./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:45:22,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:45:22,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:45:22,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:45:22,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:45:22,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:45:22,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:45:22,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:45:22,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:45:22,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:45:22,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:45:22,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:45:22,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:45:22,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:45:22,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:45:22,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:45:22,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:45:22,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:45:22,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:45:22,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:45:22,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:45:22,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:45:22,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:45:22,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:45:22,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:45:22,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:45:22,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:45:22,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:45:22,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:45:22,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:45:22,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:45:22,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:45:22,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:45:22,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:45:22,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:45:22,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:45:22,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:45:22,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:45:22,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:45:22,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:45:22,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:45:22,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 05:45:22,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:45:22,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:45:22,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:45:22,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:45:22,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:45:22,238 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:45:22,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:45:22,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:45:22,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:45:22,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:45:22,239 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:45:22,240 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:45:22,240 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 05:45:22,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:45:22,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:45:22,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:45:22,241 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:45:22,241 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:45:22,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:45:22,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:45:22,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:45:22,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:45:22,242 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:45:22,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:45:22,242 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_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 [2021-11-21 05:45:22,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:45:22,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:45:22,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:45:22,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:45:22,575 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:45:22,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2021-11-21 05:45:22,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/data/a79d5a6bf/a575d67427234f8abcad95be95e2c940/FLAGaeaa86076 [2021-11-21 05:45:23,181 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:45:23,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2021-11-21 05:45:23,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/data/a79d5a6bf/a575d67427234f8abcad95be95e2c940/FLAGaeaa86076 [2021-11-21 05:45:23,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/data/a79d5a6bf/a575d67427234f8abcad95be95e2c940 [2021-11-21 05:45:23,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:45:23,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:45:23,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:45:23,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:45:23,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:45:23,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:23,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ced2a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23, skipping insertion in model container [2021-11-21 05:45:23,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:23,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:45:23,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:45:23,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:45:23,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:45:23,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:45:23,988 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:45:23,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23 WrapperNode [2021-11-21 05:45:23,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:45:23,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:45:23,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:45:23,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:45:23,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,051 INFO L137 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2021-11-21 05:45:24,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:45:24,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:45:24,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:45:24,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:45:24,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:45:24,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:45:24,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:45:24,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:45:24,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:45:23" (1/1) ... [2021-11-21 05:45:24,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:45:24,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:45:24,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:45:24,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003a310d-2524-462a-8f3c-211cf4634207/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:45:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:45:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:45:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:45:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:45:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:45:24,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:45:24,334 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:45:24,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:45:24,500 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:45:24,530 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:45:24,530 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 05:45:24,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:45:24 BoogieIcfgContainer [2021-11-21 05:45:24,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:45:24,534 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:45:24,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:45:24,542 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:45:24,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:45:24" (1/1) ... [2021-11-21 05:45:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:45:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:24,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-21 05:45:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-21 05:45:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:45:24,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:24,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-21 05:45:24,774 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-21 05:45:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:45:24,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:24,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:25,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-21 05:45:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-21 05:45:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:45:25,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:25,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-21 05:45:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-21 05:45:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:45:25,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:25,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-11-21 05:45:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-21 05:45:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:45:25,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:25,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:25,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-11-21 05:45:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-11-21 05:45:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:45:25,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:25,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-21 05:45:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-21 05:45:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:45:25,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:25,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-21 05:45:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-21 05:45:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:45:26,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:26,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-21 05:45:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-21 05:45:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:45:26,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:26,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2021-11-21 05:45:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2021-11-21 05:45:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:45:27,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:27,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:27,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-21 