./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL --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 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:41:51,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:41:51,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:41:51,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:41:51,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:41:51,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:41:51,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:41:51,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:41:51,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:41:51,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:41:51,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:41:51,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:41:51,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:41:51,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:41:51,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:41:51,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:41:51,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:41:51,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:41:51,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:41:51,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:41:51,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:41:51,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:41:51,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:41:51,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:41:51,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:41:51,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:41:51,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:41:51,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:41:51,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:41:51,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:41:51,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:41:51,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:41:51,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:41:51,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:41:51,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:41:51,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:41:51,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:41:51,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:41:51,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:41:52,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:41:52,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:41:52,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:41:52,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:41:52,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:41:52,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:41:52,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:41:52,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:41:52,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:41:52,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:41:52,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:41:52,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:41:52,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:41:52,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:41:52,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:41:52,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:41:52,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:41:52,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:41:52,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:41:52,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:41:52,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:41:52,057 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:41:52,058 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:41:52,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:41:52,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:41:52,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:41:52,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:41:52,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:41:52,059 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:41:52,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:41:52,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:41:52,060 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_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2021-11-25 06:41:52,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:41:52,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:41:52,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:41:52,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:41:52,351 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:41:52,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2021-11-25 06:41:52,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/data/43563b2e6/d368851f7bce44fcacf3ce6e3bccad38/FLAG651c4bcb7 [2021-11-25 06:41:53,009 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:41:53,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2021-11-25 06:41:53,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/data/43563b2e6/d368851f7bce44fcacf3ce6e3bccad38/FLAG651c4bcb7 [2021-11-25 06:41:53,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/data/43563b2e6/d368851f7bce44fcacf3ce6e3bccad38 [2021-11-25 06:41:53,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:41:53,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:41:53,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:41:53,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:41:53,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:41:53,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e18c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53, skipping insertion in model container [2021-11-25 06:41:53,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:41:53,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:41:53,573 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_761d50c0-983f-4079-b534-124e98265ce7/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2021-11-25 06:41:53,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:41:53,597 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:41:53,609 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_761d50c0-983f-4079-b534-124e98265ce7/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2021-11-25 06:41:53,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:41:53,632 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:41:53,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53 WrapperNode [2021-11-25 06:41:53,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:41:53,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:41:53,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:41:53,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:41:53,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,669 INFO L137 Inliner]: procedures = 15, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2021-11-25 06:41:53,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:41:53,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:41:53,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:41:53,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:41:53,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:41:53,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:41:53,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:41:53,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:41:53,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:53" (1/1) ... [2021-11-25 06:41:53,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:41:53,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:41:53,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:41:53,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761d50c0-983f-4079-b534-124e98265ce7/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:41:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:41:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 06:41:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 06:41:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:41:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:41:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:41:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:41:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:41:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:41:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:41:53,888 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:41:53,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:41:54,036 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:41:54,073 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:41:54,073 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 06:41:54,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:41:54 BoogieIcfgContainer [2021-11-25 06:41:54,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:41:54,077 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:41:54,077 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:41:54,087 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:41:54,088 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:41:54" (1/1) ... [2021-11-25 06:41:54,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:41:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-25 06:41:54,157 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-25 06:41:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:41:54,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:54,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:54,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:41:54,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 25 transitions. [2021-11-25 06:41:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-25 06:41:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:41:54,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:54,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:54,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:41:54,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 30 transitions. [2021-11-25 06:41:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-25 06:41:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:41:54,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:54,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:54,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:41:54,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 31 transitions. [2021-11-25 06:41:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2021-11-25 06:41:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:41:55,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:55,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:55,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:41:55,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 32 transitions. [2021-11-25 06:41:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-25 06:41:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:41:55,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:55,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:55,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:41:55,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 33 transitions. [2021-11-25 06:41:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-25 06:41:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:41:55,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:55,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:55,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:41:55,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:55,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 34 transitions. [2021-11-25 06:41:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-25 06:41:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:41:55,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:55,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:55,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 06:41:55,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 35 transitions. [2021-11-25 06:41:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-25 06:41:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:41:55,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:55,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:56,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 06:41:56,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 36 transitions. [2021-11-25 06:41:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-25 06:41:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:41:56,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:56,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:56,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:41:56,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:56,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 37 transitions. [2021-11-25 06:41:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-25 06:41:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:41:56,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:56,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:56,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 06:41:56,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 38 transitions. [2021-11-25 06:41:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-25 06:41:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:41:56,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:56,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:56,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 06:41:56,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2021-11-25 06:41:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-25 06:41:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:41:57,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:57,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:57,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:41:57,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 40 transitions. [2021-11-25 06:41:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-25 06:41:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:41:57,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:57,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:57,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-25 06:41:57,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:57,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 41 transitions. [2021-11-25 06:41:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2021-11-25 06:41:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:41:57,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:57,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:57,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 06:41:57,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 42 transitions. [2021-11-25 06:41:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-11-25 06:41:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:41:58,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:58,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:58,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-25 06:41:58,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 43 transitions. [2021-11-25 06:41:58,304 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2021-11-25 06:41:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:41:58,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:58,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:58,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 06:41:58,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 44 transitions. [2021-11-25 06:41:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2021-11-25 06:41:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:41:58,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:58,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:58,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 06:41:58,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 45 transitions. [2021-11-25 06:41:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2021-11-25 06:41:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:41:58,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:58,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:59,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 06:41:59,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 46 transitions. [2021-11-25 06:41:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-25 06:41:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:41:59,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:59,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:59,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:41:59,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:41:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 47 transitions. [2021-11-25 06:41:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2021-11-25 06:41:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:41:59,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:59,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:59,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-25 06:41:59,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:41:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 48 transitions. [2021-11-25 06:42:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2021-11-25 06:42:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:42:00,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:00,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:00,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 06:42:00,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 49 transitions. [2021-11-25 06:42:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-25 06:42:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 06:42:00,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:00,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:00,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-25 06:42:00,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 50 transitions. [2021-11-25 06:42:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2021-11-25 06:42:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:42:00,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:00,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:00,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 06:42:00,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 51 transitions. [2021-11-25 06:42:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2021-11-25 06:42:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:42:01,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:01,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:01,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 06:42:01,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 52 transitions. [2021-11-25 06:42:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2021-11-25 06:42:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 06:42:01,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:01,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:01,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 06:42:01,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 53 transitions. [2021-11-25 06:42:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2021-11-25 06:42:02,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:42:02,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:02,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:02,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:42:02,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 54 transitions. [2021-11-25 06:42:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2021-11-25 06:42:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 06:42:02,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:02,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:02,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 06:42:02,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 55 transitions. [2021-11-25 06:42:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2021-11-25 06:42:02,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 06:42:02,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:02,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:03,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 06:42:03,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 56 transitions. [2021-11-25 06:42:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2021-11-25 06:42:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:42:03,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:03,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:03,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 06:42:03,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:03,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 57 transitions. [2021-11-25 06:42:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2021-11-25 06:42:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:42:03,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:03,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:03,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 06:42:03,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 58 transitions. [2021-11-25 06:42:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-25 06:42:04,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:42:04,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:04,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:04,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:42:04,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 59 transitions. [2021-11-25 06:42:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2021-11-25 06:42:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 06:42:04,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:04,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:04,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 06:42:04,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 60 transitions. [2021-11-25 06:42:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2021-11-25 06:42:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:42:05,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:05,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:05,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:42:05,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 61 transitions. [2021-11-25 06:42:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-11-25 06:42:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:42:05,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:05,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:05,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:42:05,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 