./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e --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 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:57:48,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:57:48,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:57:48,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:57:48,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:57:48,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:57:48,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:57:48,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:57:48,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:57:48,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:57:48,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:57:48,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:57:48,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:57:48,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:57:48,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:57:48,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:57:48,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:57:48,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:57:48,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:57:48,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:57:48,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:57:48,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:57:48,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:57:48,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:57:48,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:57:48,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:57:48,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:57:48,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:57:48,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:57:48,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:57:48,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:57:48,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:57:48,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:57:48,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:57:48,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:57:48,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:57:48,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:57:48,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:57:48,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:57:48,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:57:48,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:57:48,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 21:57:48,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:57:48,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:57:48,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:57:48,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:57:48,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:57:48,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:57:48,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:57:48,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:57:48,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:57:48,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:57:48,685 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 21:57:48,686 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 21:57:48,686 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 21:57:48,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:57:48,686 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:57:48,687 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:57:48,687 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:57:48,687 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:57:48,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:57:48,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:48,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:57:48,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:57:48,689 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:57:48,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:57:48,689 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_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2021-11-13 21:57:48,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:57:48,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:57:48,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:57:48,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:57:48,994 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:57:48,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-13 21:57:49,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/data/af1120a94/4f8c2d64184e4b7494e9ec7745452792/FLAGf0c638ab3 [2021-11-13 21:57:49,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:57:49,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-13 21:57:49,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/data/af1120a94/4f8c2d64184e4b7494e9ec7745452792/FLAGf0c638ab3 [2021-11-13 21:57:49,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/data/af1120a94/4f8c2d64184e4b7494e9ec7745452792 [2021-11-13 21:57:49,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:57:49,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:57:49,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:49,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:57:49,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:57:49,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:49" (1/1) ... [2021-11-13 21:57:49,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d6e500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:49, skipping insertion in model container [2021-11-13 21:57:49,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:49" (1/1) ... [2021-11-13 21:57:49,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:57:49,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:57:50,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:50,353 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:57:50,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:50,456 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:57:50,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50 WrapperNode [2021-11-13 21:57:50,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:50,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:50,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:57:50,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:57:50,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:50,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:57:50,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:57:50,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:57:50,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:57:50,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:57:50,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:57:50,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:57:50,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:50" (1/1) ... [2021-11-13 21:57:50,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:50,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:57:50,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:57:50,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190b82f6-dca4-4371-80b9-9ea10d7e987d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:57:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:57:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:57:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:57:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:57:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:57:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:57:51,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:57:51,296 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 21:57:51,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:51 BoogieIcfgContainer [2021-11-13 21:57:51,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:57:51,303 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:57:51,303 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:57:51,311 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:57:51,312 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:51" (1/1) ... [2021-11-13 21:57:51,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:57:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2021-11-13 21:57:51,381 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-11-13 21:57:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:57:51,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:51,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2021-11-13 21:57:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2021-11-13 21:57:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:57:51,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:51,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:51,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2021-11-13 21:57:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2021-11-13 21:57:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:57:51,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:51,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2021-11-13 21:57:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2021-11-13 21:57:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:57:52,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:52,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:52,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-13 21:57:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-13 21:57:52,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:57:52,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:52,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 66 states and 86 transitions. [2021-11-13 21:57:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2021-11-13 21:57:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:57:52,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:52,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2021-11-13 21:57:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2021-11-13 21:57:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:57:53,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:53,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2021-11-13 21:57:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-11-13 21:57:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:57:54,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:54,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2021-11-13 21:57:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2021-11-13 21:57:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:57:55,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:55,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2021-11-13 