05:45:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-21 05:45:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:45:28,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:28,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-21 05:45:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-21 05:45:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:45:28,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:28,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-21 05:45:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-21 05:45:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:45:30,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:30,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:45:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-11-21 05:45:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-21 05:45:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:45:30,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:30,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:45:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-11-21 05:45:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-11-21 05:45:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:45:31,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:31,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-11-21 05:45:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-11-21 05:45:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:45:34,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:34,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:45:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2021-11-21 05:45:35,001 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2021-11-21 05:45:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:45:35,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:35,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:45:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2021-11-21 05:45:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2021-11-21 05:45:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:45:35,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:35,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2021-11-21 05:45:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2021-11-21 05:45:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:45:37,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:37,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:45:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2021-11-21 05:45:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-11-21 05:45:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:45:37,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:37,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:45:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2021-11-21 05:45:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2021-11-21 05:45:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:45:38,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:38,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2021-11-21 05:45:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2021-11-21 05:45:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:45:43,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:43,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:45:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2021-11-21 05:45:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2021-11-21 05:45:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:45:44,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:44,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:45:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2021-11-21 05:45:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2021-11-21 05:45:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:45:44,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:44,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:48,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2021-11-21 05:45:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2021-11-21 05:45:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:45:48,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:48,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 59 states and 93 transitions. [2021-11-21 05:45:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2021-11-21 05:45:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:45:52,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:52,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 05:45:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2021-11-21 05:45:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2021-11-21 05:45:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:53,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:53,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2021-11-21 05:45:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2021-11-21 05:45:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:45:59,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:59,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 71 states and 117 transitions. [2021-11-21 05:46:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 117 transitions. [2021-11-21 05:46:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:01,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:01,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 75 states and 124 transitions. [2021-11-21 05:46:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 124 transitions. [2021-11-21 05:46:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:05,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:05,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 79 states and 131 transitions. [2021-11-21 05:46:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 131 transitions. [2021-11-21 05:46:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:08,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:08,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2021-11-21 05:46:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2021-11-21 05:46:14,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:14,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:14,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 87 states and 144 transitions. [2021-11-21 05:46:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 144 transitions. [2021-11-21 05:46:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:46:17,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:17,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 94 states and 162 transitions. [2021-11-21 05:46:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 162 transitions. [2021-11-21 05:46:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:46:25,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:25,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 98 states and 170 transitions. [2021-11-21 05:46:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 170 transitions. [2021-11-21 05:46:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:46:28,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:28,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 102 states and 178 transitions. [2021-11-21 05:46:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2021-11-21 05:46:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:46:31,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:31,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 106 states and 186 transitions. [2021-11-21 05:46:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 186 transitions. [2021-11-21 05:46:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:46:34,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:34,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-21 05:46:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 104 states and 183 transitions. [2021-11-21 05:46:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 183 transitions. [2021-11-21 05:46:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:46:35,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:35,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 108 states and 190 transitions. [2021-11-21 05:46:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 190 transitions. [2021-11-21 05:46:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:46:40,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:40,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 112 states and 197 transitions. [2021-11-21 05:46:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 197 transitions. [2021-11-21 05:46:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:46:44,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:44,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 116 states and 204 transitions. [2021-11-21 05:46:47,680 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 204 transitions. [2021-11-21 05:46:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:46:47,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:47,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:51,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 120 states and 211 transitions. [2021-11-21 05:46:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 211 transitions. [2021-11-21 05:46:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:46:51,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:51,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 217 transitions. [2021-11-21 05:47:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2021-11-21 05:47:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:47:00,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:00,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 128 states and 224 transitions. [2021-11-21 05:47:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 224 transitions. [2021-11-21 05:47:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:47:04,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:04,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 132 states and 231 transitions. [2021-11-21 05:47:08,796 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 231 transitions. [2021-11-21 05:47:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:47:08,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:08,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 238 transitions. [2021-11-21 05:47:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2021-11-21 05:47:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:12,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:12,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 143 states and 260 transitions. [2021-11-21 05:47:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 260 transitions. [2021-11-21 05:47:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:25,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:25,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 147 states and 268 transitions. [2021-11-21 05:47:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions. [2021-11-21 