./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL --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 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:31:53,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:31:53,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:31:53,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:31:53,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:31:53,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:31:53,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:31:53,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:31:53,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:31:53,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:31:53,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:31:53,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:31:53,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:31:53,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:31:53,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:31:53,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:31:53,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:31:53,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:31:53,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:31:53,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:31:53,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:31:53,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:31:53,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:31:53,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:31:53,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:31:53,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:31:53,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:31:53,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:31:53,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:31:53,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:31:53,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:31:53,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:31:53,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:31:53,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:31:53,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:31:53,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:31:53,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:31:53,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:31:53,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:31:53,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:31:53,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:31:53,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-25 07:31:53,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:31:53,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:31:53,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:31:53,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:31:53,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:31:53,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:31:53,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:31:53,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:31:53,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:31:53,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:31:53,554 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 07:31:53,554 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 07:31:53,554 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 07:31:53,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:31:53,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:31:53,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:31:53,555 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:31:53,555 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:31:53,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:31:53,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:31:53,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:31:53,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:31:53,556 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:31:53,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:31:53,557 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_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 [2021-11-25 07:31:53,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:31:53,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:31:53,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:31:53,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:31:53,901 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:31:53,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-25 07:31:53,977 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/data/e50d433d2/3479140cfa624afc95a8135ad0b30541/FLAG2046e063a [2021-11-25 07:31:54,607 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:31:54,607 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-25 07:31:54,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/data/e50d433d2/3479140cfa624afc95a8135ad0b30541/FLAG2046e063a [2021-11-25 07:31:54,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/data/e50d433d2/3479140cfa624afc95a8135ad0b30541 [2021-11-25 07:31:54,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:31:54,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:31:54,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:31:54,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:31:54,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:31:54,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:31:54" (1/1) ... [2021-11-25 07:31:54,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3252cb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:54, skipping insertion in model container [2021-11-25 07:31:54,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:31:54" (1/1) ... [2021-11-25 07:31:54,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:31:54,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:31:55,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:31:55,211 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:31:55,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:31:55,294 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:31:55,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55 WrapperNode [2021-11-25 07:31:55,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:31:55,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:31:55,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:31:55,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:31:55,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,360 INFO L137 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-25 07:31:55,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:31:55,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:31:55,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:31:55,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:31:55,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:31:55,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:31:55,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:31:55,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:31:55,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:31:55,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:31:55,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:31:55,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c170ee79-3444-4758-ad7f-81cf02a5a71a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:31:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:31:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:31:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:31:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:31:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:31:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:31:55,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:31:55,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:31:55,879 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:31:55,927 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:31:55,928 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:31:55,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:31:55 BoogieIcfgContainer [2021-11-25 07:31:55,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:31:55,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:31:55,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:31:55,941 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:31:55,941 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:31:55" (1/1) ... [2021-11-25 07:31:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:31:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-25 07:31:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-25 07:31:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:31:56,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:56,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:56,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:56,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-25 07:31:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-25 07:31:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:31:56,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:56,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-25 07:31:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-25 07:31:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:31:56,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:56,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:56,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-25 07:31:56,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-25 07:31:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:31:56,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:56,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-25 07:31:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-25 07:31:56,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:31:56,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:56,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-25 07:31:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-25 07:31:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:31:57,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:57,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-25 07:31:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-25 07:31:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:31:57,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:57,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-25 07:31:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-25 07:31:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:31:57,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:57,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2021-11-25 07:31:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2021-11-25 07:31:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:31:58,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:58,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2021-11-25 07:31:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2021-11-25 07:31:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:31:59,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:59,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-25 07:32:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-25 07:32:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:32:00,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:00,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:01,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-11-25 07:32:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-11-25 07:32:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:32:01,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:01,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2021-11-25 07:32:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2021-11-25 07:32:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:32:02,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:02,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:03,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-25 07:32:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-25 07:32:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:32:03,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:03,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2021-11-25 