62 transitions. [2021-11-25 06:42:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2021-11-25 06:42:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:42:06,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:06,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:06,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:42:06,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 63 transitions. [2021-11-25 06:42:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2021-11-25 06:42:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:42:06,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:06,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:06,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 06:42:06,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:07,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 64 transitions. [2021-11-25 06:42:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2021-11-25 06:42:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:42:07,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:07,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:07,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:42:07,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:07,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 65 transitions. [2021-11-25 06:42:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2021-11-25 06:42:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:42:07,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:07,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:07,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:42:07,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 66 transitions. [2021-11-25 06:42:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2021-11-25 06:42:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:42:08,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:08,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:08,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:42:08,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 67 transitions. [2021-11-25 06:42:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2021-11-25 06:42:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:42:08,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:08,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:08,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 06:42:08,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 68 transitions. [2021-11-25 06:42:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2021-11-25 06:42:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:42:09,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:09,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:09,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:42:09,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 69 transitions. [2021-11-25 06:42:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2021-11-25 06:42:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 06:42:09,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:09,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:09,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-25 06:42:09,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 70 transitions. [2021-11-25 06:42:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2021-11-25 06:42:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 06:42:10,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:10,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:10,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 06:42:10,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 71 transitions. [2021-11-25 06:42:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2021-11-25 06:42:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:42:11,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:11,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:11,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-25 06:42:11,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 72 transitions. [2021-11-25 06:42:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2021-11-25 06:42:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:42:11,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:11,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:11,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 06:42:11,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 73 transitions. [2021-11-25 06:42:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2021-11-25 06:42:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 06:42:12,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:12,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:12,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-25 06:42:12,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:12,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 74 transitions. [2021-11-25 06:42:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2021-11-25 06:42:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:42:12,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:12,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:12,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-25 06:42:12,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:13,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 75 transitions. [2021-11-25 06:42:13,414 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2021-11-25 06:42:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 06:42:13,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:13,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:13,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-25 06:42:13,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 76 transitions. [2021-11-25 06:42:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2021-11-25 06:42:13,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:42:13,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:13,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:14,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 06:42:14,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:14,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 77 transitions. [2021-11-25 06:42:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2021-11-25 06:42:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:42:14,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:14,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:14,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-25 06:42:14,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 78 transitions. [2021-11-25 06:42:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2021-11-25 06:42:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:42:15,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:15,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:15,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 06:42:15,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 79 transitions. [2021-11-25 06:42:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2021-11-25 06:42:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 06:42:15,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:15,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:15,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-25 06:42:15,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 80 transitions. [2021-11-25 06:42:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2021-11-25 06:42:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 06:42:16,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:16,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:16,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-25 06:42:16,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 81 transitions. [2021-11-25 06:42:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2021-11-25 06:42:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:42:17,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:17,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:17,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-25 06:42:17,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 82 transitions. [2021-11-25 06:42:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2021-11-25 06:42:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:42:17,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:17,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:17,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-25 06:42:17,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:18,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:18,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 83 transitions. [2021-11-25 06:42:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2021-11-25 06:42:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:42:18,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:18,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:18,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-25 06:42:18,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 84 transitions. [2021-11-25 06:42:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2021-11-25 06:42:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:42:19,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:19,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:19,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-25 06:42:19,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:19,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 85 transitions. [2021-11-25 06:42:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-25 06:42:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:42:19,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:19,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:19,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-25 06:42:19,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 86 transitions. [2021-11-25 06:42:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-25 06:42:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:42:20,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:20,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:20,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-25 06:42:20,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:21,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 87 transitions. [2021-11-25 06:42:21,228 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-25 06:42:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 06:42:21,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:21,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:21,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-25 06:42:21,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 88 transitions. [2021-11-25 06:42:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-25 06:42:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:42:21,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:21,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:22,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-25 06:42:22,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:22,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 79 states and 89 transitions. [2021-11-25 06:42:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-25 06:42:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 06:42:22,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:22,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:22,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-25 06:42:22,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1833 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 80 states and 90 transitions. [2021-11-25 06:42:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-25 06:42:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:42:23,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:23,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:23,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-25 06:42:23,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:23,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 91 transitions. [2021-11-25 06:42:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-11-25 06:42:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 06:42:24,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:24,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-25 06:42:24,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 92 transitions. [2021-11-25 06:42:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-11-25 06:42:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 06:42:24,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:24,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:25,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-25 06:42:25,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2019 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 93 transitions. [2021-11-25 06:42:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2021-11-25 06:42:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 06:42:25,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:25,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:25,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-25 06:42:25,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 94 transitions. [2021-11-25 06:42:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2021-11-25 06:42:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 06:42:26,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:26,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:26,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-25 06:42:26,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 85 states and 95 transitions. [2021-11-25 06:42:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2021-11-25 06:42:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 06:42:27,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:27,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:27,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-25 06:42:27,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 86 states and 96 transitions. [2021-11-25 06:42:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2021-11-25 06:42:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 06:42:28,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:28,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:28,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-25 06:42:28,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2281 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 87 states and 97 transitions. [2021-11-25 06:42:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-25 06:42:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 06:42:28,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:28,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:29,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-25 06:42:29,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 98 transitions. [2021-11-25 06:42:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-25 06:42:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 06:42:29,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:29,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:29,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-25 06:42:29,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 99 transitions. [2021-11-25 06:42:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2021-11-25 06:42:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 06:42:30,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:30,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:30,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-25 06:42:30,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2488 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 100 transitions. [2021-11-25 06:42:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 100 transitions. [2021-11-25 06:42:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 06:42:31,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:31,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:31,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-25 06:42:31,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 91 states and 101 transitions. [2021-11-25 06:42:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2021-11-25 06:42:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 06:42:32,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:32,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:32,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-25 06:42:32,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:33,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 92 states and 102 transitions. [2021-11-25 06:42:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-25 06:42:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 06:42:33,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:33,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:33,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-25 06:42:33,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 103 transitions. [2021-11-25 06:42:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2021-11-25 06:42:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 06:42:33,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:33,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:34,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-25 06:42:34,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2778 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 104 transitions. [2021-11-25 06:42:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2021-11-25 06:42:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:42:34,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:34,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:34,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-25 06:42:34,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2853 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 105 transitions. [2021-11-25 06:42:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2021-11-25 06:42:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 06:42:35,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:35,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:35,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-25 06:42:35,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 1 proven. 2926 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 96 states and 106 transitions. [2021-11-25 06:42:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2021-11-25 06:42:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 06:42:36,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:36,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:36,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-25 06:42:36,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3006 backedges. 1 proven. 3003 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 97 states and 107 transitions. [2021-11-25 06:42:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2021-11-25 06:42:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 06:42:37,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:37,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:37,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-25 06:42:37,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3084 backedges. 1 proven. 3081 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 98 states and 108 transitions. [2021-11-25 06:42:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2021-11-25 06:42:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 06:42:38,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:38,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:38,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-25 06:42:38,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1 proven. 3160 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 109 transitions. [2021-11-25 06:42:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 109 transitions. [2021-11-25 06:42:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-25 06:42:39,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:39,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:39,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-25 06:42:39,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 1 proven. 3240 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 110 transitions. [2021-11-25 06:42:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2021-11-25 06:42:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 06:42:40,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:40,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:40,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-25 06:42:40,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3324 backedges. 1 proven. 3321 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 111 transitions. [2021-11-25 06:42:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2021-11-25 06:42:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 06:42:41,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:41,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:41,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-25 06:42:41,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3406 backedges. 1 proven. 3403 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 102 states and 112 transitions. [2021-11-25 06:42:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2021-11-25 06:42:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 06:42:41,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:41,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:42,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-25 06:42:42,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3489 backedges. 1 proven. 3486 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:42,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 103 states and 113 transitions. [2021-11-25 06:42:42,897 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 113 transitions. [2021-11-25 06:42:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 06:42:42,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:42,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:43,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-25 06:42:43,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3573 backedges. 1 proven. 3570 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 114 transitions. [2021-11-25 06:42:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2021-11-25 06:42:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-25 06:42:43,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:43,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:43,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-25 06:42:43,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3658 backedges. 