21:57:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2021-11-13 21:57:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:57:55,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:55,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2021-11-13 21:57:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2021-11-13 21:57:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:57:55,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:55,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2021-11-13 21:57:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2021-11-13 21:57:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:57:56,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:56,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:57:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2021-11-13 21:57:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2021-11-13 21:57:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:57:57,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:57,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:57:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2021-11-13 21:57:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2021-11-13 21:57:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:57:57,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:57,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2021-11-13 21:57:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2021-11-13 21:57:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:57:57,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:57,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2021-11-13 21:57:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2021-11-13 21:57:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:57:57,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:57,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2021-11-13 21:57:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2021-11-13 21:57:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:57:59,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:59,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:57:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2021-11-13 21:57:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2021-11-13 21:57:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:57:59,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:59,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:00,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2021-11-13 21:58:00,970 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2021-11-13 21:58:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:58:00,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:00,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2021-11-13 21:58:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2021-11-13 21:58:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:58:01,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:01,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2021-11-13 21:58:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2021-11-13 21:58:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:58:01,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:01,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2021-11-13 21:58:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2021-11-13 21:58:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:58:01,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:01,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:01,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 77 states and 107 transitions. [2021-11-13 21:58:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-11-13 21:58:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:58:02,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:02,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2021-11-13 21:58:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2021-11-13 21:58:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:58:02,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:02,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2021-11-13 21:58:03,586 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2021-11-13 21:58:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:58:03,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:03,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 75 transitions. [2021-11-13 21:58:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2021-11-13 21:58:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:58:07,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:07,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2021-11-13 21:58:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2021-11-13 21:58:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:58:11,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:11,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:14,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2021-11-13 21:58:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2021-11-13 21:58:14,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:58:14,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:14,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:58:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2021-11-13 21:58:14,983 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-11-13 21:58:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:58:14,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:14,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2021-11-13 21:58:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2021-11-13 21:58:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:58:22,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:22,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:58:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2021-11-13 21:58:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2021-11-13 21:58:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:25,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:25,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2021-11-13 21:58:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2021-11-13 21:58:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:30,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:30,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:58:33,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-13 21:58:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-13 21:58:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:33,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:58:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2021-11-13 21:58:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2021-11-13 21:58:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:33,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:58:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2021-11-13 21:58:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2021-11-13 21:58:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:58:34,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:34,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2021-11-13 21:58:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2021-11-13 21:58:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:58:39,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 90 states and 130 transitions. [2021-11-13 21:58:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2021-11-13 21:58:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:58:46,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:46,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2021-11-13 21:58:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2021-11-13 21:58:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:58:59,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:59,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:59:00,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 98 states and 148 transitions. [2021-11-13 21:59:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2021-11-13 21:59:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:59:00,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:00,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:59:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 98 states and 147 transitions. [2021-11-13 21:59:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2021-11-13 21:59:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:59:01,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:01,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:59:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 100 states and 153 transitions. [2021-11-13 21:59:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2021-11-13 21:59:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:59:03,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:03,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:59:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 102 states and 158 transitions. [2021-11-13 21:59:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2021-11-13 21:59:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:59:05,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:05,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:59:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 109 states and 173 transitions. [2021-11-13 21:59:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2021-11-13 21:59:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:59:10,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:10,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 21:59:11,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 170 transitions. [2021-11-13 21:59:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2021-11-13 21:59:11,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:59:11,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:11,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:59:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 109 states and 173 transitions. [2021-11-13 21:59:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2021-11-13 21:59:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:19,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:19,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:59:42,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 126 states and 205 transitions. [2021-11-13 21:59:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2021-11-13 21:59:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:42,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:42,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 