07:32:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2021-11-25 07:32:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:32:04,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:04,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:05,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-25 07:32:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-25 07:32:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:32:05,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:05,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2021-11-25 07:32:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2021-11-25 07:32:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:32:07,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:07,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:11,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2021-11-25 07:32:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2021-11-25 07:32:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:32:11,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:11,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-11-25 07:32:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-25 07:32:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:32:12,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:12,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:12,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2021-11-25 07:32:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2021-11-25 07:32:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:32:13,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:13,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2021-11-25 07:32:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2021-11-25 07:32:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:32:13,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:13,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2021-11-25 07:32:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2021-11-25 07:32:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:32:15,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:15,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2021-11-25 07:32:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2021-11-25 07:32:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:32:19,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:19,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2021-11-25 07:32:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2021-11-25 07:32:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:32:19,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:19,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-25 07:32:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-25 07:32:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:32:23,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:23,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2021-11-25 07:32:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2021-11-25 07:32:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:32:25,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:25,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2021-11-25 07:32:25,808 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2021-11-25 07:32:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:32:25,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:25,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2021-11-25 07:32:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2021-11-25 07:32:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:32:34,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:34,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:32:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 59 states and 106 transitions. [2021-11-25 07:32:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2021-11-25 07:32:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:32:37,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:37,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:32:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2021-11-25 07:32:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2021-11-25 07:32:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:32:40,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:40,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2021-11-25 07:32:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2021-11-25 07:32:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:32:42,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:42,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:32:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2021-11-25 07:32:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2021-11-25 07:32:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:32:47,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:47,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:32:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2021-11-25 07:32:48,567 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2021-11-25 07:32:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:32:48,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:48,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 105 transitions. [2021-11-25 07:32:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 105 transitions. [2021-11-25 07:32:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:32:55,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:55,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:59,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2021-11-25 07:32:59,374 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2021-11-25 07:32:59,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:32:59,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:59,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 07:33:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2021-11-25 07:33:01,421 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2021-11-25 07:33:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:33:01,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:01,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:33:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 70 states and 116 transitions. [2021-11-25 07:33:09,998 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 116 transitions. [2021-11-25 07:33:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:33:09,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:09,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 07:33:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 73 states and 122 transitions. [2021-11-25 07:33:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 122 transitions. [2021-11-25 07:33:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:33:12,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:12,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 07:33:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 121 transitions. [2021-11-25 07:33:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 121 transitions. [2021-11-25 07:33:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:33:13,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:13,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:33:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 84 states and 149 transitions. [2021-11-25 07:33:33,821 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 149 transitions. [2021-11-25 07:33:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:33:33,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:33,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 07:33:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 83 states and 147 transitions. [2021-11-25 07:33:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 147 transitions. [2021-11-25 07:33:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:33:34,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:34,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 07:33:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 86 states and 155 transitions. [2021-11-25 07:33:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 155 transitions. [2021-11-25 07:33:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:33:38,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:38,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:41,138 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:33:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 92 states and 166 transitions. [2021-11-25 07:33:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2021-11-25 07:33:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:33:50,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:50,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 07:33:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 94 states and 170 transitions. [2021-11-25 07:33:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 170 transitions. [2021-11-25 07:33:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 07:33:52,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:52,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:34:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 100 states and 182 transitions. [2021-11-25 07:34:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 182 transitions. [2021-11-25 07:34:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:34:10,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:10,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:34:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 106 states and 194 transitions. [2021-11-25 07:34:27,675 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 194 transitions. [2021-11-25 07:34:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:34:27,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:27,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 07:34:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 107 states and 194 transitions. [2021-11-25 07:34:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 194 transitions. [2021-11-25 07:34:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:34:29,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:29,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:34:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 113 states and 205 transitions. [2021-11-25 07:34:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 205 transitions. [2021-11-25 07:34:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:34:37,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:37,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:34:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 122 states and 225 transitions. [2021-11-25 07:34:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 225 transitions. [2021-11-25 07:34:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:34:57,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:57,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 128 states and 237 transitions. [2021-11-25 07:35:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 237 transitions. [2021-11-25 07:35:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:35:07,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:07,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 134 states and 248 transitions. [2021-11-25 07:35:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2021-11-25 07:35:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:35:22,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:22,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 140 states and 259 transitions. [2021-11-25 07:35:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 259 transitions. [2021-11-25 07:35:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:35:33,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:33,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 146 states and 269 transitions. [2021-11-25 07:35:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 269 transitions. [2021-11-25 07:35:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:35:57,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:57,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:36:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 152 states and 281 transitions. [2021-11-25 07:36:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 281 