1 proven. 3655 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 105 states and 115 transitions. [2021-11-25 06:42:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2021-11-25 06:42:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 06:42:44,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:44,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:44,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-25 06:42:44,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3744 backedges. 1 proven. 3741 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 116 transitions. [2021-11-25 06:42:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2021-11-25 06:42:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 06:42:45,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:45,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:45,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-25 06:42:45,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 1 proven. 3828 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:46,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 107 states and 117 transitions. [2021-11-25 06:42:46,553 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2021-11-25 06:42:46,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 06:42:46,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:46,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:46,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-25 06:42:46,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3919 backedges. 1 proven. 3916 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 118 transitions. [2021-11-25 06:42:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 118 transitions. [2021-11-25 06:42:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 06:42:47,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:47,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:47,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-25 06:42:47,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4008 backedges. 1 proven. 4005 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 109 states and 119 transitions. [2021-11-25 06:42:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2021-11-25 06:42:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 06:42:48,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:48,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:48,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-25 06:42:48,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 1 proven. 4095 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 110 states and 120 transitions. [2021-11-25 06:42:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2021-11-25 06:42:49,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-25 06:42:49,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:49,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:49,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-25 06:42:49,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4189 backedges. 1 proven. 4186 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 111 states and 121 transitions. [2021-11-25 06:42:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2021-11-25 06:42:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 06:42:50,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:50,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:50,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-25 06:42:50,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 1 proven. 4278 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:51,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 112 states and 122 transitions. [2021-11-25 06:42:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2021-11-25 06:42:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 06:42:51,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:51,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:51,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-25 06:42:51,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 1 proven. 4371 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:52,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 113 states and 123 transitions. [2021-11-25 06:42:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions. [2021-11-25 06:42:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 06:42:52,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:52,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:52,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-25 06:42:52,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4468 backedges. 1 proven. 4465 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 114 states and 124 transitions. [2021-11-25 06:42:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2021-11-25 06:42:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-25 06:42:53,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:53,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:53,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-25 06:42:53,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4563 backedges. 1 proven. 4560 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 115 states and 125 transitions. [2021-11-25 06:42:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2021-11-25 06:42:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 06:42:54,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:54,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:54,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-25 06:42:54,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4659 backedges. 1 proven. 4656 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 116 states and 126 transitions. [2021-11-25 06:42:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2021-11-25 06:42:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-25 06:42:55,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:55,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:55,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-25 06:42:55,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4756 backedges. 1 proven. 4753 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 117 states and 127 transitions. [2021-11-25 06:42:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2021-11-25 06:42:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 06:42:56,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:56,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:56,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-25 06:42:56,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:57,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4854 backedges. 1 proven. 4851 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 118 states and 128 transitions. [2021-11-25 06:42:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2021-11-25 06:42:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 06:42:57,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:57,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:57,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-25 06:42:57,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4953 backedges. 1 proven. 4950 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:58,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 119 states and 129 transitions. [2021-11-25 06:42:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions. [2021-11-25 06:42:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-25 06:42:58,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:58,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:58,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-25 06:42:58,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5053 backedges. 1 proven. 5050 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:42:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 120 states and 130 transitions. [2021-11-25 06:42:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions. [2021-11-25 06:42:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 06:42:59,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:59,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:00,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-25 06:43:00,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5154 backedges. 1 proven. 5151 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 121 states and 131 transitions. [2021-11-25 06:43:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2021-11-25 06:43:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-25 06:43:01,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:01,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:01,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-25 06:43:01,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 1 proven. 5253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 122 states and 132 transitions. [2021-11-25 06:43:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2021-11-25 06:43:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-25 06:43:02,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:02,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:02,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-25 06:43:02,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5359 backedges. 1 proven. 5356 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:03,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 123 states and 133 transitions. [2021-11-25 06:43:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2021-11-25 06:43:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-25 06:43:03,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:03,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:03,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-25 06:43:03,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 1 proven. 5460 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 124 states and 134 transitions. [2021-11-25 06:43:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2021-11-25 06:43:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 06:43:04,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:04,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:04,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-25 06:43:04,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5568 backedges. 1 proven. 5565 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 125 states and 135 transitions. [2021-11-25 06:43:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 135 transitions. [2021-11-25 06:43:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 06:43:05,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:05,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:05,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-25 06:43:05,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5674 backedges. 1 proven. 5671 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 126 states and 136 transitions. [2021-11-25 06:43:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2021-11-25 06:43:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-25 06:43:06,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:06,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:06,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-25 06:43:06,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 1 proven. 5778 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:07,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 127 states and 137 transitions. [2021-11-25 06:43:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2021-11-25 06:43:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 06:43:07,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:07,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:08,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-25 06:43:08,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5889 backedges. 1 proven. 5886 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 128 states and 138 transitions. [2021-11-25 06:43:09,063 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2021-11-25 06:43:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-25 06:43:09,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:09,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:09,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-25 06:43:09,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5998 backedges. 1 proven. 5995 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 129 states and 139 transitions. [2021-11-25 06:43:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2021-11-25 06:43:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-25 06:43:10,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:10,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:10,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-25 06:43:10,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6108 backedges. 1 proven. 6105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 130 states and 140 transitions. [2021-11-25 06:43:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2021-11-25 06:43:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 06:43:11,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:11,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:11,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-25 06:43:11,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6219 backedges. 1 proven. 6216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 131 states and 141 transitions. [2021-11-25 06:43:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 141 transitions. [2021-11-25 06:43:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-25 06:43:12,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:12,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:12,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-25 06:43:12,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6331 backedges. 1 proven. 6328 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 132 states and 142 transitions. [2021-11-25 06:43:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2021-11-25 06:43:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-25 06:43:13,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:13,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:13,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-25 06:43:13,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6444 backedges. 1 proven. 6441 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 133 states and 143 transitions. [2021-11-25 06:43:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 143 transitions. [2021-11-25 06:43:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-25 06:43:14,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:14,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:15,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-25 06:43:15,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6558 backedges. 1 proven. 6555 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 134 states and 144 transitions. [2021-11-25 06:43:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2021-11-25 06:43:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-25 06:43:16,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:16,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:16,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-25 06:43:16,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:16,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6673 backedges. 1 proven. 6670 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:17,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 135 states and 145 transitions. [2021-11-25 06:43:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2021-11-25 06:43:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-25 06:43:17,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:17,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:17,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-25 06:43:17,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6789 backedges. 1 proven. 6786 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 136 states and 146 transitions. [2021-11-25 06:43:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 146 transitions. [2021-11-25 06:43:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-25 06:43:18,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:18,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:18,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-25 06:43:18,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6906 backedges. 1 proven. 6903 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 137 states and 147 transitions. [2021-11-25 06:43:19,842 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2021-11-25 06:43:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-25 06:43:19,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:19,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:20,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-25 06:43:20,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7024 backedges. 1 proven. 7021 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 138 states and 148 transitions. [2021-11-25 06:43:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 148 transitions. [2021-11-25 06:43:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-25 06:43:21,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:21,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:21,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-25 06:43:21,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7143 backedges. 1 proven. 7140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 139 states and 149 transitions. [2021-11-25 06:43:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 149 transitions. [2021-11-25 06:43:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 06:43:22,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:22,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:22,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-25 06:43:22,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7263 backedges. 1 proven. 7260 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 140 states and 150 transitions. [2021-11-25 06:43:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2021-11-25 06:43:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-25 06:43:23,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:23,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:23,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-25 06:43:23,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7384 backedges. 1 proven. 7381 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 141 states and 151 transitions. [2021-11-25 06:43:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2021-11-25 06:43:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-25 06:43:24,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:24,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:25,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-25 06:43:25,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7506 backedges. 1 proven. 7503 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 142 states and 152 transitions. [2021-11-25 06:43:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 152 transitions. [2021-11-25 06:43:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 06:43:26,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:26,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:26,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-25 06:43:26,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7629 backedges. 1 proven. 7626 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 143 states and 153 transitions. [2021-11-25 06:43:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2021-11-25 06:43:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-25 06:43:27,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:27,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:27,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-25 06:43:27,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 7753 backedges. 1 proven. 7750 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 144 states and 154 transitions. [2021-11-25 06:43:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 154 transitions. [2021-11-25 06:43:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-25 06:43:28,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:28,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:28,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-25 06:43:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7878 backedges. 1 proven. 7875 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 145 states and 155 transitions. [2021-11-25 06:43:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2021-11-25 06:43:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-25 06:43:30,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:30,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:30,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-25 06:43:30,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8004 backedges. 1 proven. 8001 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 146 states and 156 transitions. [2021-11-25 06:43:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2021-11-25 06:43:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-25 06:43:31,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:31,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:31,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-25 06:43:31,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8131 backedges. 1 proven. 8128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 147 states and 157 transitions. [2021-11-25 06:43:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2021-11-25 06:43:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-25 06:43:32,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:32,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:33,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-25 06:43:33,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 1 proven. 8256 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 148 states and 158 transitions. [2021-11-25 06:43:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2021-11-25 06:43:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-25 06:43:34,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:34,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:34,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-25 06:43:34,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8388 backedges. 