./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms5.c --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_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/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_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/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_7e5806b7-347c-44b3-9aee-31f122f2077a/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 5d49931b392f3e5db08af1630b313adf7396c4587f1a053ae0de1991b384d39a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:12:24,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:12:24,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:12:24,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:12:24,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:12:24,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:12:24,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:12:24,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:12:24,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:12:24,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:12:24,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:12:24,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:12:24,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:12:24,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:12:24,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:12:24,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:12:24,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:12:24,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:12:24,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:12:24,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:12:24,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:12:24,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:12:24,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:12:24,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:12:24,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:12:24,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:12:24,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:12:24,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:12:24,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:12:24,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:12:24,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:12:24,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:12:24,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:12:24,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:12:24,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:12:24,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:12:24,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:12:24,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:12:24,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:12:24,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:12:24,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:12:24,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:12:24,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:12:24,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:12:24,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:12:24,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:12:24,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:12:24,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:12:24,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:12:24,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:12:24,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:12:24,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:12:24,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:12:24,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:12:24,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:12:24,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:12:24,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:12:24,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:12:24,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:12:24,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:12:24,603 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:12:24,604 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:12:24,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:12:24,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:24,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:12:24,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:12:24,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:12:24,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:12:24,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:12:24,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:12:24,606 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_7e5806b7-347c-44b3-9aee-31f122f2077a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d49931b392f3e5db08af1630b313adf7396c4587f1a053ae0de1991b384d39a [2021-11-22 23:12:24,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:12:24,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:12:24,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:12:24,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:12:24,897 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:12:24,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/ms5.c [2021-11-22 23:12:24,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/data/06ec70ab2/60bcbaf0533b48a48e6d780d81bf7721/FLAGe20cdd9bf [2021-11-22 23:12:25,493 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:12:25,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/sv-benchmarks/c/array-fpi/ms5.c [2021-11-22 23:12:25,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/data/06ec70ab2/60bcbaf0533b48a48e6d780d81bf7721/FLAGe20cdd9bf [2021-11-22 23:12:25,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/data/06ec70ab2/60bcbaf0533b48a48e6d780d81bf7721 [2021-11-22 23:12:25,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:12:25,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:12:25,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:25,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:12:25,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:12:25,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:25" (1/1) ... [2021-11-22 23:12:25,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a71a854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:25, skipping insertion in model container [2021-11-22 23:12:25,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:25" (1/1) ... [2021-11-22 23:12:25,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:12:25,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:12:26,087 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_7e5806b7-347c-44b3-9aee-31f122f2077a/sv-benchmarks/c/array-fpi/ms5.c[586,599] [2021-11-22 23:12:26,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:26,129 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:12:26,144 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_7e5806b7-347c-44b3-9aee-31f122f2077a/sv-benchmarks/c/array-fpi/ms5.c[586,599] [2021-11-22 23:12:26,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:26,184 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:12:26,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26 WrapperNode [2021-11-22 23:12:26,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:26,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:26,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:12:26,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:12:26,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,242 INFO L137 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-11-22 23:12:26,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:26,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:12:26,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:12:26,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:12:26,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:12:26,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:12:26,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:12:26,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:12:26,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:12:26,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:12:26,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5806b7-347c-44b3-9aee-31f122f2077a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:12:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:12:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:12:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:12:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:12:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:12:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:12:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:12:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:12:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:12:26,465 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:12:26,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:12:26,613 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:12:26,656 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:12:26,656 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:12:26,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:26 BoogieIcfgContainer [2021-11-22 23:12:26,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:12:26,660 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:12:26,660 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:12:26,675 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:12:26,677 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:12:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-22 23:12:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-22 23:12:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:12:26,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:26,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:26,922 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 23:12:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-22 23:12:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-22 23:12:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:12:26,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:26,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:12:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:12:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:12:27,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-22 23:12:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-22 