05:47:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:29,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:29,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 151 states and 276 transitions. [2021-11-21 05:47:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 276 transitions. [2021-11-21 05:47:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:33,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:33,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 155 states and 284 transitions. [2021-11-21 05:47:38,157 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 284 transitions. [2021-11-21 05:47:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:38,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:38,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 159 states and 292 transitions. [2021-11-21 05:47:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 292 transitions. [2021-11-21 05:47:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:42,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:42,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 163 states and 300 transitions. [2021-11-21 05:47:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 300 transitions. [2021-11-21 05:47:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:47,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:47,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 167 states and 308 transitions. [2021-11-21 05:47:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 308 transitions. [2021-11-21 05:47:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:51,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:51,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 171 states and 316 transitions. [2021-11-21 05:47:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 316 transitions. [2021-11-21 05:47:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:47:56,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:56,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 175 states and 323 transitions. [2021-11-21 05:48:04,260 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 323 transitions. [2021-11-21 05:48:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:04,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:04,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 179 states and 330 transitions. [2021-11-21 05:48:09,133 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 330 transitions. [2021-11-21 05:48:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:09,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:09,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 183 states and 337 transitions. [2021-11-21 05:48:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2021-11-21 05:48:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:14,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:14,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 187 states and 344 transitions. [2021-11-21 05:48:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 344 transitions. [2021-11-21 05:48:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:19,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:19,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 351 transitions. [2021-11-21 05:48:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2021-11-21 05:48:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:24,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:24,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 195 states and 358 transitions. [2021-11-21 05:48:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 358 transitions. [2021-11-21 05:48:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:29,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:29,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 199 states and 365 transitions. [2021-11-21 05:48:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 365 transitions. [2021-11-21 05:48:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:34,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:34,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:34,912 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 203 states and 372 transitions. [2021-11-21 05:48:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 372 transitions. [2021-11-21 05:48:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:40,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:40,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:55,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 207 states and 378 transitions. [2021-11-21 05:48:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 378 transitions. [2021-11-21 05:48:55,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:48:55,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:55,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 211 states and 385 transitions. [2021-11-21 05:49:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 385 transitions. [2021-11-21 05:49:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:49:01,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:01,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:01,584 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 215 states and 392 transitions. [2021-11-21 05:49:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 392 transitions. [2021-11-21 05:49:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:49:07,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:07,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 219 states and 399 transitions. [2021-11-21 05:49:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 399 transitions. [2021-11-21 05:49:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:49:12,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:12,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 223 states and 406 transitions. [2021-11-21 05:49:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 406 transitions. [2021-11-21 05:49:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:49:18,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:18,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:24,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:24,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 227 states and 413 transitions. [2021-11-21 05:49:24,485 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 413 transitions. [2021-11-21 05:49:24,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:49:24,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:24,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 231 states and 420 transitions. [2021-11-21 05:49:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 420 transitions. [2021-11-21 05:49:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:49:30,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:30,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 235 states and 427 transitions. [2021-11-21 05:49:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 427 transitions. [2021-11-21 05:49:36,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:49:36,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:36,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 242 states and 457 transitions. [2021-11-21 05:49:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 457 transitions. [2021-11-21 05:49:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:49:57,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:57,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 246 states and 465 transitions. [2021-11-21 05:50:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 465 transitions. [2021-11-21 05:50:03,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:03,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:03,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 250 states and 473 transitions. [2021-11-21 05:50:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 473 transitions. [2021-11-21 05:50:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:10,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:10,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 254 states and 481 transitions. [2021-11-21 05:50:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 481 transitions. [2021-11-21 05:50:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:16,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:16,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 258 states and 489 transitions. [2021-11-21 05:50:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 489 transitions. [2021-11-21 05:50:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:23,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:23,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 262 states and 497 transitions. [2021-11-21 05:50:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 497 transitions. [2021-11-21 05:50:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:29,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:29,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 266 states and 505 transitions. [2021-11-21 05:50:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 505 transitions. [2021-11-21 05:50:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:36,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:36,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 270 states and 513 transitions. [2021-11-21 05:50:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 513 transitions. [2021-11-21 05:50:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:42,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:42,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 274 states and 521 transitions. [2021-11-21 05:50:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 521 transitions. [2021-11-21 05:50:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:50,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:50,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:56,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 278 states and 529 transitions. [2021-11-21 05:50:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 529 transitions. [2021-11-21 05:50:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:50:56,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:56,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 282 states and 537 transitions. [2021-11-21 05:51:04,085 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 537 transitions. [2021-11-21 05:51:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:51:04,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:04,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 286 states and 545 transitions. [2021-11-21 05:51:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 545 transitions. [2021-11-21 05:51:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:51:11,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:11,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 290 states and 553 transitions. [2021-11-21 05:51:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 553 transitions. [2021-11-21 05:51:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:51:18,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:18,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 