1 proven. 8385 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 149 states and 159 transitions. [2021-11-25 06:43:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 159 transitions. [2021-11-25 06:43:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-25 06:43:35,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:35,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:35,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-25 06:43:35,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8518 backedges. 1 proven. 8515 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 150 states and 160 transitions. [2021-11-25 06:43:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2021-11-25 06:43:36,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-25 06:43:36,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:36,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:37,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-25 06:43:37,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 8649 backedges. 1 proven. 8646 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 151 states and 161 transitions. [2021-11-25 06:43:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2021-11-25 06:43:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-25 06:43:38,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:38,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:38,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-25 06:43:38,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8781 backedges. 1 proven. 8778 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 152 states and 162 transitions. [2021-11-25 06:43:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2021-11-25 06:43:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-25 06:43:39,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:39,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:39,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-25 06:43:39,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 8914 backedges. 1 proven. 8911 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 153 states and 163 transitions. [2021-11-25 06:43:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2021-11-25 06:43:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-25 06:43:41,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:41,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:41,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-25 06:43:41,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 9048 backedges. 1 proven. 9045 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 154 states and 164 transitions. [2021-11-25 06:43:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2021-11-25 06:43:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-25 06:43:42,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:42,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:42,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-25 06:43:42,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 9183 backedges. 1 proven. 9180 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 155 states and 165 transitions. [2021-11-25 06:43:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2021-11-25 06:43:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-25 06:43:43,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:43,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:44,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-25 06:43:44,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 9319 backedges. 1 proven. 9316 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 156 states and 166 transitions. [2021-11-25 06:43:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2021-11-25 06:43:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-25 06:43:45,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:45,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:45,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-25 06:43:45,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 9456 backedges. 1 proven. 9453 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 157 states and 167 transitions. [2021-11-25 06:43:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2021-11-25 06:43:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-25 06:43:46,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:46,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:47,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-25 06:43:47,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9594 backedges. 1 proven. 9591 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 158 states and 168 transitions. [2021-11-25 06:43:48,296 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2021-11-25 06:43:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-25 06:43:48,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:48,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:48,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-25 06:43:48,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:49,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9733 backedges. 1 proven. 9730 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 159 states and 169 transitions. [2021-11-25 06:43:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2021-11-25 06:43:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-25 06:43:49,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:49,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:49,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-25 06:43:49,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 9873 backedges. 1 proven. 9870 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:51,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 160 states and 170 transitions. [2021-11-25 06:43:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2021-11-25 06:43:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-25 06:43:51,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:51,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:51,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-25 06:43:51,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10014 backedges. 1 proven. 10011 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 161 states and 171 transitions. [2021-11-25 06:43:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2021-11-25 06:43:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-25 06:43:52,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:52,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:53,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-25 06:43:53,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10156 backedges. 1 proven. 10153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 162 states and 172 transitions. [2021-11-25 06:43:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2021-11-25 06:43:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-25 06:43:54,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:54,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:54,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-25 06:43:54,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 10299 backedges. 1 proven. 10296 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 163 states and 173 transitions. [2021-11-25 06:43:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 173 transitions. [2021-11-25 06:43:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-25 06:43:55,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:55,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:55,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-25 06:43:55,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10443 backedges. 1 proven. 10440 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 164 states and 174 transitions. [2021-11-25 06:43:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 174 transitions. [2021-11-25 06:43:57,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-25 06:43:57,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:57,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:57,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-25 06:43:57,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10588 backedges. 1 proven. 10585 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 165 states and 175 transitions. [2021-11-25 06:43:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2021-11-25 06:43:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-25 06:43:58,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:58,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:59,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-25 06:43:59,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10734 backedges. 1 proven. 10731 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 166 states and 176 transitions. [2021-11-25 06:44:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 176 transitions. [2021-11-25 06:44:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-25 06:44:00,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:00,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:00,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-25 06:44:00,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 10881 backedges. 1 proven. 10878 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:01,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 167 states and 177 transitions. [2021-11-25 06:44:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 177 transitions. [2021-11-25 06:44:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-25 06:44:01,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:01,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:02,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-25 06:44:02,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 11029 backedges. 1 proven. 11026 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 168 states and 178 transitions. [2021-11-25 06:44:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 178 transitions. [2021-11-25 06:44:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-25 06:44:03,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:03,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:03,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-25 06:44:03,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 11178 backedges. 1 proven. 11175 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 169 states and 179 transitions. [2021-11-25 06:44:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 179 transitions. [2021-11-25 06:44:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-25 06:44:05,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:05,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:05,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-25 06:44:05,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 11328 backedges. 1 proven. 11325 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 170 states and 180 transitions. [2021-11-25 06:44:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2021-11-25 06:44:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-25 06:44:06,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:06,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:07,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-25 06:44:07,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 11479 backedges. 1 proven. 11476 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:08,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 171 states and 181 transitions. [2021-11-25 06:44:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 181 transitions. [2021-11-25 06:44:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-25 06:44:08,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:08,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:08,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-25 06:44:08,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 11631 backedges. 1 proven. 11628 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 172 states and 182 transitions. [2021-11-25 06:44:10,437 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 182 transitions. [2021-11-25 06:44:10,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-25 06:44:10,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:10,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:10,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-25 06:44:10,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 11784 backedges. 1 proven. 11781 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 173 states and 183 transitions. [2021-11-25 06:44:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 183 transitions. [2021-11-25 06:44:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-25 06:44:12,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:12,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:12,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 1494 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-25 06:44:12,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 11938 backedges. 1 proven. 11935 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:13,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 174 states and 184 transitions. [2021-11-25 06:44:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 184 transitions. [2021-11-25 06:44:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-25 06:44:13,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:13,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:14,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-25 06:44:14,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12093 backedges. 1 proven. 12090 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 175 states and 185 transitions. [2021-11-25 06:44:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 185 transitions. [2021-11-25 06:44:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-25 06:44:15,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:15,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:15,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1512 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-25 06:44:15,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12249 backedges. 1 proven. 12246 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 176 states and 186 transitions. [2021-11-25 06:44:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 186 transitions. [2021-11-25 06:44:17,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-25 06:44:17,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:17,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:17,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-25 06:44:17,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12406 backedges. 1 proven. 12403 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 177 states and 187 transitions. [2021-11-25 06:44:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 187 transitions. [2021-11-25 06:44:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-25 06:44:19,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:19,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:19,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-25 06:44:19,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:20,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12564 backedges. 1 proven. 12561 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 178 states and 188 transitions. [2021-11-25 06:44:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 188 transitions. [2021-11-25 06:44:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-25 06:44:20,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:20,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:21,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-25 06:44:21,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12723 backedges. 1 proven. 12720 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 179 states and 189 transitions. [2021-11-25 06:44:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 189 transitions. [2021-11-25 06:44:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-25 06:44:22,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:22,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:23,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-25 06:44:23,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12883 backedges. 1 proven. 12880 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 180 states and 190 transitions. [2021-11-25 06:44:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 190 transitions. [2021-11-25 06:44:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-25 06:44:24,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:24,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:24,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1557 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-25 06:44:24,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 13044 backedges. 1 proven. 13041 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 181 states and 191 transitions. [2021-11-25 06:44:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 191 transitions. [2021-11-25 06:44:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-25 06:44:26,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:26,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:26,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1566 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-25 06:44:26,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:27,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13206 backedges. 1 proven. 13203 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 182 states and 192 transitions. [2021-11-25 06:44:28,056 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 192 transitions. [2021-11-25 06:44:28,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-25 06:44:28,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:28,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:28,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-25 06:44:28,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13369 backedges. 1 proven. 13366 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 183 states and 193 transitions. [2021-11-25 06:44:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 193 transitions. [2021-11-25 06:44:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-25 06:44:30,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:30,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:30,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-25 06:44:30,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 13533 backedges. 1 proven. 13530 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 184 states and 194 transitions. [2021-11-25 06:44:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 194 transitions. [2021-11-25 06:44:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-25 06:44:31,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:31,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:32,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-25 06:44:32,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 13698 backedges. 1 proven. 13695 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 185 states and 195 transitions. [2021-11-25 06:44:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 195 transitions. [2021-11-25 06:44:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-25 06:44:33,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:33,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:33,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-25 06:44:33,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13864 backedges. 1 proven. 13861 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 186 states and 196 transitions. [2021-11-25 06:44:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 196 transitions. [2021-11-25 06:44:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-25 06:44:35,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:35,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:35,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-25 06:44:35,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14031 backedges. 1 proven. 14028 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:37,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 187 states and 197 transitions. [2021-11-25 06:44:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 197 transitions. [2021-11-25 06:44:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-25 06:44:37,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:37,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:37,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-25 06:44:37,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 14199 backedges. 1 proven. 14196 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:39,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 188 states and 198 transitions. [2021-11-25 06:44:39,427 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 198 transitions. [2021-11-25 06:44:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-25 06:44:39,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:39,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:39,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-25 06:44:39,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14368 backedges. 1 proven. 14365 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 189 states and 199 transitions. [2021-11-25 06:44:41,321 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 199 transitions. [2021-11-25 06:44:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-25 06:44:41,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:41,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:41,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1638 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-25 06:44:41,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14538 backedges. 1 proven. 14535 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 190 states and 200 transitions. [2021-11-25 06:44:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 200 transitions. [2021-11-25 06:44:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-25 06:44:43,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:43,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:43,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-25 06:44:43,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14709 backedges. 1 proven. 14706 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 191 states and 201 transitions. [2021-11-25 06:44:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 201 transitions. [2021-11-25 06:44:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-25 06:44:45,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:45,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:45,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-25 06:44:45,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14881 backedges. 