./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-reverse_simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-reverse_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7651578256dc791e0a036690d99e12094845a58f582fb99f9abee48c7c5dfba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:11:57,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:11:57,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:11:57,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:11:57,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:11:57,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:11:57,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:11:57,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:11:57,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:11:57,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:11:57,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:11:57,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:11:57,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:11:57,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:11:57,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:11:57,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:11:57,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:11:57,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:11:57,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:11:57,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:11:57,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:11:57,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:11:57,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:11:57,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:11:57,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:11:57,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:11:57,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:11:57,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:11:57,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:11:57,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:11:57,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:11:57,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:11:57,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:11:57,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:11:57,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:11:57,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:11:57,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:11:57,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:11:57,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:11:57,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:11:57,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:11:57,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:11:57,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:11:57,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:11:57,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:11:57,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:11:57,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:11:57,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:11:57,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:11:57,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:11:57,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:11:57,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:11:57,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:11:57,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:11:57,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:11:57,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:11:57,965 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:11:57,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:11:57,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:11:57,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:11:57,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:11:57,967 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:11:57,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:11:57,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:11:57,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:11:57,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:11:57,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:11:57,968 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:11:57,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:11:57,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:11:57,969 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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7651578256dc791e0a036690d99e12094845a58f582fb99f9abee48c7c5dfba [2021-11-22 23:11:58,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:11:58,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:11:58,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:11:58,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:11:58,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:11:58,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2021-11-22 23:11:58,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/data/c3ede2183/5046ac87ee144d8ab10b2067be098a77/FLAG8f3b9f70f [2021-11-22 23:11:59,218 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:11:59,219 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2021-11-22 23:11:59,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/data/c3ede2183/5046ac87ee144d8ab10b2067be098a77/FLAG8f3b9f70f [2021-11-22 23:11:59,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/data/c3ede2183/5046ac87ee144d8ab10b2067be098a77 [2021-11-22 23:11:59,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:11:59,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:11:59,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:11:59,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:11:59,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:11:59,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:11:59" (1/1) ... [2021-11-22 23:11:59,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d57f55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:59, skipping insertion in model container [2021-11-22 23:11:59,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:11:59" (1/1) ... [2021-11-22 23:11:59,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:11:59,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:11:59,945 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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22251,22264] [2021-11-22 23:11:59,949 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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22336,22349] [2021-11-22 23:11:59,956 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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22829,22842] [2021-11-22 23:11:59,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:11:59,969 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:12:00,009 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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22251,22264] [2021-11-22 23:12:00,011 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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22336,22349] [2021-11-22 23:12:00,017 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_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22829,22842] [2021-11-22 23:12:00,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:00,056 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:12:00,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00 WrapperNode [2021-11-22 23:12:00,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:00,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:00,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:12:00,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:12:00,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,139 INFO L137 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 136 [2021-11-22 23:12:00,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:00,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:12:00,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:12:00,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:12:00,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:12:00,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:12:00,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:12:00,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:12:00,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:12:00,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:12:00,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8a8fc7-c131-4ba5-b480-ba6fc9b1efc9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:12:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:12:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:12:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:12:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:12:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:12:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:12:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:12:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:12:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:12:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:12:00,410 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:12:00,412 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:12:00,773 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:12:00,899 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:12:00,900 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-22 23:12:00,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:00 BoogieIcfgContainer [2021-11-22 23:12:00,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:12:00,905 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:12:00,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:12:00,938 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:12:00,939 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:00" (1/1) ... [2021-11-22 23:12:00,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:12:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-11-22 23:12:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-11-22 23:12:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:12:01,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,296 