./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ --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 d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:32:16,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:32:16,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:32:17,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:32:17,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:32:17,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:32:17,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:32:17,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:32:17,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:32:17,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:32:17,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:32:17,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:32:17,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:32:17,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:32:17,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:32:17,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:32:17,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:32:17,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:32:17,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:32:17,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:32:17,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:32:17,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:32:17,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:32:17,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:32:17,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:32:17,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:32:17,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:32:17,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:32:17,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:32:17,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:32:17,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:32:17,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:32:17,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:32:17,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:32:17,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:32:17,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:32:17,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:32:17,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:32:17,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:32:17,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:32:17,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:32:17,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:32:17,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:32:17,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:32:17,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:32:17,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:32:17,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:32:17,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:32:17,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:32:17,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:32:17,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:32:17,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:32:17,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:32:17,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:32:17,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:32:17,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:32:17,180 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:32:17,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:32:17,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:32:17,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:32:17,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:32:17,181 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:32:17,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:32:17,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:17,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:32:17,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:32:17,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:32:17,182 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:32:17,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:32:17,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:32:17,183 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_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 [2021-11-23 01:32:17,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:32:17,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:32:17,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:32:17,492 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:32:17,494 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:32:17,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2021-11-23 01:32:17,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/data/c6d7101be/6e72728dbd7f4f229e6686cbc2985563/FLAG499d48e71 [2021-11-23 01:32:18,068 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:32:18,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2021-11-23 01:32:18,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/data/c6d7101be/6e72728dbd7f4f229e6686cbc2985563/FLAG499d48e71 [2021-11-23 01:32:18,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/data/c6d7101be/6e72728dbd7f4f229e6686cbc2985563 [2021-11-23 01:32:18,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:32:18,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:32:18,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:18,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:32:18,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:32:18,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad2fc7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18, skipping insertion in model container [2021-11-23 01:32:18,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:32:18,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:32:18,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c[588,601] [2021-11-23 01:32:18,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:18,685 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:32:18,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c[588,601] [2021-11-23 01:32:18,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:18,722 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:32:18,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18 WrapperNode [2021-11-23 01:32:18,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:18,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:18,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:32:18,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:32:18,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,760 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-11-23 01:32:18,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:18,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:32:18,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:32:18,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:32:18,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:32:18,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:32:18,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:32:18,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:32:18,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:18" (1/1) ... [2021-11-23 01:32:18,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:18,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:32:18,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:32:18,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b2feca-a9c6-4f87-abbe-7b4268c5e269/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:32:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:32:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:32:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:32:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:32:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:32:18,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:32:18,923 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:32:18,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:32:19,083 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:32:19,127 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:32:19,127 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:32:19,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:19 BoogieIcfgContainer [2021-11-23 01:32:19,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:32:19,130 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:32:19,131 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:32:19,153 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:32:19,153 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:19" (1/1) ... [2021-11-23 01:32:19,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:32:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-11-23 01:32:19,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-11-23 01:32:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:32:19,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:19,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2021-11-23 01:32:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2021-11-23 01:32:19,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:32:19,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:19,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:19,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:32:19,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2021-11-23 01:32:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-11-23 01:32:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:32:20,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:20,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:20,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:32:20,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2021-11-23 01:32:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-23 01:32:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:32:20,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:20,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:20,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:32:20,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:32:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2021-11-23 01:32:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2021-11-23 01:32:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:32:20,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:20,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:20,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:32:20,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:32:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2021-11-23 01:32:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-11-23 01:32:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:32:21,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:21,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:21,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:32:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2021-11-23 01:32:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 01:32:21,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:32:21,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:21,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:32:21,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:32:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2021-11-23 01:32:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 01:32:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:32:22,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:22,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:22,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:22,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2021-11-23 01:32:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-11-23 01:32:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:32:23,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:23,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:23,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2021-11-23 