1 proven. 14878 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:47,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 192 states and 202 transitions. [2021-11-25 06:44:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 202 transitions. [2021-11-25 06:44:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-25 06:44:47,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:47,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:47,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-25 06:44:47,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 15054 backedges. 1 proven. 15051 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 193 states and 203 transitions. [2021-11-25 06:44:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 203 transitions. [2021-11-25 06:44:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-25 06:44:49,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:49,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:49,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-25 06:44:49,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15228 backedges. 1 proven. 15225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 194 states and 204 transitions. [2021-11-25 06:44:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 204 transitions. [2021-11-25 06:44:51,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-25 06:44:51,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:51,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:51,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-25 06:44:51,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 15403 backedges. 1 proven. 15400 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 195 states and 205 transitions. [2021-11-25 06:44:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 205 transitions. [2021-11-25 06:44:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-25 06:44:53,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:53,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:53,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1692 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-25 06:44:53,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 15579 backedges. 1 proven. 15576 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 196 states and 206 transitions. [2021-11-25 06:44:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 206 transitions. [2021-11-25 06:44:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-25 06:44:55,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:55,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:55,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-25 06:44:55,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:56,339 INFO L134 CoverageAnalysis]: Checked inductivity of 15756 backedges. 1 proven. 15753 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 197 states and 207 transitions. [2021-11-25 06:44:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2021-11-25 06:44:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-25 06:44:56,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:56,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:57,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-25 06:44:57,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15934 backedges. 1 proven. 15931 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 198 states and 208 transitions. [2021-11-25 06:44:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 208 transitions. [2021-11-25 06:44:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-25 06:44:59,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:59,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:59,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-25 06:44:59,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 16113 backedges. 1 proven. 16110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:01,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 199 states and 209 transitions. [2021-11-25 06:45:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 209 transitions. [2021-11-25 06:45:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-25 06:45:01,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:01,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:01,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-25 06:45:01,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 16293 backedges. 1 proven. 16290 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 200 states and 210 transitions. [2021-11-25 06:45:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 210 transitions. [2021-11-25 06:45:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-25 06:45:03,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:03,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:03,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-25 06:45:03,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16474 backedges. 1 proven. 16471 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 201 states and 211 transitions. [2021-11-25 06:45:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 211 transitions. [2021-11-25 06:45:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-25 06:45:05,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:05,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:05,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1746 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-25 06:45:05,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16656 backedges. 1 proven. 16653 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 202 states and 212 transitions. [2021-11-25 06:45:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 212 transitions. [2021-11-25 06:45:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-25 06:45:07,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:07,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:07,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-25 06:45:07,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16839 backedges. 1 proven. 16836 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 213 transitions. [2021-11-25 06:45:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 213 transitions. [2021-11-25 06:45:09,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-25 06:45:09,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:09,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:09,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-25 06:45:09,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 17023 backedges. 1 proven. 17020 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 204 states and 214 transitions. [2021-11-25 06:45:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 214 transitions. [2021-11-25 06:45:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-25 06:45:11,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:11,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:11,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-25 06:45:11,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 17208 backedges. 1 proven. 17205 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 215 transitions. [2021-11-25 06:45:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 215 transitions. [2021-11-25 06:45:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-25 06:45:13,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:13,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:13,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1782 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-25 06:45:13,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 17394 backedges. 1 proven. 17391 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 206 states and 216 transitions. [2021-11-25 06:45:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 216 transitions. [2021-11-25 06:45:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-25 06:45:15,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:15,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:15,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-25 06:45:15,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 17581 backedges. 1 proven. 17578 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:17,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 207 states and 217 transitions. [2021-11-25 06:45:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 217 transitions. [2021-11-25 06:45:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-25 06:45:17,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:17,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:17,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-25 06:45:17,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 17769 backedges. 1 proven. 17766 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 208 states and 218 transitions. [2021-11-25 06:45:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 218 transitions. [2021-11-25 06:45:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-25 06:45:19,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:19,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:19,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-25 06:45:19,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 17958 backedges. 1 proven. 17955 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 209 states and 219 transitions. [2021-11-25 06:45:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 219 transitions. [2021-11-25 06:45:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-25 06:45:21,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:21,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:22,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 1818 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-25 06:45:22,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 18148 backedges. 1 proven. 18145 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 210 states and 220 transitions. [2021-11-25 06:45:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 220 transitions. [2021-11-25 06:45:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-25 06:45:24,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:24,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:24,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1827 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-25 06:45:24,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 18339 backedges. 1 proven. 18336 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 211 states and 221 transitions. [2021-11-25 06:45:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 221 transitions. [2021-11-25 06:45:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-25 06:45:26,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:26,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:26,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 1836 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-25 06:45:26,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18531 backedges. 1 proven. 18528 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 212 states and 222 transitions. [2021-11-25 06:45:28,415 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 222 transitions. [2021-11-25 06:45:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-25 06:45:28,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:28,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:28,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1845 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-25 06:45:28,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18724 backedges. 1 proven. 18721 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 213 states and 223 transitions. [2021-11-25 06:45:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 223 transitions. [2021-11-25 06:45:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-25 06:45:30,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:30,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:30,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1854 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-25 06:45:30,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18918 backedges. 1 proven. 18915 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:33,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 214 states and 224 transitions. [2021-11-25 06:45:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 224 transitions. [2021-11-25 06:45:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-25 06:45:33,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:33,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:33,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1863 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-25 06:45:33,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 19113 backedges. 1 proven. 19110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 215 states and 225 transitions. [2021-11-25 06:45:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 225 transitions. [2021-11-25 06:45:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-25 06:45:35,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:35,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:35,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1872 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-25 06:45:35,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 19309 backedges. 1 proven. 19306 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 216 states and 226 transitions. [2021-11-25 06:45:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 226 transitions. [2021-11-25 06:45:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-25 06:45:37,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:37,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:37,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-25 06:45:37,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19506 backedges. 1 proven. 19503 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:39,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 217 states and 227 transitions. [2021-11-25 06:45:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 227 transitions. [2021-11-25 06:45:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-25 06:45:39,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:39,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:40,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1890 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-25 06:45:40,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 19704 backedges. 1 proven. 19701 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 218 states and 228 transitions. [2021-11-25 06:45:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 228 transitions. [2021-11-25 06:45:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-25 06:45:42,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:42,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:42,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1899 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-25 06:45:42,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 19903 backedges. 1 proven. 19900 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 219 states and 229 transitions. [2021-11-25 06:45:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 229 transitions. [2021-11-25 06:45:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-25 06:45:44,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:44,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:44,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1908 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-25 06:45:44,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20103 backedges. 1 proven. 20100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 220 states and 230 transitions. [2021-11-25 06:45:46,554 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 230 transitions. [2021-11-25 06:45:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-25 06:45:46,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:46,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:46,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-25 06:45:46,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 20304 backedges. 1 proven. 20301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 221 states and 231 transitions. [2021-11-25 06:45:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 231 transitions. [2021-11-25 06:45:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-25 06:45:48,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:48,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:49,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-25 06:45:49,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20506 backedges. 1 proven. 20503 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 222 states and 232 transitions. [2021-11-25 06:45:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 232 transitions. [2021-11-25 06:45:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-25 06:45:51,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:51,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:51,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-25 06:45:51,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 20709 backedges. 1 proven. 20706 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 223 states and 233 transitions. [2021-11-25 06:45:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 233 transitions. [2021-11-25 06:45:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-25 06:45:53,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:53,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:53,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-25 06:45:53,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20913 backedges. 1 proven. 20910 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 224 states and 234 transitions. [2021-11-25 06:45:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 234 transitions. [2021-11-25 06:45:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-25 06:45:55,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:55,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:56,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-25 06:45:56,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21118 backedges. 1 proven. 21115 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 225 states and 235 transitions. [2021-11-25 06:45:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 235 transitions. [2021-11-25 06:45:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-25 06:45:58,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:58,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:58,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1962 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-25 06:45:58,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 21324 backedges. 1 proven. 21321 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 226 states and 236 transitions. [2021-11-25 06:46:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 236 transitions. [2021-11-25 06:46:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-25 06:46:00,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:00,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:00,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-25 06:46:00,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21531 backedges. 1 proven. 21528 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 227 states and 237 transitions. [2021-11-25 06:46:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 237 transitions. [2021-11-25 06:46:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-25 06:46:02,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:02,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:03,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-25 06:46:03,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 21739 backedges. 1 proven. 21736 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:05,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 228 states and 238 transitions. [2021-11-25 06:46:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 238 transitions. [2021-11-25 06:46:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-25 06:46:05,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:05,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:05,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 1989 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-25 06:46:05,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21948 backedges. 1 proven. 21945 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 229 states and 239 transitions. [2021-11-25 06:46:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 239 transitions. [2021-11-25 06:46:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-25 06:46:07,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:07,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:07,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-25 06:46:07,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 22158 backedges. 1 proven. 22155 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 230 states and 240 transitions. [2021-11-25 06:46:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 240 transitions. [2021-11-25 06:46:09,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-25 06:46:09,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:09,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:10,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 2007 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-25 06:46:10,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 22369 backedges. 1 proven. 22366 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 231 states and 241 transitions. [2021-11-25 06:46:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 241 transitions. [2021-11-25 06:46:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-25 06:46:12,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:12,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:12,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-25 06:46:12,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22581 backedges. 1 proven. 22578 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 232 states and 242 transitions. [2021-11-25 06:46:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 242 transitions. [2021-11-25 06:46:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-25 06:46:14,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:14,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:15,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-25 06:46:15,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 22794 backedges. 