23:12:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:12:27,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-22 23:12:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-22 23:12:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:12:28,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,482 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 23:12:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 20 states and 41 transitions. [2021-11-22 23:12:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 41 transitions. [2021-11-22 23:12:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:12:29,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:29,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2021-11-22 23:12:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2021-11-22 23:12:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:12:30,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:30,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:31,510 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 23:12:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 27 states and 68 transitions. [2021-11-22 23:12:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 68 transitions. [2021-11-22 23:12:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:12:33,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:33,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:33,692 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 23:12:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 28 states and 77 transitions. [2021-11-22 23:12:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 77 transitions. [2021-11-22 23:12:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:12:34,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:34,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 32 states and 87 transitions. [2021-11-22 23:12:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 87 transitions. [2021-11-22 23:12:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:12:35,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:35,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 33 states and 89 transitions. [2021-11-22 23:12:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 89 transitions. [2021-11-22 23:12:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:36,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:36,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 36 states and 104 transitions. [2021-11-22 23:12:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 104 transitions. [2021-11-22 23:12:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:40,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:40,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 37 states and 105 transitions. [2021-11-22 23:12:41,020 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 105 transitions. [2021-11-22 23:12:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:41,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:41,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 38 states and 111 transitions. [2021-11-22 23:12:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 111 transitions. [2021-11-22 23:12:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:41,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:41,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 42 states and 122 transitions. [2021-11-22 23:12:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 122 transitions. [2021-11-22 23:12:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:44,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:44,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:44,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 43 states and 124 transitions. [2021-11-22 23:12:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 124 transitions. [2021-11-22 23:12:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:44,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:44,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:46,279 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 23:12:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 48 states and 145 transitions. [2021-11-22 23:12:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 145 transitions. [2021-11-22 23:12:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:51,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:51,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:51,492 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 23:12:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 50 states and 155 transitions. [2021-11-22 23:12:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 155 transitions. [2021-11-22 23:12:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:52,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:52,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:53,348 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 23:12:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 51 states and 159 transitions. [2021-11-22 23:12:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 159 transitions. [2021-11-22 23:12:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:53,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:53,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:54,467 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 23:12:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 52 states and 166 transitions. [2021-11-22 23:12:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 166 transitions. [2021-11-22 23:12:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:55,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,692 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 23:12:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 53 states and 167 transitions. [2021-11-22 23:12:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 167 transitions. [2021-11-22 23:12:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:56,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 57 states and 178 transitions. [2021-11-22 23:12:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 178 transitions. [2021-11-22 23:12:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:59,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:59,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 58 states and 182 transitions. [2021-11-22 23:12:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 182 transitions. [2021-11-22 23:12:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:59,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:59,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 62 states and 194 transitions. [2021-11-22 23:13:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 194 transitions. [2021-11-22 23:13:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:13:09,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:09,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 64 states and 200 transitions. [2021-11-22 23:13:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 200 transitions. [2021-11-22 23:13:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:13:11,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:11,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 65 states and 208 transitions. [2021-11-22 23:13:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 208 transitions. [2021-11-22 23:13:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:13:12,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:12,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 67 states and 211 transitions. [2021-11-22 23:13:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 211 transitions. [2021-11-22 23:13:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:13:14,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:14,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 68 states and 219 transitions. [2021-11-22 23:13:15,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 219 transitions. [2021-11-22 23:13:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:13:15,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:15,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 69 states and 223 transitions. [2021-11-22 23:13:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 223 transitions. [2021-11-22 23:13:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:13:17,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 73 states and 235 transitions. [2021-11-22 23:13:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 235 transitions. [2021-11-22 23:13:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:13:21,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:21,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 74 states and 238 transitions. [2021-11-22 23:13:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 238 transitions. [2021-11-22 23:13:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:22,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:22,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:25,910 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:35,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 79 states and 267 transitions. [2021-11-22 23:13:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 267 transitions. [2021-11-22 23:13:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:35,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:35,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 81 states and 280 transitions. [2021-11-22 23:13:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 280 transitions. [2021-11-22 23:13:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:38,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:38,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:40,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 82 states and 284 transitions. [2021-11-22 23:13:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 284 transitions. [2021-11-22 23:13:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:40,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 83 states and 290 transitions. [2021-11-22 23:13:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 290 transitions. [2021-11-22 23:13:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:42,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 84 states and 291 transitions. [2021-11-22 23:13:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 291 transitions. [2021-11-22 23:13:43,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:13:43,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:43,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 