01:32:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2021-11-23 01:32:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:32:24,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:24,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:24,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:32:24,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:32:24,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2021-11-23 01:32:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-23 01:32:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:32:24,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:24,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:24,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:24,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:32:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 101 transitions. [2021-11-23 01:32:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 01:32:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:32:25,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:25,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:25,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:25,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 01:32:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 100 transitions. [2021-11-23 01:32:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2021-11-23 01:32:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:32:26,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:26,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:26,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:32:26,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:32:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 57 states and 106 transitions. [2021-11-23 01:32:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2021-11-23 01:32:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:32:27,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:32:27,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:32:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 60 states and 112 transitions. [2021-11-23 01:32:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-23 01:32:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:32:28,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:28,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:28,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:28,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:32:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 115 transitions. [2021-11-23 01:32:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2021-11-23 01:32:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:32:30,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:30,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:30,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:32:30,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 52 proven. 47 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-23 01:32:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 122 transitions. [2021-11-23 01:32:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-23 01:32:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:32:31,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:31,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:32:31,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:32,146 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:32:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 58 proven. 11 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:32:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 67 states and 126 transitions. [2021-11-23 01:32:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2021-11-23 01:32:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:32:32,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:32,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:32,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:32:32,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:32:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 68 states and 128 transitions. [2021-11-23 01:32:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 128 transitions. [2021-11-23 01:32:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:32:33,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:33,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:34,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:34,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-23 01:32:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 69 states and 129 transitions. [2021-11-23 01:32:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 129 transitions. [2021-11-23 01:32:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:32:34,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:34,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:34,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:32:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 70 states and 132 transitions. [2021-11-23 01:32:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2021-11-23 01:32:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:32:35,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:35,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:35,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:35,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-23 01:32:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 135 transitions. [2021-11-23 01:32:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 135 transitions. [2021-11-23 01:32:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:32:36,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:36,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-23 01:32:37,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 72 states and 134 transitions. [2021-11-23 01:32:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2021-11-23 01:32:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:32:37,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:32:37,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 140 transitions. [2021-11-23 01:32:39,435 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2021-11-23 01:32:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:32:39,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:39,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:32:39,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 78 states and 146 transitions. [2021-11-23 01:32:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 146 transitions. [2021-11-23 01:32:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:32:40,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:40,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:40,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:32:40,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:32:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 79 states and 149 transitions. [2021-11-23 01:32:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2021-11-23 01:32:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:42,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:42,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:42,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:32:42,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:32:45,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 83 states and 156 transitions. [2021-11-23 01:32:45,070 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 156 transitions. [2021-11-23 01:32:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:32:45,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:45,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:45,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:45,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:32:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 85 states and 160 transitions. [2021-11-23 01:32:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2021-11-23 01:32:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:32:46,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:46,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:47,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:47,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:32:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 86 states and 162 transitions. [2021-11-23 01:32:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 162 transitions. [2021-11-23 01:32:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:32:48,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:32:48,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:32:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 87 states and 165 transitions. [2021-11-23 01:32:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2021-11-23 01:32:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:32:49,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:49,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:49,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:49,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-11-23 01:32:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 87 states and 164 transitions. [2021-11-23 01:32:49,988 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 164 transitions. [2021-11-23 01:32:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:32:49,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:49,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:50,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:32:50,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:32:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 90 states and 170 transitions. [2021-11-23 01:32:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 170 transitions. [2021-11-23 01:32:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 01:32:53,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:53,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:32:53,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:32:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 93 states and 176 transitions. [2021-11-23 01:32:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 176 transitions. [2021-11-23 01:32:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:32:55,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:55,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:55,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:32:55,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:56,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:32:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 94 states and 179 transitions. [2021-11-23 01:32:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 179 transitions. [2021-11-23 01:32:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 01:32:58,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:58,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:58,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:32:58,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 44 proven. 58 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:33:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 98 states and 186 transitions. [2021-11-23 01:33:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 186 transitions. [2021-11-23 01:33:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:33:01,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:01,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:02,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:33:02,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:33:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 100 states and 190 transitions. [2021-11-23 01:33:05,151 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 190 transitions. [2021-11-23 01:33:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:33:05,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:05,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:05,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:33:05,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:33:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 101 states and 193 transitions. [2021-11-23 01:33:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 193 transitions. [2021-11-23 01:33:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 01:33:07,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:33:07,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 48 proven. 