1 proven. 22791 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 233 states and 243 transitions. [2021-11-25 06:46:17,130 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 243 transitions. [2021-11-25 06:46:17,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-25 06:46:17,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:17,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:17,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-25 06:46:17,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 23008 backedges. 1 proven. 23005 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:19,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 234 states and 244 transitions. [2021-11-25 06:46:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 244 transitions. [2021-11-25 06:46:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-25 06:46:19,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:19,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:20,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-25 06:46:20,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 23223 backedges. 1 proven. 23220 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 235 states and 245 transitions. [2021-11-25 06:46:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 245 transitions. [2021-11-25 06:46:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-25 06:46:22,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 2052 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-25 06:46:22,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 23439 backedges. 1 proven. 23436 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 236 states and 246 transitions. [2021-11-25 06:46:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 246 transitions. [2021-11-25 06:46:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-25 06:46:24,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:24,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:24,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-25 06:46:24,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 23656 backedges. 1 proven. 23653 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:27,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 237 states and 247 transitions. [2021-11-25 06:46:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 247 transitions. [2021-11-25 06:46:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-25 06:46:27,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:27,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:27,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-25 06:46:27,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 23874 backedges. 1 proven. 23871 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 238 states and 248 transitions. [2021-11-25 06:46:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 248 transitions. [2021-11-25 06:46:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-25 06:46:29,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:29,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:29,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 2079 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-25 06:46:29,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 24093 backedges. 1 proven. 24090 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 239 states and 249 transitions. [2021-11-25 06:46:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 249 transitions. [2021-11-25 06:46:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-25 06:46:31,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:31,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:32,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-25 06:46:32,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24313 backedges. 1 proven. 24310 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 240 states and 250 transitions. [2021-11-25 06:46:34,425 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 250 transitions. [2021-11-25 06:46:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-25 06:46:34,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:34,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:34,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 2097 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-25 06:46:34,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24534 backedges. 1 proven. 24531 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 241 states and 251 transitions. [2021-11-25 06:46:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 251 transitions. [2021-11-25 06:46:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-25 06:46:36,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:36,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:37,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-25 06:46:37,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24756 backedges. 1 proven. 24753 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 242 states and 252 transitions. [2021-11-25 06:46:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 252 transitions. [2021-11-25 06:46:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-25 06:46:39,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:39,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:40,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 2115 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-25 06:46:40,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24979 backedges. 1 proven. 24976 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 243 states and 253 transitions. [2021-11-25 06:46:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 253 transitions. [2021-11-25 06:46:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-25 06:46:42,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:42,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:42,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-25 06:46:42,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25203 backedges. 1 proven. 25200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 244 states and 254 transitions. [2021-11-25 06:46:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 254 transitions. [2021-11-25 06:46:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-25 06:46:44,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:44,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:44,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-25 06:46:44,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 25428 backedges. 1 proven. 25425 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 245 states and 255 transitions. [2021-11-25 06:46:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 255 transitions. [2021-11-25 06:46:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-25 06:46:47,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:47,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:47,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 2142 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-25 06:46:47,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:48,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25654 backedges. 1 proven. 25651 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 246 states and 256 transitions. [2021-11-25 06:46:49,676 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 256 transitions. [2021-11-25 06:46:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-25 06:46:49,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:49,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:50,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-25 06:46:50,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 25881 backedges. 1 proven. 25878 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 247 states and 257 transitions. [2021-11-25 06:46:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 257 transitions. [2021-11-25 06:46:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-25 06:46:52,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:52,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:52,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 2160 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-25 06:46:52,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 26109 backedges. 1 proven. 26106 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 248 states and 258 transitions. [2021-11-25 06:46:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 258 transitions. [2021-11-25 06:46:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-25 06:46:55,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:55,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:55,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2169 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-25 06:46:55,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 26338 backedges. 1 proven. 26335 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 249 states and 259 transitions. [2021-11-25 06:46:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 259 transitions. [2021-11-25 06:46:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-25 06:46:57,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:57,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:57,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-25 06:46:57,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 26568 backedges. 1 proven. 26565 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 250 states and 260 transitions. [2021-11-25 06:47:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 260 transitions. [2021-11-25 06:47:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-25 06:47:00,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:00,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:00,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-25 06:47:00,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 26799 backedges. 1 proven. 26796 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 251 states and 261 transitions. [2021-11-25 06:47:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2021-11-25 06:47:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-25 06:47:02,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:02,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:03,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-25 06:47:03,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27031 backedges. 1 proven. 27028 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 252 states and 262 transitions. [2021-11-25 06:47:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 262 transitions. [2021-11-25 06:47:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-25 06:47:05,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:05,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:06,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2205 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-25 06:47:06,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 27264 backedges. 1 proven. 27261 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 253 states and 263 transitions. [2021-11-25 06:47:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 263 transitions. [2021-11-25 06:47:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-25 06:47:08,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:08,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:09,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2214 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-25 06:47:09,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 27498 backedges. 1 proven. 27495 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:11,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 254 states and 264 transitions. [2021-11-25 06:47:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 264 transitions. [2021-11-25 06:47:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-25 06:47:11,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:11,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:11,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 2223 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-25 06:47:11,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 27733 backedges. 1 proven. 27730 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 255 states and 265 transitions. [2021-11-25 06:47:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 265 transitions. [2021-11-25 06:47:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-25 06:47:13,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:13,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:14,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-25 06:47:14,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 27969 backedges. 1 proven. 27966 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 256 states and 266 transitions. [2021-11-25 06:47:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 266 transitions. [2021-11-25 06:47:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-25 06:47:16,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:16,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:17,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 2241 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-25 06:47:17,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28206 backedges. 1 proven. 28203 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 257 states and 267 transitions. [2021-11-25 06:47:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 267 transitions. [2021-11-25 06:47:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-25 06:47:19,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:19,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:20,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 2250 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-25 06:47:20,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 28444 backedges. 1 proven. 28441 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 258 states and 268 transitions. [2021-11-25 06:47:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 268 transitions. [2021-11-25 06:47:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-25 06:47:22,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:22,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:22,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2259 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-25 06:47:22,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 28683 backedges. 1 proven. 28680 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 259 states and 269 transitions. [2021-11-25 06:47:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 269 transitions. [2021-11-25 06:47:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-25 06:47:25,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:25,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:25,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 2268 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-25 06:47:25,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 28923 backedges. 1 proven. 28920 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 260 states and 270 transitions. [2021-11-25 06:47:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 270 transitions. [2021-11-25 06:47:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-25 06:47:28,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:28,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:28,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-25 06:47:28,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 29164 backedges. 1 proven. 29161 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 261 states and 271 transitions. [2021-11-25 06:47:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 271 transitions. [2021-11-25 06:47:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-25 06:47:30,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:30,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:31,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 2286 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-25 06:47:31,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 29406 backedges. 1 proven. 29403 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:33,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 262 states and 272 transitions. [2021-11-25 06:47:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 272 transitions. [2021-11-25 06:47:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-25 06:47:33,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:33,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:34,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-25 06:47:34,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 29649 backedges. 1 proven. 29646 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 263 states and 273 transitions. [2021-11-25 06:47:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 273 transitions. [2021-11-25 06:47:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-25 06:47:36,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:36,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:36,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-25 06:47:36,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 29893 backedges. 1 proven. 29890 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 264 states and 274 transitions. [2021-11-25 06:47:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 274 transitions. [2021-11-25 06:47:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-25 06:47:39,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:39,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:39,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 2313 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-25 06:47:39,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30138 backedges. 1 proven. 30135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 265 states and 275 transitions. [2021-11-25 06:47:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 275 transitions. [2021-11-25 06:47:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-25 06:47:42,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:42,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:42,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 2322 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-25 06:47:42,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30384 backedges. 1 proven. 30381 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 266 states and 276 transitions. [2021-11-25 06:47:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 276 transitions. [2021-11-25 06:47:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-25 06:47:44,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:44,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:45,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2331 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-25 06:47:45,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 30631 backedges. 1 proven. 30628 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 267 states and 277 transitions. [2021-11-25 06:47:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 277 transitions. [2021-11-25 06:47:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-25 06:47:47,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:47,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:48,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-25 06:47:48,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:49,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 1 proven. 30876 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:50,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 268 states and 278 transitions. [2021-11-25 06:47:50,676 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 278 transitions. [2021-11-25 06:47:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-25 06:47:50,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:50,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:51,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 2349 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-25 06:47:51,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 31128 backedges. 1 proven. 31125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 269 states and 279 transitions. [2021-11-25 06:47:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 279 transitions. [2021-11-25 06:47:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-25 06:47:53,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:53,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:53,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-25 06:47:53,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 31378 backedges. 1 proven. 31375 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:56,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 270 states and 280 transitions. [2021-11-25 06:47:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 280 transitions. [2021-11-25 06:47:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-25 06:47:56,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:56,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:56,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-25 06:47:56,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 31629 backedges. 1 proven. 31626 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:59,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 271 states and 281 transitions. [2021-11-25 06:47:59,181 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 281 transitions. [2021-11-25 06:47:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-25 06:47:59,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:59,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:59,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-25 06:47:59,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 31881 backedges. 1 proven. 31878 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 272 states and 282 transitions. [2021-11-25 06:48:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 282 transitions. [2021-11-25 06:48:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-25 06:48:02,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:02,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:02,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-25 06:48:02,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 32134 backedges. 1 proven. 32131 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 273 states and 283 transitions. [2021-11-25 06:48:05,162 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 283 transitions. [2021-11-25 06:48:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-25 06:48:05,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:05,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:05,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-25 06:48:05,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 32388 backedges. 