87 states and 299 transitions. [2021-11-22 23:13:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 299 transitions. [2021-11-22 23:13:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:13:47,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 89 states and 303 transitions. [2021-11-22 23:13:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 303 transitions. [2021-11-22 23:13:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:13:49,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:49,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 91 states and 306 transitions. [2021-11-22 23:13:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 306 transitions. [2021-11-22 23:13:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:13:50,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:50,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 98 states and 336 transitions. [2021-11-22 23:14:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 336 transitions. [2021-11-22 23:14:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:14:18,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:18,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:23,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 102 states and 362 transitions. [2021-11-22 23:14:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 362 transitions. [2021-11-22 23:14:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:14:23,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:23,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 103 states and 364 transitions. [2021-11-22 23:14:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 364 transitions. [2021-11-22 23:14:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:14:25,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:25,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 104 states and 371 transitions. [2021-11-22 23:14:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 371 transitions. [2021-11-22 23:14:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:14:27,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:27,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 106 states and 372 transitions. [2021-11-22 23:14:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 372 transitions. [2021-11-22 23:14:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:14:30,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:30,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:30,828 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:31,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 107 states and 372 transitions. [2021-11-22 23:14:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 372 transitions. [2021-11-22 23:14:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:31,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:31,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:37,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 111 states and 383 transitions. [2021-11-22 23:14:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 383 transitions. [2021-11-22 23:14:37,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:37,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:37,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:37,891 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 112 states and 387 transitions. [2021-11-22 23:14:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 387 transitions. [2021-11-22 23:14:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:39,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:39,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 118 states and 415 transitions. [2021-11-22 23:15:05,536 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 415 transitions. [2021-11-22 23:15:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:15:05,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 119 states and 420 transitions. [2021-11-22 23:15:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 420 transitions. [2021-11-22 23:15:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:15:08,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:13,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 121 states and 429 transitions. [2021-11-22 23:15:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 429 transitions. [2021-11-22 23:15:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:15:13,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:13,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 122 states and 432 transitions. [2021-11-22 23:15:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 432 transitions. [2021-11-22 23:15:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:16,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:16,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 125 states and 440 transitions. [2021-11-22 23:15:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 440 transitions. [2021-11-22 23:15:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:22,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:22,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:23,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 126 states and 443 transitions. [2021-11-22 23:15:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 443 transitions. [2021-11-22 23:15:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:23,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:23,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 127 states and 447 transitions. [2021-11-22 23:15:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 447 transitions. [2021-11-22 23:15:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:24,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 128 states and 447 transitions. [2021-11-22 23:15:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 447 transitions. [2021-11-22 23:15:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:15:26,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 56 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 129 states and 447 transitions. [2021-11-22 23:15:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 447 transitions. [2021-11-22 23:15:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:15:28,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 133 states and 467 transitions. [2021-11-22 23:16:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 467 transitions. [2021-11-22 23:16:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:05,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:05,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 134 states and 471 transitions. [2021-11-22 23:16:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 471 transitions. [2021-11-22 23:16:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:09,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:09,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 136 states and 479 transitions. [2021-11-22 23:16:12,827 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 479 transitions. [2021-11-22 23:16:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:12,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 138 states and 481 transitions. [2021-11-22 23:16:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 481 transitions. [2021-11-22 23:16:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:16,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:16,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:20,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 139 states and 488 transitions. [2021-11-22 23:16:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 488 transitions. [2021-11-22 23:16:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:20,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:20,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 141 states and 490 transitions. [2021-11-22 23:16:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 490 transitions. [2021-11-22 23:16:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:23,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:23,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 145 states and 502 transitions. [2021-11-22 23:16:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 502 transitions. [2021-11-22 23:16:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:32,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 146 states and 505 transitions. [2021-11-22 23:16:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 505 transitions. [2021-11-22 23:16:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:34,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 151 states and 526 transitions. [2021-11-22 23:17:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 526 transitions. [2021-11-22 23:17:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:11,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 152 states and 531 transitions. [2021-11-22 23:17:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 531 transitions. [2021-11-22 23:17:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:17,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:17,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 154 states and 538 transitions. [2021-11-22 23:17:24,864 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 538 transitions. [2021-11-22 23:17:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:24,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 156 states and 540 transitions. [2021-11-22 23:17:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 540 transitions. [2021-11-22 23:17:30,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:30,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 157 states and 547 transitions. [2021-11-22 23:17:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 547 transitions. [2021-11-22 23:17:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:35,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 159 states and 549 transitions. [2021-11-22 23:17:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 549 transitions. [2021-11-22 23:17:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:40,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:44,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 160 states and 550 transitions. [2021-11-22 23:17:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 550 transitions. [2021-11-22 