66 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:33:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 103 states and 198 transitions. [2021-11-23 01:33:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 198 transitions. [2021-11-23 01:33:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 01:33:09,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:09,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:09,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2021-11-23 01:33:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 103 states and 197 transitions. [2021-11-23 01:33:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 197 transitions. [2021-11-23 01:33:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 01:33:09,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:10,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:33:10,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 52 proven. 70 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:33:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 106 states and 203 transitions. [2021-11-23 01:33:14,313 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 203 transitions. [2021-11-23 01:33:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 01:33:14,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:14,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:33:14,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 52 proven. 85 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:33:16,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:16,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 109 states and 208 transitions. [2021-11-23 01:33:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 208 transitions. [2021-11-23 01:33:16,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:33:16,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:16,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:16,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:33:16,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 54 proven. 70 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:33:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 110 states and 210 transitions. [2021-11-23 01:33:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 210 transitions. [2021-11-23 01:33:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:33:19,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:19,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:19,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:19,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 54 proven. 90 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:33:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 111 states and 213 transitions. [2021-11-23 01:33:23,973 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 213 transitions. [2021-11-23 01:33:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:33:23,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:23,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:24,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:33:24,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 56 proven. 70 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:33:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 112 states and 215 transitions. [2021-11-23 01:33:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 215 transitions. [2021-11-23 01:33:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:33:27,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:33:27,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 56 proven. 95 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:33:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 113 states and 216 transitions. [2021-11-23 01:33:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 216 transitions. [2021-11-23 01:33:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:33:30,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:30,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:30,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:33:30,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 58 proven. 100 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:33:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 114 states and 219 transitions. [2021-11-23 01:33:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 219 transitions. [2021-11-23 01:33:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 01:33:31,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:31,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:31,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:31,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1905 backedges. 159 proven. 13 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-11-23 01:33:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 114 states and 218 transitions. [2021-11-23 01:33:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 218 transitions. [2021-11-23 01:33:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:33:32,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:32,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:32,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:33:32,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 62 proven. 105 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:33:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 117 states and 224 transitions. [2021-11-23 01:33:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 224 transitions. [2021-11-23 01:33:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:33:37,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:33:37,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 62 proven. 123 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:33:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:41,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 120 states and 229 transitions. [2021-11-23 01:33:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 229 transitions. [2021-11-23 01:33:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 01:33:41,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:41,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:41,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:33:41,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2153 backedges. 64 proven. 105 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-23 01:33:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 121 states and 232 transitions. [2021-11-23 01:33:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 232 transitions. [2021-11-23 01:33:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 01:33:46,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:46,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:46,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:33:46,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 64 proven. 129 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-23 01:33:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 122 states and 235 transitions. [2021-11-23 01:33:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 235 transitions. [2021-11-23 01:33:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 01:33:53,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:53,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:53,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:33:53,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 66 proven. 105 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-11-23 01:33:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 124 states and 239 transitions. [2021-11-23 01:33:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 239 transitions. [2021-11-23 01:33:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 01:33:59,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:59,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:59,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:59,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 66 proven. 135 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-11-23 01:34:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 125 states and 240 transitions. [2021-11-23 01:34:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 240 transitions. [2021-11-23 01:34:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 01:34:03,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:03,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:03,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:34:03,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 68 proven. 141 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2021-11-23 01:34:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 126 states and 243 transitions. [2021-11-23 01:34:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 243 transitions. [2021-11-23 01:34:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 01:34:05,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:05,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:05,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:05,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 189 proven. 13 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2021-11-23 01:34:07,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 126 states and 242 transitions. [2021-11-23 01:34:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 242 transitions. [2021-11-23 01:34:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:34:07,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:07,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:07,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:34:07,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 72 proven. 147 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-11-23 01:34:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 129 states and 248 transitions. [2021-11-23 01:34:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 248 transitions. [2021-11-23 01:34:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 01:34:14,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:14,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:14,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:34:14,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2760 backedges. 72 proven. 168 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-11-23 01:34:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 132 states and 253 transitions. [2021-11-23 01:34:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2021-11-23 01:34:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-23 01:34:20,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:20,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:20,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:34:20,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 74 proven. 