294 states and 561 transitions. [2021-11-21 05:51:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 561 transitions. [2021-11-21 05:51:26,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:51:26,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:26,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 298 states and 569 transitions. [2021-11-21 05:51:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 569 transitions. [2021-11-21 05:51:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:51:33,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:33,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 302 states and 577 transitions. [2021-11-21 05:51:40,927 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 577 transitions. [2021-11-21 05:51:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:51:40,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:40,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 306 states and 584 transitions. [2021-11-21 05:51:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 584 transitions. [2021-11-21 05:51:55,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:51:55,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:55,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 310 states and 591 transitions. [2021-11-21 05:52:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 591 transitions. [2021-11-21 05:52:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:03,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:03,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 314 states and 598 transitions. [2021-11-21 05:52:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 598 transitions. [2021-11-21 05:52:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:11,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:11,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 318 states and 605 transitions. [2021-11-21 05:52:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 605 transitions. [2021-11-21 05:52:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:19,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:19,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 322 states and 612 transitions. [2021-11-21 05:52:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 612 transitions. [2021-11-21 05:52:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:27,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:27,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 326 states and 619 transitions. [2021-11-21 05:52:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 619 transitions. [2021-11-21 05:52:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:35,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:35,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:43,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 330 states and 626 transitions. [2021-11-21 05:52:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 626 transitions. [2021-11-21 05:52:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:43,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:43,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 334 states and 633 transitions. [2021-11-21 05:52:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 633 transitions. [2021-11-21 05:52:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:51,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:51,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 338 states and 640 transitions. [2021-11-21 05:52:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 640 transitions. [2021-11-21 05:52:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:52:59,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:59,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 342 states and 647 transitions. [2021-11-21 05:53:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 647 transitions. [2021-11-21 05:53:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:07,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:07,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 346 states and 654 transitions. [2021-11-21 05:53:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 654 transitions. [2021-11-21 05:53:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:15,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:15,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 350 states and 661 transitions. [2021-11-21 05:53:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 661 transitions. [2021-11-21 05:53:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:24,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:24,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 354 states and 668 transitions. [2021-11-21 05:53:32,748 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 668 transitions. [2021-11-21 05:53:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:32,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:32,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 358 states and 675 transitions. [2021-11-21 05:53:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 675 transitions. [2021-11-21 05:53:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:41,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:41,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 362 states and 682 transitions. [2021-11-21 05:53:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 682 transitions. [2021-11-21 05:53:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:49,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:49,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 366 states and 689 transitions. [2021-11-21 05:53:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 689 transitions. [2021-11-21 05:53:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:58,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:58,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 370 states and 695 transitions. [2021-11-21 05:54:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 695 transitions. [2021-11-21 05:54:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:54:29,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:29,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:39,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 374 states and 702 transitions. [2021-11-21 05:54:39,444 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 702 transitions. [2021-11-21 05:54:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:54:39,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:39,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 378 states and 709 transitions. [2021-11-21 05:54:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 709 transitions. [2021-11-21 05:54:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:54:48,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:48,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 382 states and 716 transitions. [2021-11-21 05:54:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 716 transitions. [2021-11-21 05:54:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:54:58,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:58,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 386 states and 723 transitions. [2021-11-21 05:55:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 723 transitions. [2021-11-21 05:55:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:55:07,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:07,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 390 states and 730 transitions. [2021-11-21 05:55:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 730 transitions. [2021-11-21 05:55:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:55:17,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:17,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 394 states and 737 transitions. [2021-11-21 05:55:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 737 transitions. [2021-11-21 05:55:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:55:26,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:26,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 398 states and 744 transitions. [2021-11-21 05:55:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 744 transitions. [2021-11-21 05:55:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:55:36,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:36,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 402 states and 751 transitions. [2021-11-21 05:55:45,509 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 751 transitions. [2021-11-21 05:55:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:55:45,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:45,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 406 states and 758 transitions. [2021-11-21 05:55:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 758 transitions. [2021-11-21 05:55:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:55:55,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:55,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 410 states and 765 transitions. [2021-11-21 05:56:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 765 transitions. [2021-11-21 05:56:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:56:04,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:04,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:14,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 414 states and 772 transitions. [2021-11-21 05:56:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 772 transitions. [2021-11-21 05:56:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:56:14,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:14,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:25,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 418 states and 779 transitions. [2021-11-21 05:56:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 779 transitions. [2021-11-21 05:56:25,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:56:25,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:25,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 422 states and 786 transitions. [2021-11-21 05:56:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 786 transitions. [2021-11-21 05:56:35,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:56:35,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:35,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:45,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 426 states and 793 transitions. [2021-11-21 05:56:45,974 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 793 transitions. [2021-11-21 05:56:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:56:45,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:45,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 430 states and 800 transitions. [2021-11-21 05:56:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 800 transitions. [2021-11-21 05:56:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:56:56,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:56,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.