21:59:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 128 states and 209 transitions. [2021-11-13 21:59:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2021-11-13 21:59:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:45,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:45,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 21:59:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 130 states and 212 transitions. [2021-11-13 21:59:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2021-11-13 21:59:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:47,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:47,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:59:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:49,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2021-11-13 21:59:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2021-11-13 21:59:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:49,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:49,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:59:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:50,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 124 states and 198 transitions. [2021-11-13 21:59:50,509 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 198 transitions. [2021-11-13 21:59:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:50,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:50,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:59:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 123 states and 195 transitions. [2021-11-13 21:59:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2021-11-13 21:59:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:52,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:52,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:59:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 123 states and 194 transitions. [2021-11-13 21:59:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 194 transitions. [2021-11-13 21:59:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:59:53,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:53,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:59:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 122 states and 188 transitions. [2021-11-13 21:59:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 188 transitions. [2021-11-13 21:59:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:59:56,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:56,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:59:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 122 states and 187 transitions. [2021-11-13 21:59:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2021-11-13 21:59:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:59:58,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:58,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:00:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:21,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 132 states and 209 transitions. [2021-11-13 22:00:21,194 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 209 transitions. [2021-11-13 22:00:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:21,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:21,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:00:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:23,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 134 states and 213 transitions. [2021-11-13 22:00:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2021-11-13 22:00:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:23,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:23,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:00:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 146 states and 241 transitions. [2021-11-13 22:00:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 241 transitions. [2021-11-13 22:00:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:00:49,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:49,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:01:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 150 states and 250 transitions. [2021-11-13 22:01:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 250 transitions. [2021-11-13 22:01:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:01:00,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:00,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:01:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 152 states and 257 transitions. [2021-11-13 22:01:04,431 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 257 transitions. [2021-11-13 22:01:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:01:04,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:04,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:01:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2021-11-13 22:01:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2021-11-13 22:01:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:01:05,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:05,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:01:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 158 states and 266 transitions. [2021-11-13 22:01:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 266 transitions. [2021-11-13 22:01:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:01:07,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:07,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:01:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 160 states and 269 transitions. [2021-11-13 22:01:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 269 transitions. [2021-11-13 22:01:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:01:11,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:11,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:01:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2021-11-13 22:01:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2021-11-13 22:01:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:01:26,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:26,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 22:01:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 162 states and 271 transitions. [2021-11-13 22:01:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 271 transitions. [2021-11-13 22:01:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:01:28,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:28,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:01:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 174 states and 295 transitions. [2021-11-13 22:01:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 295 transitions. [2021-11-13 22:01:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:01:40,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:40,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:01:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 186 states and 319 transitions. [2021-11-13 22:01:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 319 transitions. [2021-11-13 22:01:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:01:56,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:56,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:02:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 188 states and 324 transitions. [2021-11-13 22:02:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 324 transitions. [2021-11-13 22:02:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:02:03,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:03,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:03,528 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:02:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 190 states and 327 transitions. [2021-11-13 22:02:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 327 transitions. [2021-11-13 22:02:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:02:07,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:07,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 22:02:17,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 194 states and 334 transitions. [2021-11-13 22:02:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 334 transitions. [2021-11-13 22:02:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:02:17,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:17,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 22:02:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 196 states and 340 transitions. [2021-11-13 22:02:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 340 transitions. [2021-11-13 22:02:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:02:22,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:22,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:02:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 198 states and 343 transitions. [2021-11-13 22:02:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 343 transitions. [2021-11-13 22:02:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:02:26,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:26,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:02:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:30,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 200 states and 346 transitions. [2021-11-13 22:02:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 346 transitions. [2021-11-13 22:02:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:02:30,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:30,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:02:35,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 203 states and 352 transitions. [2021-11-13 22:02:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 352 transitions. [2021-11-13 22:02:35,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:02:35,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:35,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:03:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 213 states and 379 transitions. [2021-11-13 22:03:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 379 transitions. [2021-11-13 22:03:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:03:06,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:06,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 22:03:08,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 213 states and 378 transitions. [2021-11-13 22:03:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 378 transitions. [2021-11-13 22:03:08,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:03:08,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:08,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:03:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:11,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 