1 proven. 32385 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:07,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 274 states and 284 transitions. [2021-11-25 06:48:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 284 transitions. [2021-11-25 06:48:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-25 06:48:07,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:07,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:08,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-25 06:48:08,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 32643 backedges. 1 proven. 32640 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 275 states and 285 transitions. [2021-11-25 06:48:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 285 transitions. [2021-11-25 06:48:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-25 06:48:11,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:11,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:11,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 2412 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-25 06:48:11,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 32899 backedges. 1 proven. 32896 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 276 states and 286 transitions. [2021-11-25 06:48:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 286 transitions. [2021-11-25 06:48:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-25 06:48:13,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:13,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:14,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 2421 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-25 06:48:14,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 33156 backedges. 1 proven. 33153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 277 states and 287 transitions. [2021-11-25 06:48:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 287 transitions. [2021-11-25 06:48:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-25 06:48:17,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:17,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:17,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-25 06:48:17,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 33414 backedges. 1 proven. 33411 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 278 states and 288 transitions. [2021-11-25 06:48:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 288 transitions. [2021-11-25 06:48:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-25 06:48:20,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:20,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:20,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-25 06:48:20,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 33673 backedges. 1 proven. 33670 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 279 states and 289 transitions. [2021-11-25 06:48:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 289 transitions. [2021-11-25 06:48:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-25 06:48:23,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:23,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:23,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 2448 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-25 06:48:23,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 33933 backedges. 1 proven. 33930 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 280 states and 290 transitions. [2021-11-25 06:48:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 290 transitions. [2021-11-25 06:48:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-25 06:48:26,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:26,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:26,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-25 06:48:26,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 34194 backedges. 1 proven. 34191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 281 states and 291 transitions. [2021-11-25 06:48:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 291 transitions. [2021-11-25 06:48:29,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-25 06:48:29,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:29,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:29,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2466 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-25 06:48:29,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 34456 backedges. 1 proven. 34453 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:32,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 282 states and 292 transitions. [2021-11-25 06:48:32,281 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 292 transitions. [2021-11-25 06:48:32,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-25 06:48:32,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:32,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:32,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-25 06:48:32,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34719 backedges. 1 proven. 34716 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 283 states and 293 transitions. [2021-11-25 06:48:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 293 transitions. [2021-11-25 06:48:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-25 06:48:35,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:35,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:35,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 2484 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-25 06:48:35,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 34983 backedges. 1 proven. 34980 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:38,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 284 states and 294 transitions. [2021-11-25 06:48:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 294 transitions. [2021-11-25 06:48:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-25 06:48:38,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:38,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:38,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-25 06:48:38,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 35248 backedges. 1 proven. 35245 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 285 states and 295 transitions. [2021-11-25 06:48:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 295 transitions. [2021-11-25 06:48:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-25 06:48:41,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:41,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:42,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 2502 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-25 06:48:42,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 35514 backedges. 1 proven. 35511 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 286 states and 296 transitions. [2021-11-25 06:48:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 296 transitions. [2021-11-25 06:48:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-25 06:48:44,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:44,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:45,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 2511 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-25 06:48:45,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 35781 backedges. 1 proven. 35778 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 287 states and 297 transitions. [2021-11-25 06:48:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 297 transitions. [2021-11-25 06:48:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-25 06:48:47,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:47,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:48,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 2520 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-25 06:48:48,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 36049 backedges. 1 proven. 36046 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:50,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 288 states and 298 transitions. [2021-11-25 06:48:50,894 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 298 transitions. [2021-11-25 06:48:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-25 06:48:50,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:50,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:51,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2529 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-25 06:48:51,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 36318 backedges. 1 proven. 36315 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 289 states and 299 transitions. [2021-11-25 06:48:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 299 transitions. [2021-11-25 06:48:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-25 06:48:53,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:53,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:54,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 2538 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-25 06:48:54,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 36588 backedges. 1 proven. 36585 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:48:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 290 states and 300 transitions. [2021-11-25 06:48:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 300 transitions. [2021-11-25 06:48:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-25 06:48:57,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:57,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:57,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 2547 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-25 06:48:57,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:48:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 36859 backedges. 1 proven. 36856 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 291 states and 301 transitions. [2021-11-25 06:49:00,328 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 301 transitions. [2021-11-25 06:49:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-25 06:49:00,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:00,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:00,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-25 06:49:00,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 37131 backedges. 1 proven. 37128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 292 states and 302 transitions. [2021-11-25 06:49:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 302 transitions. [2021-11-25 06:49:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-25 06:49:03,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:03,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:04,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-25 06:49:04,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 37404 backedges. 1 proven. 37401 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 293 states and 303 transitions. [2021-11-25 06:49:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 303 transitions. [2021-11-25 06:49:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-25 06:49:06,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:06,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:07,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-25 06:49:07,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37678 backedges. 1 proven. 37675 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 294 states and 304 transitions. [2021-11-25 06:49:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 304 transitions. [2021-11-25 06:49:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-25 06:49:09,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:09,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:10,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-25 06:49:10,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 37953 backedges. 1 proven. 37950 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 295 states and 305 transitions. [2021-11-25 06:49:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2021-11-25 06:49:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-25 06:49:13,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:13,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:13,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-25 06:49:13,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 38229 backedges. 1 proven. 38226 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 296 states and 306 transitions. [2021-11-25 06:49:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 306 transitions. [2021-11-25 06:49:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-25 06:49:16,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:16,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:17,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-25 06:49:17,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 38506 backedges. 1 proven. 38503 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 297 states and 307 transitions. [2021-11-25 06:49:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 307 transitions. [2021-11-25 06:49:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-25 06:49:19,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:19,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:20,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-25 06:49:20,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:22,032 INFO L134 CoverageAnalysis]: Checked inductivity of 38784 backedges. 1 proven. 38781 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 298 states and 308 transitions. [2021-11-25 06:49:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 308 transitions. [2021-11-25 06:49:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-25 06:49:23,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:23,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:23,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 2619 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-25 06:49:23,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 39063 backedges. 1 proven. 39060 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 299 states and 309 transitions. [2021-11-25 06:49:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 309 transitions. [2021-11-25 06:49:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-25 06:49:26,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:26,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:27,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-25 06:49:27,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 39343 backedges. 1 proven. 39340 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 300 states and 310 transitions. [2021-11-25 06:49:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 310 transitions. [2021-11-25 06:49:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-25 06:49:29,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:29,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:30,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 2637 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-25 06:49:30,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 39624 backedges. 1 proven. 39621 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 301 states and 311 transitions. [2021-11-25 06:49:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 311 transitions. [2021-11-25 06:49:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-25 06:49:33,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:33,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:33,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 2646 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-25 06:49:33,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 39906 backedges. 1 proven. 39903 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 302 states and 312 transitions. [2021-11-25 06:49:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 312 transitions. [2021-11-25 06:49:36,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-25 06:49:36,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:36,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:37,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 2655 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-25 06:49:37,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 40189 backedges. 1 proven. 40186 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 303 states and 313 transitions. [2021-11-25 06:49:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 313 transitions. [2021-11-25 06:49:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-25 06:49:40,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:40,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:40,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-25 06:49:40,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 40473 backedges. 1 proven. 40470 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 304 states and 314 transitions. [2021-11-25 06:49:43,340 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 314 transitions. [2021-11-25 06:49:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-25 06:49:43,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:43,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:44,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 2673 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-25 06:49:44,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 40758 backedges. 1 proven. 40755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 305 states and 315 transitions. [2021-11-25 06:49:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 315 transitions. [2021-11-25 06:49:46,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-25 06:49:46,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:46,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:47,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 2682 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-25 06:49:47,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 41044 backedges. 1 proven. 41041 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:50,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 306 states and 316 transitions. [2021-11-25 06:49:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 316 transitions. [2021-11-25 06:49:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-25 06:49:50,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:50,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:51,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 2691 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-25 06:49:51,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 41331 backedges. 1 proven. 41328 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 307 states and 317 transitions. [2021-11-25 06:49:53,722 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 317 transitions. [2021-11-25 06:49:53,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-25 06:49:53,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:53,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:54,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 2700 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-25 06:49:54,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 41619 backedges. 1 proven. 41616 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:49:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 308 states and 318 transitions. [2021-11-25 06:49:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 318 transitions. [2021-11-25 06:49:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-25 06:49:57,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:57,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:57,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2709 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-25 06:49:57,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:49:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 41908 backedges. 1 proven. 41905 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:00,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 309 states and 319 transitions. [2021-11-25 06:50:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 319 transitions. [2021-11-25 06:50:00,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-25 06:50:00,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:00,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:01,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 2718 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-25 06:50:01,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 42198 backedges. 1 proven. 42195 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 310 states and 320 transitions. [2021-11-25 06:50:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 320 transitions. [2021-11-25 06:50:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-25 06:50:04,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:04,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:04,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 2727 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-25 06:50:04,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 42489 backedges. 1 proven. 42486 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 311 states and 321 transitions. [2021-11-25 06:50:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 321 transitions. [2021-11-25 06:50:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-25 06:50:07,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:07,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:08,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 2736 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-25 06:50:08,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 42781 backedges. 1 proven. 42778 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 312 states and 322 transitions. [2021-11-25 06:50:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 322 transitions. [2021-11-25 06:50:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-25 06:50:11,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:11,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:12,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 2745 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-25 06:50:12,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 43074 backedges. 1 proven. 