./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:19:22,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:19:22,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:19:22,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:19:22,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:19:22,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:19:22,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:19:22,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:19:22,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:19:22,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:19:22,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:19:22,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:19:22,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:19:22,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:19:22,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:19:22,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:19:22,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:19:22,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:19:22,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:19:22,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:19:22,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:19:22,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:19:22,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:19:22,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:19:22,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:19:22,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:19:22,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:19:22,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:19:22,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:19:22,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:19:22,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:19:22,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:19:22,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:19:22,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:19:22,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:19:22,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:19:22,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:19:22,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:19:22,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:19:22,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:19:22,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:19:22,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-22 23:19:22,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:19:22,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:19:22,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:19:22,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:19:22,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:19:22,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:19:22,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:19:22,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:19:22,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:19:22,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:19:22,921 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:19:22,921 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:19:22,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:19:22,922 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:19:22,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:19:22,922 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:19:22,922 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:19:22,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:19:22,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:19:22,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:19:22,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:19:22,924 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:19:22,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:19:22,924 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_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb [2021-11-22 23:19:23,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:19:23,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:19:23,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:19:23,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:19:23,276 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:19:23,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/sll-buckets-2.i [2021-11-22 23:19:23,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/data/b63ae655c/4e2b1421ec7c40a0b581ae6d3f5671b0/FLAG37942b286 [2021-11-22 23:19:24,021 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:19:24,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i [2021-11-22 23:19:24,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/data/b63ae655c/4e2b1421ec7c40a0b581ae6d3f5671b0/FLAG37942b286 [2021-11-22 23:19:24,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/data/b63ae655c/4e2b1421ec7c40a0b581ae6d3f5671b0 [2021-11-22 23:19:24,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:19:24,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:19:24,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:24,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:19:24,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:19:24,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638ed2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24, skipping insertion in model container [2021-11-22 23:19:24,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:19:24,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:19:24,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22663,22676] [2021-11-22 23:19:24,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22734,22747] [2021-11-22 23:19:24,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22862,22875] [2021-11-22 23:19:24,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23275,23288] [2021-11-22 23:19:24,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23364,23377] [2021-11-22 23:19:24,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:24,811 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:19:24,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22663,22676] [2021-11-22 23:19:24,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22734,22747] [2021-11-22 23:19:24,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22862,22875] [2021-11-22 23:19:24,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23275,23288] [2021-11-22 23:19:24,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23364,23377] [2021-11-22 23:19:24,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:24,892 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:19:24,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24 WrapperNode [2021-11-22 23:19:24,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:24,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:24,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:19:24,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:19:24,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,951 INFO L137 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 161 [2021-11-22 23:19:24,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:24,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:19:24,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:19:24,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:19:24,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:24,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:19:24,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:19:24,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:19:24,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:19:24,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:24" (1/1) ... [2021-11-22 23:19:25,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:19:25,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:19:25,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:19:25,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73202fd8-8482-48bd-9265-514e4f4312fe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:19:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:19:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:19:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:19:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:19:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:19:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:19:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:19:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:19:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:19:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:19:25,314 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:19:25,331 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:19:25,857 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:19:25,962 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:19:25,962 INFO L301 CfgBuilder]: Removed 15 assume(true) statements. [2021-11-22 23:19:25,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:25 BoogieIcfgContainer [2021-11-22 23:19:25,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:19:25,975 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:19:25,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:19:25,989 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:19:25,989 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:25" (1/1) ... [2021-11-22 23:19:26,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:19:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 138 states and 163 transitions. [2021-11-22 23:19:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2021-11-22 23:19:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:19:26,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 