56:39,100 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 182 iterations. [2020-12-01 17:56:39,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:56:39 ImpRootNode [2020-12-01 17:56:39,232 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:56:39,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:56:39,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:56:39,233 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:56:39,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:18" (3/4) ... [2020-12-01 17:56:39,236 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:56:39,431 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_48adb22c-5517-479a-b24a-7aebf7800164/bin/ukojak/witness.graphml [2020-12-01 17:56:39,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:56:39,433 INFO L168 Benchmark]: Toolchain (without parser) took 143230.40 ms. Allocated memory was 79.7 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 48.0 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 287.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:39,434 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 50.1 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:56:39,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.40 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 47.9 MB in the beginning and 72.3 MB in the end (delta: -24.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:39,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.81 ms. Allocated memory is still 98.6 MB. Free memory was 72.3 MB in the beginning and 69.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:39,435 INFO L168 Benchmark]: Boogie Preprocessor took 64.48 ms. Allocated memory is still 98.6 MB. Free memory was 69.3 MB in the beginning and 67.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:39,436 INFO L168 Benchmark]: RCFGBuilder took 1550.74 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 67.2 MB in the beginning and 72.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:39,436 INFO L168 Benchmark]: CodeCheck took 140801.12 ms. Allocated memory was 121.6 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 72.1 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 254.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:39,437 INFO L168 Benchmark]: Witness Printer took 199.45 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:39,439 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: UNSAFE, OverallTime: 140.6s, OverallIterations: 182, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 572529220 SDtfs, -1089307352 SDslu, -1773713584 SDs, 0 SdLazy, 1581520684 SolverSat, -363739304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 552.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101977 GetRequests, 100128 SyntacticMatches, 895 SemanticMatches, 954 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567152 ImplicationChecksByTransitivity, 117.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 11942 NumberOfCodeBlocks, 11942 NumberOfCodeBlocksAsserted, 182 NumberOfCheckSat, 11674 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 181 InterpolantComputations, 168 PerfectInterpolantSequences, 8206/8827 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L580] int s ; [L584] s = 12292 [L14] int s__info_callback = __VERIFIER_nondet_int() ; [L15] int s__in_handshake = __VERIFIER_nondet_int() ; [L16] int s__state ; [L17] int s__new_session ; [L18] int s__server ; [L19] int s__version = __VERIFIER_nondet_int() ; [L20] int s__type ; [L21] int s__init_num ; [L22] int s__bbio = __VERIFIER_nondet_int() ; [L23] int s__wbio = __VERIFIER_nondet_int() ; [L24] int s__hit = __VERIFIER_nondet_int() ; [L25] int s__rwstate ; [L26] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L27] int s__debug = __VERIFIER_nondet_int() ; [L28] int s__shutdown ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L34] int s__s3__change_cipher_spec ; [L35] int s__s3__flags = __VERIFIER_nondet_int() ; [L36] int s__s3__delay_buf_pop_ret ; [L37] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L41] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L42] int s__s3__tmp__next_state___0 ; [L43] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L44] int s__session__cipher ; [L45] int s__session__compress_meth ; [L46] int buf ; [L47] unsigned long tmp ; [L48] unsigned long l ; [L49] int num1 = __VERIFIER_nondet_int() ; [L50] int cb ; [L51] int ret ; [L52] int new_state ; [L53] int state ; [L54] int skip ; [L55] int tmp___0 ; [L56] int tmp___1 = __VERIFIER_nondet_int() ; [L57] int tmp___2 = __VERIFIER_nondet_int() ; [L58] int tmp___3 = __VERIFIER_nondet_int() ; [L59] int tmp___4 = __VERIFIER_nondet_int() ; [L60] int tmp___5 = __VERIFIER_nondet_int() ; [L61] int tmp___6 = __VERIFIER_nondet_int() ; [L62] int tmp___7 = __VERIFIER_nondet_int() ; [L63] int tmp___8 = __VERIFIER_nondet_int() ; [L64] int tmp___9 = __VERIFIER_nondet_int() ; [L65] int blastFlag ; [L66] int __cil_tmp55 ; [L67] void *__cil_tmp56 ; [L68] unsigned long __cil_tmp57 ; [L69] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L70] void *__cil_tmp59 ; [L71] unsigned long __cil_tmp60 ; [L72] unsigned long __cil_tmp61 ; [L73] unsigned long __cil_tmp62 ; [L74] unsigned long __cil_tmp63 ; [L75] unsigned long __cil_tmp64 ; [L76] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L77] long __cil_tmp66 ; [L78] long __cil_tmp67 ; [L79] long __cil_tmp68 ; [L80] long __cil_tmp69 ; [L81] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L82] long __cil_tmp71 ; [L83] long __cil_tmp72 ; [L84] long __cil_tmp73 ; [L85] long __cil_tmp74 ; [L89] s__state = initial_state [L90] blastFlag = 0 [L91] tmp = __VERIFIER_nondet_int() [L92] cb = 0 [L93] ret = -1 [L94] skip = 0 [L95] tmp___0 = 0 [L96] COND FALSE !(s__info_callback != 0) [L99] COND TRUE s__ctx__info_callback != 0 [L100] cb = s__ctx__info_callback [L103] s__in_handshake ++ [L104] COND TRUE tmp___1 + 12288 [L105] COND TRUE tmp___2 + 16384 [L110] COND TRUE 1 [L112] state = s__state [L113] COND TRUE s__state == 12292 [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate ++ [L222] s__server = 0 [L223] COND TRUE cb != 0 [L227] __cil_tmp55 = s__version + 65280 [L228] COND FALSE !(__cil_tmp55 != 768) [L233] s__type = 4096 [L235] __cil_tmp56 = (void *)0 [L236] __cil_tmp57 = (unsigned long )__cil_tmp56 [L237] __cil_tmp58 = (unsigned long )s__init_buf___0 [L238] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L256] COND FALSE !(! tmp___4) [L260] COND FALSE !(! tmp___5) [L264] s__state = 4368 [L265] s__ctx__stats__sess_connect ++ [L266] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND TRUE s__state == 4368 [L270] s__shutdown = 0 [L271] ret = __VERIFIER_nondet_int() [L272] COND TRUE blastFlag == 0 [L273] blastFlag = 1 [L275] COND FALSE !(ret <= 0) [L278] s__state = 4384 [L279] s__init_num = 0 [L281] __cil_tmp62 = (unsigned long )s__wbio [L282] __cil_tmp63 = (unsigned long )s__bbio [L283] COND TRUE __cil_tmp63 != __cil_tmp62 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND TRUE s__state == 4384 [L290] ret = __VERIFIER_nondet_int() [L291] COND TRUE blastFlag == 1 [L292] blastFlag = 2 [L298] COND FALSE !(ret <= 0) [L301] COND FALSE !(\read(s__hit)) [L304] s__state = 4400 [L306] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND TRUE s__state == 4400 [L311] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L312] COND FALSE !(__cil_tmp64 + 256UL) [L315] ret = __VERIFIER_nondet_int() [L316] COND TRUE blastFlag == 2 [L317] blastFlag = 3 [L319] COND FALSE !(ret <= 0) [L324] s__state = 4416 [L325] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND FALSE !(s__state == 4400) [L143] COND FALSE !(s__state == 4401) [L146] COND TRUE s__state == 4416 [L329] ret = __VERIFIER_nondet_int() [L330] COND TRUE blastFlag == 3 [L331] blastFlag = 4 [L333] COND FALSE !(ret <= 0) [L336] s__state = 4432 [L337] s__init_num = 0 [L338] COND FALSE !(! tmp___6) [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND FALSE !(s__state == 4400) [L143] COND FALSE !(s__state == 4401) [L146] COND FALSE !(s__state == 4416) [L149] COND FALSE !(s__state == 4417) [L152] COND TRUE s__state == 4432 [L345] ret = __VERIFIER_nondet_int() [L346] COND TRUE blastFlag == 4 [L3] __assert_fail("0", "s3_clnt_3.cil-2.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 50.1 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 514.40 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 47.9 MB in the beginning and 72.3 MB in the end (delta: -24.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.81 ms. Allocated memory is still 98.6 MB. Free memory was 72.3 MB in the beginning and 69.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.48 ms. Allocated memory is still 98.6 MB. Free memory was 69.3 MB in the beginning and 67.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1550.74 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 67.2 MB in the beginning and 72.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * CodeCheck took 140801.12 ms. Allocated memory was 121.6 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 72.1 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 254.0 MB. Max. memory is 16.1 GB. * Witness Printer took 199.45 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...