43071 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 313 states and 323 transitions. [2021-11-25 06:50:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 323 transitions. [2021-11-25 06:50:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-25 06:50:15,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:15,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:15,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 2754 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-25 06:50:15,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 43368 backedges. 1 proven. 43365 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 314 states and 324 transitions. [2021-11-25 06:50:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 324 transitions. [2021-11-25 06:50:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-25 06:50:18,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:18,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:19,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 2763 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-25 06:50:19,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 43663 backedges. 1 proven. 43660 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 315 states and 325 transitions. [2021-11-25 06:50:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 325 transitions. [2021-11-25 06:50:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-25 06:50:22,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:22,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:23,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 2772 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-25 06:50:23,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 43959 backedges. 1 proven. 43956 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 316 states and 326 transitions. [2021-11-25 06:50:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 326 transitions. [2021-11-25 06:50:26,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-25 06:50:26,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:26,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:27,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 2781 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-25 06:50:27,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 44256 backedges. 1 proven. 44253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 317 states and 327 transitions. [2021-11-25 06:50:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 327 transitions. [2021-11-25 06:50:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-25 06:50:30,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:30,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:30,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 2790 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-25 06:50:30,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 44554 backedges. 1 proven. 44551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 318 states and 328 transitions. [2021-11-25 06:50:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 328 transitions. [2021-11-25 06:50:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-25 06:50:33,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:33,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:34,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-25 06:50:34,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 44853 backedges. 1 proven. 44850 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 319 states and 329 transitions. [2021-11-25 06:50:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 329 transitions. [2021-11-25 06:50:37,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-25 06:50:37,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:37,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:38,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-25 06:50:38,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 45153 backedges. 1 proven. 45150 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 320 states and 330 transitions. [2021-11-25 06:50:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 330 transitions. [2021-11-25 06:50:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-25 06:50:41,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:41,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:42,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-25 06:50:42,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 45454 backedges. 1 proven. 45451 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 321 states and 331 transitions. [2021-11-25 06:50:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 331 transitions. [2021-11-25 06:50:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-25 06:50:45,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:45,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:46,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 2826 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-25 06:50:46,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 45756 backedges. 1 proven. 45753 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 322 states and 332 transitions. [2021-11-25 06:50:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 332 transitions. [2021-11-25 06:50:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-25 06:50:49,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:49,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:49,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 2835 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-25 06:50:49,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 46059 backedges. 1 proven. 46056 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 323 states and 333 transitions. [2021-11-25 06:50:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 333 transitions. [2021-11-25 06:50:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-25 06:50:53,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:53,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:53,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 2844 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-25 06:50:53,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 46363 backedges. 1 proven. 46360 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 324 states and 334 transitions. [2021-11-25 06:50:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 334 transitions. [2021-11-25 06:50:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-25 06:50:56,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:56,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:57,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-25 06:50:57,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:50:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 46668 backedges. 1 proven. 46665 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 325 states and 335 transitions. [2021-11-25 06:51:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 335 transitions. [2021-11-25 06:51:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-25 06:51:00,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:00,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:01,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-25 06:51:01,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 46974 backedges. 1 proven. 46971 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 326 states and 336 transitions. [2021-11-25 06:51:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 336 transitions. [2021-11-25 06:51:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-25 06:51:04,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:04,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:05,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-25 06:51:05,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 47281 backedges. 1 proven. 47278 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:08,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 327 states and 337 transitions. [2021-11-25 06:51:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 337 transitions. [2021-11-25 06:51:08,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-25 06:51:08,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:08,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:09,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-25 06:51:09,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 47589 backedges. 1 proven. 47586 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:12,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 328 states and 338 transitions. [2021-11-25 06:51:12,369 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 338 transitions. [2021-11-25 06:51:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-25 06:51:12,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:12,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:13,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-25 06:51:13,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 47898 backedges. 1 proven. 47895 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 329 states and 339 transitions. [2021-11-25 06:51:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 339 transitions. [2021-11-25 06:51:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-25 06:51:16,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:16,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:17,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-25 06:51:17,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 48208 backedges. 1 proven. 48205 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 330 states and 340 transitions. [2021-11-25 06:51:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 340 transitions. [2021-11-25 06:51:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-25 06:51:21,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:21,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:21,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 2907 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-25 06:51:21,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 48519 backedges. 1 proven. 48516 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 331 states and 341 transitions. [2021-11-25 06:51:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 341 transitions. [2021-11-25 06:51:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-25 06:51:25,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:25,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:25,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 2916 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-25 06:51:25,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 48831 backedges. 1 proven. 48828 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 332 states and 342 transitions. [2021-11-25 06:51:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 342 transitions. [2021-11-25 06:51:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-25 06:51:29,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:29,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:29,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-25 06:51:29,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 49144 backedges. 1 proven. 49141 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 333 states and 343 transitions. [2021-11-25 06:51:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 343 transitions. [2021-11-25 06:51:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-25 06:51:33,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:33,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:33,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-25 06:51:33,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 49458 backedges. 1 proven. 49455 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 334 states and 344 transitions. [2021-11-25 06:51:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 344 transitions. [2021-11-25 06:51:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-25 06:51:37,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:37,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:37,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 2943 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-25 06:51:37,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 49773 backedges. 1 proven. 49770 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 335 states and 345 transitions. [2021-11-25 06:51:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 345 transitions. [2021-11-25 06:51:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-25 06:51:41,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:41,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:41,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 2952 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-25 06:51:41,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 50089 backedges. 1 proven. 50086 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 336 states and 346 transitions. [2021-11-25 06:51:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 346 transitions. [2021-11-25 06:51:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-25 06:51:45,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:45,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:45,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 2961 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-25 06:51:45,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 50406 backedges. 1 proven. 50403 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 337 states and 347 transitions. [2021-11-25 06:51:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 347 transitions. [2021-11-25 06:51:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-25 06:51:49,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:49,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:50,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-25 06:51:50,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 50724 backedges. 1 proven. 50721 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 338 states and 348 transitions. [2021-11-25 06:51:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 348 transitions. [2021-11-25 06:51:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-25 06:51:53,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:53,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:54,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 2979 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-25 06:51:54,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:51:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 51043 backedges. 1 proven. 51040 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:51:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 339 states and 349 transitions. [2021-11-25 06:51:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 349 transitions. [2021-11-25 06:51:57,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-25 06:51:57,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:57,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:58,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 2988 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-25 06:51:58,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 51363 backedges. 1 proven. 51360 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 340 states and 350 transitions. [2021-11-25 06:52:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 350 transitions. [2021-11-25 06:52:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-25 06:52:01,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:01,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:02,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-25 06:52:02,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 51684 backedges. 1 proven. 51681 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 341 states and 351 transitions. [2021-11-25 06:52:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 351 transitions. [2021-11-25 06:52:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-25 06:52:05,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:05,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:06,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 3006 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-25 06:52:06,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 52006 backedges. 1 proven. 52003 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 342 states and 352 transitions. [2021-11-25 06:52:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 352 transitions. [2021-11-25 06:52:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-25 06:52:09,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:09,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:10,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 3015 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-25 06:52:10,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 52329 backedges. 1 proven. 52326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 343 states and 353 transitions. [2021-11-25 06:52:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 353 transitions. [2021-11-25 06:52:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-25 06:52:13,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:13,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:14,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 3024 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-25 06:52:14,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 52653 backedges. 1 proven. 52650 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 344 states and 354 transitions. [2021-11-25 06:52:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 354 transitions. [2021-11-25 06:52:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-25 06:52:17,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:17,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:18,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 3033 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-25 06:52:18,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 52978 backedges. 1 proven. 52975 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 345 states and 355 transitions. [2021-11-25 06:52:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 355 transitions. [2021-11-25 06:52:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-25 06:52:21,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:21,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:22,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 3042 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-25 06:52:22,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 53304 backedges. 1 proven. 53301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 346 states and 356 transitions. [2021-11-25 06:52:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 356 transitions. [2021-11-25 06:52:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-25 06:52:26,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:26,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:27,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 3051 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-25 06:52:27,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 53631 backedges. 1 proven. 53628 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 347 states and 357 transitions. [2021-11-25 06:52:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 357 transitions. [2021-11-25 06:52:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-25 06:52:30,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:30,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:31,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-25 06:52:31,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 53959 backedges. 1 proven. 53956 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 348 states and 358 transitions. [2021-11-25 06:52:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 358 transitions. [2021-11-25 06:52:34,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-25 06:52:34,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:34,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:35,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 3069 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-25 06:52:35,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:37,341 INFO L134 CoverageAnalysis]: Checked inductivity of 54288 backedges. 1 proven. 54285 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 349 states and 359 transitions. [2021-11-25 06:52:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 359 transitions. [2021-11-25 06:52:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-25 06:52:38,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:38,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:39,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-25 06:52:39,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 54618 backedges. 1 proven. 54615 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 350 states and 360 transitions. [2021-11-25 06:52:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 360 transitions. [2021-11-25 06:52:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-25 06:52:43,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:43,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:43,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 3087 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-25 06:52:43,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 54949 backedges. 1 proven. 54946 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:47,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 351 states and 361 transitions. [2021-11-25 06:52:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 361 transitions. [2021-11-25 06:52:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-25 06:52:47,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:47,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:48,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 3096 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-25 06:52:48,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:52:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 55281 backedges. 1 proven. 55278 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:52:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:51,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 352 states and 362 transitions. [2021-11-25 06:52:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 362 transitions. [2021-11-25 06:52:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-25 06:52:51,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:51,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:52,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 3105 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-25 06:52:52,266 INFO L286 TraceCheckSpWp]: Computing forward predicates...