137 states and 162 transitions. [2021-11-22 23:19:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2021-11-22 23:19:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:19:26,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 136 states and 161 transitions. [2021-11-22 23:19:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2021-11-22 23:19:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:19:26,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 135 states and 160 transitions. [2021-11-22 23:19:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2021-11-22 23:19:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:19:26,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 159 transitions. [2021-11-22 23:19:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2021-11-22 23:19:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:19:26,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 133 states and 158 transitions. [2021-11-22 23:19:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2021-11-22 23:19:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:19:26,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 132 states and 157 transitions. [2021-11-22 23:19:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2021-11-22 23:19:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:19:27,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 131 states and 156 transitions. [2021-11-22 23:19:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2021-11-22 23:19:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:19:27,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 130 states and 155 transitions. [2021-11-22 23:19:27,324 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2021-11-22 23:19:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:19:27,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 129 states and 154 transitions. [2021-11-22 23:19:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 154 transitions. [2021-11-22 23:19:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:19:27,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 128 states and 153 transitions. [2021-11-22 23:19:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 153 transitions. [2021-11-22 23:19:28,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:19:28,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 127 states and 152 transitions. [2021-11-22 23:19:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2021-11-22 23:19:28,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:19:28,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 126 states and 151 transitions. [2021-11-22 23:19:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 151 transitions. [2021-11-22 23:19:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:19:29,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 125 states and 150 transitions. [2021-11-22 23:19:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 150 transitions. [2021-11-22 23:19:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:19:29,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 124 states and 149 transitions. [2021-11-22 23:19:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-22 23:19:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:19:29,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 123 states and 148 transitions. [2021-11-22 23:19:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2021-11-22 23:19:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:19:29,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 122 states and 147 transitions. [2021-11-22 23:19:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 147 transitions. [2021-11-22 23:19:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:19:29,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 121 states and 146 transitions. [2021-11-22 23:19:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-22 23:19:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:19:30,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2021-11-22 23:19:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2021-11-22 23:19:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:19:31,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 119 states and 144 transitions. [2021-11-22 23:19:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 144 transitions. [2021-11-22 23:19:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:19:31,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 118 states and 143 transitions. [2021-11-22 23:19:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2021-11-22 23:19:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:31,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 117 states and 142 transitions. [2021-11-22 23:19:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2021-11-22 23:19:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:31,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 141 transitions. [2021-11-22 23:19:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2021-11-22 23:19:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:19:31,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 115 states and 139 transitions. [2021-11-22 23:19:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2021-11-22 23:19:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:19:31,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 114 states and 138 transitions. [2021-11-22 23:19:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2021-11-22 23:19:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:19:32,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 118 states and 146 transitions. [2021-11-22 23:19:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 146 transitions. [2021-11-22 23:19:34,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:19:34,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 123 states and 156 transitions. [2021-11-22 23:19:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2021-11-22 23:19:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:19:36,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 128 states and 165 transitions. [2021-11-22 23:19:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 165 transitions. [2021-11-22 23:19:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:19:39,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 127 states and 164 transitions. [2021-11-22 23:19:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 164 transitions. [2021-11-22 23:19:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:19:39,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 126 states and 163 transitions. [2021-11-22 23:19:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-11-22 23:19:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:39,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 127 states and 166 transitions. [2021-11-22 23:19:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2021-11-22 23:19:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:39,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 127 states and 165 transitions. [2021-11-22 23:19:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 165 transitions. [2021-11-22 23:19:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:40,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 126 states and 164 transitions. [2021-11-22 23:19:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2021-11-22 23:19:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:40,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 125 states and 163 transitions. [2021-11-22 23:19:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 163 transitions. [2021-11-22 23:19:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:40,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:40,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 124 states and 162 transitions. [2021-11-22 23:19:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2021-11-22 23:19:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:40,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 123 states and 161 transitions. [2021-11-22 23:19:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2021-11-22 23:19:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:19:40,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 130 states and 174 transitions. [2021-11-22 23:19:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 174 transitions. [2021-11-22 23:19:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:19:49,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 135 states and 179 transitions. [2021-11-22 23:19:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 179 transitions. [2021-11-22 23:19:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:19:49,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 133 states and 174 transitions. [2021-11-22 23:19:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 174 transitions. [2021-11-22 23:19:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:19:49,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 135 states and 176 transitions. [2021-11-22 23:19:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2021-11-22 23:19:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:19:49,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 136 states and 176 transitions. [2021-11-22 23:19:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 176 transitions. [2021-11-22 23:19:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:19:49,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 140 states and 180 transitions. [2021-11-22 23:19:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-11-22 23:19:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:51,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 