215 states and 382 transitions. [2021-11-13 22:03:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 382 transitions. [2021-11-13 22:03:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:03:11,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:11,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:12,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:03:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 218 states and 387 transitions. [2021-11-13 22:03:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 387 transitions. [2021-11-13 22:03:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:03:17,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:17,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:03:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 219 states and 388 transitions. [2021-11-13 22:03:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 388 transitions. [2021-11-13 22:03:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:03:17,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:17,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:03:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 220 states and 389 transitions. [2021-11-13 22:03:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 389 transitions. [2021-11-13 22:03:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:03:20,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:20,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:20,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:03:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 219 states and 387 transitions. [2021-11-13 22:03:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 387 transitions. [2021-11-13 22:03:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:03:22,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:22,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:04:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 240 states and 434 transitions. [2021-11-13 22:04:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 434 transitions. [2021-11-13 22:04:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:04:27,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:27,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:04:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 242 states and 437 transitions. [2021-11-13 22:04:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 437 transitions. [2021-11-13 22:04:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:04:32,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:32,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 22:04:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 244 states and 441 transitions. [2021-11-13 22:04:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 441 transitions. [2021-11-13 22:04:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:04:41,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:41,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:05:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 252 states and 459 transitions. [2021-11-13 22:05:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 459 transitions. [2021-11-13 22:05:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:05:05,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:05,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:05:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 254 states and 461 transitions. [2021-11-13 22:05:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 461 transitions. [2021-11-13 22:05:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:05:08,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:08,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:05:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 257 states and 467 transitions. [2021-11-13 22:05:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 467 transitions. [2021-11-13 22:05:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:05:14,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:14,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:05:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 260 states and 474 transitions. [2021-11-13 22:05:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 474 transitions. [2021-11-13 22:05:27,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:05:27,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:27,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 22:05:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 262 states and 477 transitions. [2021-11-13 22:05:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 477 transitions. [2021-11-13 22:05:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:05:32,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:32,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:05:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 264 states and 480 transitions. [2021-11-13 22:05:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 480 transitions. [2021-11-13 22:05:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:05:59,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:59,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-13 22:06:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 264 states and 479 transitions. [2021-11-13 22:06:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 479 transitions. [2021-11-13 22:06:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:06:02,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:02,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:07:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 276 states and 513 transitions. [2021-11-13 22:07:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 513 transitions. [2021-11-13 22:07:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:05,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:07:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 281 states and 525 transitions. [2021-11-13 22:07:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 525 transitions. [2021-11-13 22:07:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:12,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:12,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:07:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 285 states and 535 transitions. [2021-11-13 22:07:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 535 transitions. [2021-11-13 22:07:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:28,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:28,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:07:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 287 states and 542 transitions. [2021-11-13 22:07:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 542 transitions. [2021-11-13 22:07:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:35,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:35,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 289 states and 545 transitions. [2021-11-13 22:07:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 545 transitions. [2021-11-13 22:07:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:41,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:41,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:07:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 291 states and 551 transitions. [2021-11-13 22:07:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 551 transitions. [2021-11-13 22:07:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:51,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:51,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:08:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 293 states and 553 transitions. [2021-11-13 22:08:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 553 transitions. [2021-11-13 22:08:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:08:02,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:02,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:08:09,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 295 states and 556 transitions. [2021-11-13 22:08:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 556 transitions. [2021-11-13 22:08:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:08:09,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:09,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-13 22:08:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 297 states and 559 transitions. [2021-11-13 22:08:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 559 transitions. [2021-11-13 22:08:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:08:15,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:15,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-13 22:08:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 303 states and 570 transitions. [2021-11-13 22:08:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 570 transitions. [2021-11-13 22:08:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:08:33,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:33,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-13 22:08:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 305 states and 573 transitions. [2021-11-13 22:08:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 573 transitions. [2021-11-13 22:08:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:08:39,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:39,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-13 22:08:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 307 states and 577 transitions. [2021-11-13 22:08:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 577 transitions. [2021-11-13 22:08:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:08:47,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:47,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:08:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 309 states and 581 transitions. [2021-11-13 22:08:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 581 transitions. [2021-11-13 22:08:50,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:08:50,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:50,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:09:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 319 states and 603 transitions. [2021-11-13 22:09:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 603 transitions. [2021-11-13 22:09:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:09:25,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:25,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 5 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.