147 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:34:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 133 states and 255 transitions. [2021-11-23 01:34:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 255 transitions. [2021-11-23 01:34:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:34:26,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:26,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:26,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:34:26,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:34:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 137 states and 275 transitions. [2021-11-23 01:34:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 275 transitions. [2021-11-23 01:34:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:34:36,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:36,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:36,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:34:36,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:34:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 139 states and 280 transitions. [2021-11-23 01:34:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 280 transitions. [2021-11-23 01:34:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:34:40,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:40,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:40,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:34:40,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:34:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 141 states and 281 transitions. [2021-11-23 01:34:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 281 transitions. [2021-11-23 01:34:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:34:46,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:46,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:46,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:34:46,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:34:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 143 states and 286 transitions. [2021-11-23 01:34:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 286 transitions. [2021-11-23 01:34:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:34:50,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:50,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:50,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:34:50,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:34:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:55,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 145 states and 291 transitions. [2021-11-23 01:34:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 291 transitions. [2021-11-23 01:34:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:34:55,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:55,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:56,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:34:56,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 147 states and 296 transitions. [2021-11-23 01:35:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 296 transitions. [2021-11-23 01:35:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:00,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:01,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:01,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 149 states and 301 transitions. [2021-11-23 01:35:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 301 transitions. [2021-11-23 01:35:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:05,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:05,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:05,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:05,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 151 states and 306 transitions. [2021-11-23 01:35:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 306 transitions. [2021-11-23 01:35:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:09,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:09,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:09,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:09,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 153 states and 311 transitions. [2021-11-23 01:35:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 311 transitions. [2021-11-23 01:35:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:14,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:14,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:14,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:14,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 155 states and 316 transitions. [2021-11-23 01:35:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 316 transitions. [2021-11-23 01:35:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:18,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:18,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:18,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:18,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 157 states and 321 transitions. [2021-11-23 01:35:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 321 transitions. [2021-11-23 01:35:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:23,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:23,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:23,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:23,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 159 states and 326 transitions. [2021-11-23 01:35:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 326 transitions. [2021-11-23 01:35:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:27,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:27,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:27,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:27,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 161 states and 331 transitions. [2021-11-23 01:35:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 331 transitions. [2021-11-23 01:35:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:31,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:31,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:31,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:31,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:36,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 163 states and 336 transitions. [2021-11-23 01:35:36,415 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 336 transitions. [2021-11-23 01:35:36,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:36,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:36,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:36,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:36,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 165 states and 341 transitions. [2021-11-23 01:35:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 341 transitions. [2021-11-23 01:35:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:41,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:41,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:41,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:41,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 167 states and 346 transitions. [2021-11-23 01:35:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 346 transitions. [2021-11-23 01:35:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:45,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:45,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:45,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:45,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 169 states and 351 transitions. [2021-11-23 01:35:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 351 transitions. [2021-11-23 01:35:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:51,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:51,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:35:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 171 states and 356 transitions. [2021-11-23 01:35:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 356 transitions. [2021-11-23 01:35:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:35:56,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:35:56,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:02,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 173 states and 361 transitions. [2021-11-23 01:36:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 361 transitions. [2021-11-23 01:36:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:02,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:02,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:02,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:02,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 175 states and 366 transitions. [2021-11-23 01:36:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 366 transitions. [2021-11-23 01:36:07,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:07,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:07,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 177 states and 371 transitions. [2021-11-23 01:36:12,835 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 371 transitions. [2021-11-23 01:36:12,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:12,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:12,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:12,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:12,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 179 states and 376 transitions. [2021-11-23 01:36:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 376 transitions. [2021-11-23 01:36:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:18,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:18,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 181 states and 381 transitions. [2021-11-23 01:36:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 381 transitions. [2021-11-23 01:36:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:24,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:24,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:24,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:24,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 183 states and 386 transitions. [2021-11-23 01:36:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 386 transitions. [2021-11-23 01:36:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:29,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:29,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:29,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:29,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 185 states and 391 transitions. [2021-11-23 01:36:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 391 transitions. [2021-11-23 01:36:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:35,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:35,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:35,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:35,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 187 states and 396 transitions. [2021-11-23 01:36:41,250 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 396 transitions. [2021-11-23 01:36:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:41,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:41,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:41,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:41,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:47,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 189 states and 401 transitions. [2021-11-23 01:36:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 401 transitions. [2021-11-23 01:36:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:47,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:47,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:47,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:47,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 191 states and 406 transitions. [2021-11-23 01:36:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 406 transitions. [2021-11-23 01:36:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:53,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:53,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:53,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:36:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 193 states and 411 transitions. [2021-11-23 01:36:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 411 transitions. [2021-11-23 01:36:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:36:59,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:59,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:59,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:36:59,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 195 states and 416 transitions. [2021-11-23 01:37:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 416 transitions. [2021-11-23 