145 states and 186 transitions. [2021-11-22 23:19:51,655 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 186 transitions. [2021-11-22 23:19:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:51,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 150 states and 192 transitions. [2021-11-22 23:19:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 192 transitions. [2021-11-22 23:19:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:52,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:52,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 150 states and 191 transitions. [2021-11-22 23:19:52,149 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 191 transitions. [2021-11-22 23:19:52,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:52,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:52,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 148 states and 188 transitions. [2021-11-22 23:19:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2021-11-22 23:19:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:52,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:52,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 157 states and 203 transitions. [2021-11-22 23:19:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 203 transitions. [2021-11-22 23:19:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:54,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 168 states and 224 transitions. [2021-11-22 23:20:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 224 transitions. [2021-11-22 23:20:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:00,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:00,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 169 states and 225 transitions. [2021-11-22 23:20:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 225 transitions. [2021-11-22 23:20:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:01,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 171 states and 227 transitions. [2021-11-22 23:20:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 227 transitions. [2021-11-22 23:20:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:01,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 173 states and 229 transitions. [2021-11-22 23:20:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 229 transitions. [2021-11-22 23:20:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:01,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 174 states and 229 transitions. [2021-11-22 23:20:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 229 transitions. [2021-11-22 23:20:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:01,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 175 states and 229 transitions. [2021-11-22 23:20:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2021-11-22 23:20:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:01,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:03,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 178 states and 235 transitions. [2021-11-22 23:20:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2021-11-22 23:20:03,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:03,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:03,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 244 transitions. [2021-11-22 23:20:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2021-11-22 23:20:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:20:07,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:19,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 197 states and 264 transitions. [2021-11-22 23:20:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 264 transitions. [2021-11-22 23:20:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:20:19,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:19,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 200 states and 273 transitions. [2021-11-22 23:20:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 273 transitions. [2021-11-22 23:20:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:20:21,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:21,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 202 states and 277 transitions. [2021-11-22 23:20:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 277 transitions. [2021-11-22 23:20:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:20:22,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:22,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 205 states and 287 transitions. [2021-11-22 23:20:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 287 transitions. [2021-11-22 23:20:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:20:23,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:23,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 205 states and 285 transitions. [2021-11-22 23:20:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 285 transitions. [2021-11-22 23:20:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:20:23,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:23,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 209 states and 295 transitions. [2021-11-22 23:20:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 295 transitions. [2021-11-22 23:20:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:20:25,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 223 states and 324 transitions. [2021-11-22 23:20:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 324 transitions. [2021-11-22 23:20:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:20:43,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 238 states and 357 transitions. [2021-11-22 23:21:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 357 transitions. [2021-11-22 23:21:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:05,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 252 states and 386 transitions. [2021-11-22 23:21:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 386 transitions. [2021-11-22 23:21:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:20,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 266 states and 410 transitions. [2021-11-22 23:21:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 410 transitions. [2021-11-22 23:21:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:37,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 280 states and 432 transitions. [2021-11-22 23:22:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 432 transitions. [2021-11-22 23:22:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:04,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:04,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 282 states and 434 transitions. [2021-11-22 23:22:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 434 transitions. [2021-11-22 23:22:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:06,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:06,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 284 states and 436 transitions. [2021-11-22 23:22:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 436 transitions. [2021-11-22 23:22:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:08,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:08,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:09,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 285 states and 436 transitions. [2021-11-22 23:22:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 436 transitions. [2021-11-22 23:22:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:09,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:09,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:11,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 286 states and 436 transitions. [2021-11-22 23:22:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 436 transitions. [2021-11-22 23:22:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:11,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:11,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 289 states and 440 transitions. [2021-11-22 23:22:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 440 transitions. [2021-11-22 23:22:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:11,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:11,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 292 states and 443 transitions. [2021-11-22 23:22:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 443 transitions. [2021-11-22 23:22:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:11,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:11,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 293 states and 445 transitions. [2021-11-22 23:22:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 445 transitions. [2021-11-22 23:22:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:14,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:14,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 294 states and 447 transitions. [2021-11-22 23:22:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 447 transitions. [2021-11-22 23:22:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:15,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 297 states and 453 transitions. [2021-11-22 23:22:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 453 transitions. [2021-11-22 23:22:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:22:18,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 296 states and 452 transitions. [2021-11-22 23:22:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 452 transitions. [2021-11-22 23:22:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:22:18,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 298 states and 455 transitions. [2021-11-22 