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 23:12:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-22 23:12:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-22 23:12:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:12:01,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,447 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 23:12:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2021-11-22 23:12:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2021-11-22 23:12:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:12:01,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,687 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 23:12:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2021-11-22 23:12:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-22 23:12:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:12:02,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:02,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,177 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 23:12:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:02,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2021-11-22 23:12:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-11-22 23:12:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:12:02,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:02,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,641 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 23:12:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2021-11-22 23:12:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2021-11-22 23:12:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:03,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,442 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 23:12:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2021-11-22 23:12:04,785 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2021-11-22 23:12:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:04,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:04,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:05,295 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 23:12:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 90 transitions. [2021-11-22 23:12:06,395 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2021-11-22 23:12:06,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:06,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:06,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2021-11-22 23:12:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2021-11-22 23:12:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:07,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:07,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:07,413 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 23:12:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2021-11-22 23:12:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2021-11-22 23:12:07,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:07,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:07,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 62 states and 101 transitions. [2021-11-22 23:12:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 101 transitions. [2021-11-22 23:12:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:08,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:08,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2021-11-22 23:12:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2021-11-22 23:12:09,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:09,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:09,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2021-11-22 23:12:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2021-11-22 23:12:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:10,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:10,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:10,494 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 23:12:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2021-11-22 23:12:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2021-11-22 23:12:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:12,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:12,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2021-11-22 23:12:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2021-11-22 23:12:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:12:14,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:14,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:21,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 157 transitions. [2021-11-22 23:12:21,063 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 157 transitions. [2021-11-22 23:12:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:12:21,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:21,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:21,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:12:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 90 states and 163 transitions. [2021-11-22 23:12:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 163 transitions. [2021-11-22 23:12:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:12:21,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:21,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:12:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 93 states and 166 transitions. [2021-11-22 23:12:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 166 transitions. [2021-11-22 23:12:22,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:12:22,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:22,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:22,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:12:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 81 states and 153 transitions. [2021-11-22 23:12:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 153 transitions. [2021-11-22 23:12:23,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:12:23,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:23,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:12:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 82 states and 154 transitions. [2021-11-22 23:12:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 154 transitions. [2021-11-22 23:12:23,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:12:23,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:23,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 96 states and 216 transitions. [2021-11-22 23:12:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2021-11-22 23:12:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:34,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:34,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 107 states and 238 transitions. [2021-11-22 23:12:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 238 transitions. [2021-11-22 23:12:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:41,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:41,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 110 states and 241 transitions. [2021-11-22 23:12:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 241 transitions. [2021-11-22 23:12:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:43,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:43,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 121 states and 291 transitions. [2021-11-22 23:12:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 291 transitions. [2021-11-22 23:12:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:52,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:52,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 123 states and 299 transitions. [2021-11-22 23:12:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 299 transitions. [2021-11-22 23:12:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:12:53,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:53,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 133 states and 320 transitions. [2021-11-22 23:13:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 320 transitions. [2021-11-22 23:13:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:13:00,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:00,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 146 states and 376 transitions. [2021-11-22 23:13:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 376 transitions. [2021-11-22 23:13:10,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:10,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:10,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 162 states and 419 transitions. [2021-11-22 23:13:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 419 transitions. [2021-11-22 23:13:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:27,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:27,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:28,077 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 163 states and 424 transitions. [2021-11-22 23:13:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 424 transitions. [2021-11-22 23:13:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:29,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:29,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:31,844 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 23:13:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 175 states and 456 transitions. [2021-11-22 23:13:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 456 transitions. [2021-11-22 23:13:40,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:40,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:40,910 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 23:13:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 176 states and 472 transitions. [2021-11-22 23:13:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 472 transitions. [2021-11-22 23:13:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:42,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:43,202 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 23:13:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 178 states and 482 transitions. [2021-11-22 