01:37:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:05,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:05,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:05,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:05,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 197 states and 421 transitions. [2021-11-23 01:37:12,783 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 421 transitions. [2021-11-23 01:37:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:12,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:12,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:12,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:12,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 199 states and 426 transitions. [2021-11-23 01:37:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 426 transitions. [2021-11-23 01:37:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:19,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:19,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:19,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 201 states and 431 transitions. [2021-11-23 01:37:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 431 transitions. [2021-11-23 01:37:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:26,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:26,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:26,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:26,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 203 states and 436 transitions. [2021-11-23 01:37:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 436 transitions. [2021-11-23 01:37:31,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:31,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:31,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:31,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:31,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 205 states and 441 transitions. [2021-11-23 01:37:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 441 transitions. [2021-11-23 01:37:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:37,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:37,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:37,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:37,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 207 states and 446 transitions. [2021-11-23 01:37:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 446 transitions. [2021-11-23 01:37:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:43,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:43,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:43,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:43,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:49,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 209 states and 451 transitions. [2021-11-23 01:37:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 451 transitions. [2021-11-23 01:37:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:49,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:49,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:49,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:49,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:37:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 211 states and 456 transitions. [2021-11-23 01:37:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 456 transitions. [2021-11-23 01:37:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:37:55,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:55,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:56,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:37:56,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 213 states and 461 transitions. [2021-11-23 01:38:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 461 transitions. [2021-11-23 01:38:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:01,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:01,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:01,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:01,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 215 states and 466 transitions. [2021-11-23 01:38:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 466 transitions. [2021-11-23 01:38:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:08,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:08,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:08,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 217 states and 471 transitions. [2021-11-23 01:38:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 471 transitions. [2021-11-23 01:38:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:16,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:16,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:16,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:16,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 219 states and 476 transitions. [2021-11-23 01:38:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 476 transitions. [2021-11-23 01:38:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:23,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:23,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:24,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:24,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 221 states and 481 transitions. [2021-11-23 01:38:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 481 transitions. [2021-11-23 01:38:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:31,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:31,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:31,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:31,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 223 states and 486 transitions. [2021-11-23 01:38:39,796 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 486 transitions. [2021-11-23 01:38:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:39,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:39,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:39,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:39,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 225 states and 491 transitions. [2021-11-23 01:38:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 491 transitions. [2021-11-23 01:38:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:47,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:47,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:47,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:47,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:38:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 227 states and 496 transitions. [2021-11-23 01:38:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 496 transitions. [2021-11-23 01:38:56,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:38:56,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:56,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:56,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:38:56,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:39:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 229 states and 501 transitions. [2021-11-23 01:39:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 501 transitions. [2021-11-23 01:39:04,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:39:04,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:04,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:04,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:39:04,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:39:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 231 states and 506 transitions. [2021-11-23 01:39:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 506 transitions. [2021-11-23 01:39:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:39:11,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:11,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:11,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:39:11,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:39:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 233 states and 511 transitions. [2021-11-23 01:39:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 511 transitions. [2021-11-23 01:39:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:39:19,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:39:19,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:39:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 235 states and 516 transitions. [2021-11-23 01:39:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 516 transitions. [2021-11-23 01:39:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:39:27,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:27,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:27,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:39:27,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:39:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 237 states and 521 transitions. [2021-11-23 01:39:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 521 transitions. [2021-11-23 01:39:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:39:35,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:35,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:35,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:39:35,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:39:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 239 states and 526 transitions. [2021-11-23 01:39:43,723 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 526 transitions. [2021-11-23 01:39:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:39:43,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:43,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:43,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:39:43,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:39:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:52,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 241 states and 531 transitions. [2021-11-23 01:39:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 531 transitions. [2021-11-23 01:39:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:39:52,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:52,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:52,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:39:52,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:40:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 243 states and 536 transitions. [2021-11-23 01:40:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 536 transitions. [2021-11-23 01:40:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:40:00,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:00,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:00,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:40:00,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:40:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 245 states and 541 transitions. [2021-11-23 01:40:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 541 transitions. [2021-11-23 01:40:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:40:09,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:09,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:09,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:40:09,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:40:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 247 states and 546 transitions. [2021-11-23 01:40:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 546 transitions. [2021-11-23 01:40:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:40:17,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:17,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:17,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:40:17,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:40:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:26,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 249 states and 551 transitions. [2021-11-23 01:40:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 551 transitions. [2021-11-23 