23:22:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 455 transitions. [2021-11-22 23:22:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:22:18,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 297 states and 454 transitions. [2021-11-22 23:22:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 454 transitions. [2021-11-22 23:22:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:22:18,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 298 states and 466 transitions. [2021-11-22 23:22:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 466 transitions. [2021-11-22 23:22:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:22:18,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 312 states and 490 transitions. [2021-11-22 23:22:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 490 transitions. [2021-11-22 23:22:56,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:22:56,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 327 states and 514 transitions. [2021-11-22 23:23:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 514 transitions. [2021-11-22 23:23:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:23:17,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:17,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:48,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 341 states and 548 transitions. [2021-11-22 23:23:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 548 transitions. [2021-11-22 23:23:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:23:48,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:48,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 355 states and 583 transitions. [2021-11-22 23:24:21,926 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 583 transitions. [2021-11-22 23:24:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:21,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:21,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 368 states and 613 transitions. [2021-11-22 23:24:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 613 transitions. [2021-11-22 23:24:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:49,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 369 states and 616 transitions. [2021-11-22 23:24:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 616 transitions. [2021-11-22 23:24:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:51,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 370 states and 624 transitions. [2021-11-22 23:24:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 624 transitions. [2021-11-22 23:24:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:24:55,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 372 states and 626 transitions. [2021-11-22 23:25:02,888 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 626 transitions. [2021-11-22 23:25:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:02,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 383 states and 651 transitions. [2021-11-22 23:25:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 651 transitions. [2021-11-22 23:25:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:18,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 392 states and 669 transitions. [2021-11-22 23:25:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 669 transitions. [2021-11-22 23:25:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:30,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 394 states and 671 transitions. [2021-11-22 23:25:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 671 transitions. [2021-11-22 23:25:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:33,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 396 states and 673 transitions. [2021-11-22 23:25:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 673 transitions. [2021-11-22 23:25:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:37,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 397 states and 679 transitions. [2021-11-22 23:25:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 679 transitions. [2021-11-22 23:25:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:42,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:42,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:47,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 398 states and 681 transitions. [2021-11-22 23:25:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 681 transitions. [2021-11-22 23:25:47,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:47,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:47,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 399 states and 681 transitions. [2021-11-22 23:25:53,516 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 681 transitions. [2021-11-22 23:25:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:53,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:53,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 400 states and 681 transitions. [2021-11-22 23:25:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 681 transitions. [2021-11-22 23:25:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:55,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:55,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:26:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 408 states and 702 transitions. [2021-11-22 23:26:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 702 transitions. [2021-11-22 23:26:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:03,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:03,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 416 states and 736 transitions. [2021-11-22 23:26:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 736 transitions. [2021-11-22 23:26:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:15,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:15,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 424 states and 757 transitions. [2021-11-22 23:26:26,674 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 757 transitions. [2021-11-22 23:26:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:26,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:26,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 437 states and 787 transitions. [2021-11-22 23:27:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 787 transitions. [2021-11-22 23:27:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:27:18,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:18,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 451 states and 815 transitions. [2021-11-22 23:28:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 815 transitions. [2021-11-22 23:28:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:28:20,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:20,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:28:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 452 states and 818 transitions. [2021-11-22 23:28:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 818 transitions. [2021-11-22 23:28:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:28:22,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:22,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:28:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 453 states and 821 transitions. [2021-11-22 23:28:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 821 transitions. [2021-11-22 23:28:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:28:24,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:24,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 466 states and 852 transitions. [2021-11-22 23:29:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 852 transitions. [2021-11-22 23:29:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:29:00,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:00,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 484 states and 904 transitions. [2021-11-22 23:30:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 904 transitions. [2021-11-22 23:30:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:30:22,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:22,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 487 states and 916 transitions. [2021-11-22 23:30:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 916 transitions. [2021-11-22 23:30:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:30:34,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:34,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 488 states and 918 transitions. [2021-11-22 23:30:39,860 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 918 transitions. [2021-11-22 23:30:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:30:39,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:39,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 490 states and 921 transitions. [2021-11-22 23:30:48,730 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 921 transitions. [2021-11-22 23:30:48,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:30:48,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:48,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 491 states and 924 transitions. [2021-11-22 23:30:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 924 transitions. [2021-11-22 23:30:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:30:54,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:54,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 492 states and 927 transitions. [2021-11-22 23:30:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 927 transitions. [2021-11-22 23:30:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:30:59,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:59,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.