transitions. [2021-11-25 07:36:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:36:11,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:11,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-25 07:36:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 153 states and 281 transitions. [2021-11-25 07:36:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 281 transitions. [2021-11-25 07:36:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:36:13,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:13,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:36:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 159 states and 292 transitions. [2021-11-25 07:36:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 292 transitions. [2021-11-25 07:36:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:36:43,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:43,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:36:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 165 states and 303 transitions. [2021-11-25 07:36:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 303 transitions. [2021-11-25 07:36:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:36:54,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:54,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 171 states and 314 transitions. [2021-11-25 07:37:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 314 transitions. [2021-11-25 07:37:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:37:07,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:07,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 177 states and 325 transitions. [2021-11-25 07:37:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 325 transitions. [2021-11-25 07:37:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:37:18,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:18,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:46,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 186 states and 347 transitions. [2021-11-25 07:37:46,681 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 347 transitions. [2021-11-25 07:37:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:37:46,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:46,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:37:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 192 states and 359 transitions. [2021-11-25 07:37:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 359 transitions. [2021-11-25 07:37:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:37:58,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:58,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:38:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:38:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 198 states and 371 transitions. [2021-11-25 07:38:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 371 transitions. [2021-11-25 07:38:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:38:10,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:38:10,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:38:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:38:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:38:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:38:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 204 states and 383 transitions. [2021-11-25 07:38:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 383 transitions. [2021-11-25 07:38:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:38:24,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:38:24,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:38:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:38:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:38:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:38:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 210 states and 394 transitions. [2021-11-25 07:38:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 394 transitions. [2021-11-25 07:38:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:38:43,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:38:43,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:38:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:38:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:38:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:38:56,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 216 states and 405 transitions. [2021-11-25 07:38:56,103 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 405 transitions. [2021-11-25 07:38:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:38:56,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:38:56,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:38:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:38:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:39:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:39:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 222 states and 416 transitions. [2021-11-25 07:39:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 416 transitions. [2021-11-25 07:39:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:39:09,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:39:09,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:39:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:39:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:39:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:39:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 228 states and 427 transitions. [2021-11-25 07:39:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 427 transitions. [2021-11-25 07:39:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:39:25,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:39:25,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:39:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:39:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:40:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:40:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 234 states and 437 transitions. [2021-11-25 07:40:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 437 transitions. [2021-11-25 07:40:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:40:02,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:40:02,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:40:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:40:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:40:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:40:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 240 states and 448 transitions. [2021-11-25 07:40:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 448 transitions. [2021-11-25 07:40:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:40:20,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:40:20,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:40:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:40:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:40:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:40:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 246 states and 459 transitions. [2021-11-25 07:40:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 459 transitions. [2021-11-25 07:40:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:40:35,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:40:35,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:40:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:40:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:40:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:40:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 252 states and 471 transitions. [2021-11-25 07:40:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 471 transitions. [2021-11-25 07:40:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:40:54,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:40:54,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:40:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:41:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:41:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:41:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 258 states and 482 transitions. [2021-11-25 07:41:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 482 transitions. [2021-11-25 07:41:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:41:47,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:41:47,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:41:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:41:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:42:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:42:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 264 states and 493 transitions. [2021-11-25 07:42:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 493 transitions. [2021-11-25 07:42:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:42:03,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:42:03,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:42:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:42:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:42:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:42:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 270 states and 504 transitions. [2021-11-25 07:42:18,712 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 504 transitions. [2021-11-25 07:42:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:42:18,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:42:18,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:42:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:42:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:42:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:42:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 276 states and 515 transitions. [2021-11-25 07:42:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 515 transitions. [2021-11-25 07:42:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:42:34,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:42:34,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:42:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:42:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:42:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:42:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 282 states and 526 transitions. [2021-11-25 07:42:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 526 transitions. [2021-11-25 07:42:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:42:49,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:42:49,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:42:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:42:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:43:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:43:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 288 states and 537 transitions. [2021-11-25 07:43:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 537 transitions. [2021-11-25 07:43:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:43:04,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:43:04,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:43:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:43:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:43:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:43:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 294 states and 548 transitions. [2021-11-25 07:43:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 548 transitions. [2021-11-25 07:43:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:43:19,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:43:19,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:43:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:43:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:43:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:43:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 300 states and 559 transitions. [2021-11-25 07:43:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 559 transitions. [2021-11-25 07:43:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:43:39,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:43:39,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:43:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:43:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.