23:13:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 482 transitions. [2021-11-22 23:13:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:45,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 186 states and 505 transitions. [2021-11-22 23:13:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 505 transitions. [2021-11-22 23:13:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:53,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:53,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:53,724 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 187 states and 507 transitions. [2021-11-22 23:13:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 507 transitions. [2021-11-22 23:13:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:54,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:54,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 196 states and 541 transitions. [2021-11-22 23:14:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 541 transitions. [2021-11-22 23:14:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:06,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:06,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 197 states and 555 transitions. [2021-11-22 23:14:09,007 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 555 transitions. [2021-11-22 23:14:09,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:09,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:09,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 198 states and 565 transitions. [2021-11-22 23:14:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 565 transitions. [2021-11-22 23:14:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:11,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:11,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 201 states and 585 transitions. [2021-11-22 23:14:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 585 transitions. [2021-11-22 23:14:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:16,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 205 states and 606 transitions. [2021-11-22 23:14:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 606 transitions. [2021-11-22 23:14:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:30,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:30,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 214 states and 625 transitions. [2021-11-22 23:14:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 625 transitions. [2021-11-22 23:14:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:40,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:40,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:40,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 218 states and 637 transitions. [2021-11-22 23:14:46,824 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 637 transitions. [2021-11-22 23:14:46,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:46,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:46,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 228 states and 683 transitions. [2021-11-22 23:15:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 683 transitions. [2021-11-22 23:15:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:01,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:01,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 239 states and 715 transitions. [2021-11-22 23:15:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 715 transitions. [2021-11-22 23:15:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:18,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:18,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 249 states and 754 transitions. [2021-11-22 23:15:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 754 transitions. [2021-11-22 23:15:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:32,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 250 states and 768 transitions. [2021-11-22 23:15:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 768 transitions. [2021-11-22 23:15:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:35,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:35,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 252 states and 780 transitions. [2021-11-22 23:15:38,120 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 780 transitions. [2021-11-22 23:15:38,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:38,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 268 states and 867 transitions. [2021-11-22 23:16:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 867 transitions. [2021-11-22 23:16:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:04,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:04,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 280 states and 900 transitions. [2021-11-22 23:16:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 900 transitions. [2021-11-22 23:16:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:21,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:21,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:27,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 283 states and 923 transitions. [2021-11-22 23:16:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 923 transitions. [2021-11-22 23:16:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:27,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 293 states and 980 transitions. [2021-11-22 23:16:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 980 transitions. [2021-11-22 23:16:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:51,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:51,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 298 states and 991 transitions. [2021-11-22 23:17:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 991 transitions. [2021-11-22 23:17:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:00,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 299 states and 993 transitions. [2021-11-22 23:17:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 993 transitions. [2021-11-22 23:17:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:06,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 320 states and 1068 transitions. [2021-11-22 23:17:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1068 transitions. [2021-11-22 23:17:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:50,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 328 states and 1115 transitions. [2021-11-22 23:18:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1115 transitions. [2021-11-22 23:18:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:28,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 338 states and 1171 transitions. [2021-11-22 23:18:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1171 transitions. [2021-11-22 23:18:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:54,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 350 states and 1270 transitions. [2021-11-22 23:19:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1270 transitions. [2021-11-22 23:19:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:19:22,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:22,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:58,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 358 states and 1288 transitions. [2021-11-22 23:19:58,678 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1288 transitions. [2021-11-22 23:19:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:19:58,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:58,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:03,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 371 states and 1351 transitions. [2021-11-22 23:20:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1351 transitions. [2021-11-22 23:20:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:20:40,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 372 states and 1352 transitions. [2021-11-22 23:20:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1352 transitions. [2021-11-22 23:20:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:20:42,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 384 states and 1409 transitions. [2021-11-22 23:21:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1409 transitions. [2021-11-22 23:21:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:18,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:18,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 385 states and 1432 transitions. [2021-11-22 23:21:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1432 transitions. [2021-11-22 23:21:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:25,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:25,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 388 states and 1503 transitions. [2021-11-22 23:21:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 1503 transitions. [2021-11-22 23:21:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:36,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 389 states and 1527 transitions. [2021-11-22 23:21:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1527 transitions. [2021-11-22 23:21:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:41,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:41,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 399 states and 1603 transitions. [2021-11-22 23:22:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1603 transitions. [2021-11-22 23:22:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:22:20,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:20,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:34,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 419 states and 1675 transitions. [2021-11-22 23:23:35,966 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1675 transitions. [2021-11-22 23:23:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:23:35,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:35,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 431 states and 1750 transitions. [2021-11-22 23:24:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1750 transitions. [2021-11-22 23:24:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:18,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.