01:40:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:40:26,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:26,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:26,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:40:26,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:40:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 251 states and 556 transitions. [2021-11-23 01:40:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 556 transitions. [2021-11-23 01:40:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:40:35,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:35,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:35,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:40:35,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:40:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 253 states and 561 transitions. [2021-11-23 01:40:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 561 transitions. [2021-11-23 01:40:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:40:44,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:44,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:44,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:40:44,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:40:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 255 states and 566 transitions. [2021-11-23 01:40:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 566 transitions. [2021-11-23 01:40:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:40:53,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:53,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:53,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:40:53,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:41:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 257 states and 571 transitions. [2021-11-23 01:41:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 571 transitions. [2021-11-23 01:41:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:41:03,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:03,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:03,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:41:03,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:41:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 259 states and 576 transitions. [2021-11-23 01:41:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 576 transitions. [2021-11-23 01:41:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:41:13,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:13,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:13,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:41:13,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:41:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:23,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 261 states and 581 transitions. [2021-11-23 01:41:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 581 transitions. [2021-11-23 01:41:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:41:23,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:23,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:23,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:41:23,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:41:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 263 states and 586 transitions. [2021-11-23 01:41:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 586 transitions. [2021-11-23 01:41:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:41:32,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:32,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:32,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:41:32,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:41:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 265 states and 591 transitions. [2021-11-23 01:41:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 591 transitions. [2021-11-23 01:41:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:41:42,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:43,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:41:43,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:41:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 267 states and 596 transitions. [2021-11-23 01:41:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 596 transitions. [2021-11-23 01:41:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:41:52,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:52,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:52,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:41:52,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:42:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:03,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 269 states and 601 transitions. [2021-11-23 01:42:03,316 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 601 transitions. [2021-11-23 01:42:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:42:03,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:03,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:03,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:42:03,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:42:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 271 states and 606 transitions. [2021-11-23 01:42:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 606 transitions. [2021-11-23 01:42:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:42:14,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:14,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:14,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:42:14,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:42:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 273 states and 611 transitions. [2021-11-23 01:42:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 611 transitions. [2021-11-23 01:42:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:42:25,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:25,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:25,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:42:25,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:42:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 275 states and 616 transitions. [2021-11-23 01:42:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 616 transitions. [2021-11-23 01:42:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:42:35,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:35,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:35,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:42:35,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:42:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 277 states and 621 transitions. [2021-11-23 01:42:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 621 transitions. [2021-11-23 01:42:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:42:46,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:46,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:42:46,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:42:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 279 states and 626 transitions. [2021-11-23 01:42:57,773 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 626 transitions. [2021-11-23 01:42:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:42:57,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:57,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:57,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:42:57,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:43:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 281 states and 631 transitions. [2021-11-23 01:43:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 631 transitions. [2021-11-23 01:43:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:43:09,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:09,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:09,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:43:09,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:43:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:21,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 283 states and 636 transitions. [2021-11-23 01:43:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 636 transitions. [2021-11-23 01:43:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:43:21,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:21,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:21,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:43:21,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:43:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 285 states and 641 transitions. [2021-11-23 01:43:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 641 transitions. [2021-11-23 01:43:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:43:33,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:33,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:33,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:43:33,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:43:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 287 states and 646 transitions. [2021-11-23 01:43:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 646 transitions. [2021-11-23 01:43:44,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:43:44,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:43:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 289 states and 651 transitions. [2021-11-23 01:43:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 651 transitions. [2021-11-23 01:43:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:43:55,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:44:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 291 states and 656 transitions. [2021-11-23 01:44:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 656 transitions. [2021-11-23 01:44:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:44:06,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:06,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:44:06,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:44:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 293 states and 661 transitions. [2021-11-23 01:44:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 661 transitions. [2021-11-23 01:44:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:44:16,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:44:16,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:44:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 295 states and 666 transitions. [2021-11-23 01:44:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 666 transitions. [2021-11-23 01:44:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:44:27,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:44:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 297 states and 671 transitions. [2021-11-23 01:44:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 671 transitions. [2021-11-23 01:44:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:44:37,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:44:37,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:44:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 299 states and 676 transitions. [2021-11-23 01:44:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 676 transitions. [2021-11-23 01:44:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:44:48,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:44:48,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:45:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 301 states and 681 transitions. [2021-11-23 01:45:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 681 transitions. [2021-11-23 01:45:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:45:01,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:45:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 303 states and 686 transitions. [2021-11-23 01:45:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 686 transitions. [2021-11-23 01:45:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:45:13,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:13,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:45:13,325 INFO L286 TraceCheckSpWp]: Computing forward predicates...