23:17:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:44,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:53,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 163 states and 558 transitions. [2021-11-22 23:17:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 558 transitions. [2021-11-22 23:17:53,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:53,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 164 states and 562 transitions. [2021-11-22 23:17:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 562 transitions. [2021-11-22 23:17:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:55,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 165 states and 565 transitions. [2021-11-22 23:17:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 565 transitions. [2021-11-22 23:17:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:17:57,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,782 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 169 states and 585 transitions. [2021-11-22 23:18:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 585 transitions. [2021-11-22 23:18:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:44,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:51,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 171 states and 587 transitions. [2021-11-22 23:18:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 587 transitions. [2021-11-22 23:18:51,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:51,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 151 states and 477 transitions. [2021-11-22 23:19:00,613 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 477 transitions. [2021-11-22 23:19:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:00,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 153 states and 479 transitions. [2021-11-22 23:19:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 479 transitions. [2021-11-22 23:19:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:07,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 155 states and 490 transitions. [2021-11-22 23:19:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 490 transitions. [2021-11-22 23:19:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:14,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 156 states and 490 transitions. [2021-11-22 23:19:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 490 transitions. [2021-11-22 23:19:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:20,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 157 states and 491 transitions. [2021-11-22 23:19:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 491 transitions. [2021-11-22 23:19:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:19:25,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 160 states and 499 transitions. [2021-11-22 23:19:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 499 transitions. [2021-11-22 23:19:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:19:35,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:35,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 161 states and 502 transitions. [2021-11-22 23:19:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 502 transitions. [2021-11-22 23:19:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:19:37,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:37,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 162 states and 506 transitions. [2021-11-22 23:19:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 506 transitions. [2021-11-22 23:19:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:19:39,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 169 states and 542 transitions. [2021-11-22 23:20:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 542 transitions. [2021-11-22 23:20:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:20:48,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 172 states and 554 transitions. [2021-11-22 23:20:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 554 transitions. [2021-11-22 23:20:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:20:57,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 177 states and 563 transitions. [2021-11-22 23:21:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 563 transitions. [2021-11-22 23:21:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:10,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:10,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 178 states and 569 transitions. [2021-11-22 23:21:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 569 transitions. [2021-11-22 23:21:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:15,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:15,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 180 states and 575 transitions. [2021-11-22 23:21:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 575 transitions. [2021-11-22 23:21:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:22,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:22,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:24,060 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 181 states and 578 transitions. [2021-11-22 23:21:26,949 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 578 transitions. [2021-11-22 23:21:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:26,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:26,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 182 states and 580 transitions. [2021-11-22 23:21:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 580 transitions. [2021-11-22 23:21:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:31,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:31,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 184 states and 581 transitions. [2021-11-22 23:21:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 581 transitions. [2021-11-22 23:21:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:36,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 185 states and 581 transitions. [2021-11-22 23:21:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 581 transitions. [2021-11-22 23:21:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:39,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 92 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 189 states and 592 transitions. [2021-11-22 23:21:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 592 transitions. [2021-11-22 23:21:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:53,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:53,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 92 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 190 states and 596 transitions. [2021-11-22 23:21:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 596 transitions. [2021-11-22 23:21:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:21:56,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:56,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 195 states and 626 transitions. [2021-11-22 23:23:12,258 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 626 transitions. [2021-11-22 23:23:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:12,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:12,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 197 states and 636 transitions. [2021-11-22 23:23:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 636 transitions. [2021-11-22 23:23:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:24,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:24,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 199 states and 640 transitions. [2021-11-22 23:23:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 640 transitions. [2021-11-22 23:23:36,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:36,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:36,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 201 states and 645 transitions. [2021-11-22 23:23:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 645 transitions. [2021-11-22 23:23:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:46,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:46,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 202 states and 646 transitions. [2021-11-22 23:23:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 646 transitions. [2021-11-22 23:23:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:53,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:53,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 203 states and 646 transitions. [2021-11-22 23:24:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 646 transitions. [2021-11-22 23:24:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:24:00,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 204 states and 647 transitions. [2021-11-22 23:24:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 647 transitions. [2021-11-22 23:24:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:07,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 106 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 207 states and 655 transitions. [2021-11-22 23:24:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 655 transitions. [2021-11-22 23:24:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:19,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:19,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 106 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 208 states and 659 transitions. [2021-11-22 23:24:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 659 transitions. [2021-11-22 23:24:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:22,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:22,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 106 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:25,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 209 states and 662 transitions. [2021-11-22 23:24:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 662 transitions. [2021-11-22 23:24:25,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:25,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 106 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:27,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:27,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 210 states and 662 transitions. [2021-11-22 23:24:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 662 transitions. [2021-11-22 23:24:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:24:27,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:27,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat