./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2.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_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/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_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/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_95738faf-bfb2-4f72-bc60-29679350d7f5/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 fc354f47e1cc26b26f82415b2113a1e937a24cebf9ecb225fe7f6242be1c8136 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:51:27,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:51:27,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:51:27,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:51:27,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:51:27,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:51:27,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:51:27,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:51:27,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:51:27,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:51:27,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:51:27,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:51:27,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:51:27,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:51:27,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:51:27,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:51:27,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:51:27,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:51:27,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:51:27,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:51:27,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:51:27,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:51:27,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:51:27,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:51:27,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:51:27,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:51:27,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:51:27,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:51:27,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:51:27,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:51:27,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:51:27,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:51:27,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:51:27,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:51:27,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:51:27,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:51:27,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:51:27,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:51:27,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:51:27,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:51:27,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:51:27,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:51:28,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:51:28,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:51:28,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:51:28,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:51:28,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:51:28,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:51:28,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:51:28,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:51:28,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:51:28,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:51:28,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:51:28,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:51:28,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:51:28,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:51:28,045 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:51:28,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:51:28,046 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:51:28,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:51:28,047 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:51:28,047 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:51:28,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:51:28,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:28,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:51:28,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:51:28,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:51:28,048 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:51:28,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:51:28,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:51:28,049 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_95738faf-bfb2-4f72-bc60-29679350d7f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc354f47e1cc26b26f82415b2113a1e937a24cebf9ecb225fe7f6242be1c8136 [2021-11-23 00:51:28,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:51:28,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:51:28,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:51:28,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:51:28,461 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:51:28,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/brs2.c [2021-11-23 00:51:28,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/data/9a218e143/f4637de4fe5c436ea6427725593966ce/FLAG3a0ba36d6 [2021-11-23 00:51:29,084 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:51:29,085 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/sv-benchmarks/c/array-fpi/brs2.c [2021-11-23 00:51:29,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/data/9a218e143/f4637de4fe5c436ea6427725593966ce/FLAG3a0ba36d6 [2021-11-23 00:51:29,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/data/9a218e143/f4637de4fe5c436ea6427725593966ce [2021-11-23 00:51:29,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:51:29,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:51:29,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:29,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:51:29,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:51:29,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3b4029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29, skipping insertion in model container [2021-11-23 00:51:29,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:51:29,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:51:29,743 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_95738faf-bfb2-4f72-bc60-29679350d7f5/sv-benchmarks/c/array-fpi/brs2.c[587,600] [2021-11-23 00:51:29,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:29,778 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:51:29,796 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_95738faf-bfb2-4f72-bc60-29679350d7f5/sv-benchmarks/c/array-fpi/brs2.c[587,600] [2021-11-23 00:51:29,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:29,823 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:51:29,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29 WrapperNode [2021-11-23 00:51:29,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:29,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:29,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:51:29,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:51:29,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,872 INFO L137 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2021-11-23 00:51:29,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:29,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:51:29,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:51:29,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:51:29,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:51:29,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:51:29,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:51:29,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:51:29,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:29" (1/1) ... [2021-11-23 00:51:29,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:29,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:51:29,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:51:29,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95738faf-bfb2-4f72-bc60-29679350d7f5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:51:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:51:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:51:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:51:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:51:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:51:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:51:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:51:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:51:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:51:30,105 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:51:30,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:51:30,357 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:51:30,416 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:51:30,435 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:51:30,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:30 BoogieIcfgContainer [2021-11-23 00:51:30,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:51:30,440 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:51:30,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:51:30,453 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:51:30,453 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:30" (1/1) ... [2021-11-23 00:51:30,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:51:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 00:51:30,547 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 00:51:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:51:30,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 00:51:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 00:51:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:51:30,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:51:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:51:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:51:31,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:31,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-23 00:51:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-23 00:51:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:51:31,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:31,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-23 00:51:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-23 00:51:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:51:32,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:32,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2021-11-23 00:51:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2021-11-23 00:51:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:51:33,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:33,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 24 states and 49 transitions. [2021-11-23 00:51:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 49 transitions. [2021-11-23 00:51:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:51:35,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 27 states and 64 transitions. [2021-11-23 00:51:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 64 transitions. [2021-11-23 00:51:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:51:37,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:37,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:38,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 28 states and 74 transitions. [2021-11-23 00:51:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 74 transitions. [2021-11-23 00:51:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:51:38,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:39,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 31 states and 81 transitions. [2021-11-23 00:51:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 81 transitions. [2021-11-23 00:51:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:51:39,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:39,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 32 states and 82 transitions. [2021-11-23 00:51:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 82 transitions. [2021-11-23 00:51:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:51:40,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:40,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 36 states and 99 transitions. [2021-11-23 00:51:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 99 transitions. [2021-11-23 00:51:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:51:44,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:44,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 37 states and 102 transitions. [2021-11-23 00:51:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 102 transitions. [2021-11-23 00:51:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:51:45,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:45,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 38 states and 104 transitions. [2021-11-23 00:51:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 104 transitions. [2021-11-23 00:51:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:51:46,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 39 states and 111 transitions. [2021-11-23 00:51:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 111 transitions. [2021-11-23 00:51:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:51:47,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:47,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 43 states and 120 transitions. [2021-11-23 00:51:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 120 transitions. [2021-11-23 00:51:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:51:49,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:49,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 45 states and 121 transitions. [2021-11-23 00:51:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 121 transitions. [2021-11-23 00:51:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:51:50,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:50,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 50 states and 155 transitions. [2021-11-23 00:51:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 155 transitions. [2021-11-23 00:51:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:51:56,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:56,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 51 states and 159 transitions. [2021-11-23 00:51:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 159 transitions. [2021-11-23 00:51:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:51:57,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:57,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 52 states and 162 transitions. [2021-11-23 00:51:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 162 transitions. [2021-11-23 00:51:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:51:58,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:58,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 54 states and 179 transitions. [2021-11-23 00:52:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 179 transitions. [2021-11-23 00:52:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:52:00,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:00,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:01,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 55 states and 180 transitions. [2021-11-23 00:52:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 180 transitions. [2021-11-23 00:52:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:52:01,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:01,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 59 states and 188 transitions. [2021-11-23 00:52:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 188 transitions. [2021-11-23 00:52:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:52:04,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:04,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:04,506 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 60 states and 188 transitions. [2021-11-23 00:52:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 188 transitions. [2021-11-23 00:52:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:52:05,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:05,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 65 states and 206 transitions. [2021-11-23 00:52:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 206 transitions. [2021-11-23 00:52:14,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:52:14,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:14,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:16,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 67 states and 216 transitions. [2021-11-23 00:52:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 216 transitions. [2021-11-23 00:52:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:52:16,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:16,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 69 states and 229 transitions. [2021-11-23 00:52:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 229 transitions. [2021-11-23 00:52:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:52:19,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:19,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 71 states and 234 transitions. [2021-11-23 00:52:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 234 transitions. [2021-11-23 00:52:20,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:52:20,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:20,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 72 states and 236 transitions. [2021-11-23 00:52:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 236 transitions. [2021-11-23 00:52:22,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:52:22,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:22,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 78 states and 246 transitions. [2021-11-23 00:52:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 246 transitions. [2021-11-23 00:52:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:52:27,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:27,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 79 states and 247 transitions. [2021-11-23 00:52:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 247 transitions. [2021-11-23 00:52:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:28,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:28,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 84 states and 275 transitions. [2021-11-23 00:52:41,239 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 275 transitions. [2021-11-23 00:52:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:41,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 86 states and 283 transitions. [2021-11-23 00:52:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 283 transitions. [2021-11-23 00:52:44,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:44,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 87 states and 284 transitions. [2021-11-23 00:52:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 284 transitions. [2021-11-23 00:52:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:46,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:46,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 90 states and 288 transitions. [2021-11-23 00:52:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 288 transitions. [2021-11-23 00:52:49,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:49,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:49,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 91 states and 295 transitions. [2021-11-23 00:52:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2021-11-23 00:52:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:51,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:51,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 92 states and 297 transitions. [2021-11-23 00:52:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 297 transitions. [2021-11-23 00:52:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:52:52,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:52,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:53,766 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 95 states and 304 transitions. [2021-11-23 00:52:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 304 transitions. [2021-11-23 00:52:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:52:56,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:56,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 97 states and 305 transitions. [2021-11-23 00:52:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 305 transitions. [2021-11-23 00:52:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:52:58,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 98 states and 305 transitions. [2021-11-23 00:52:59,426 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 305 transitions. [2021-11-23 00:52:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:52:59,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 103 states and 323 transitions. [2021-11-23 00:53:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 323 transitions. [2021-11-23 00:53:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:53:17,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:18,792 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 105 states and 329 transitions. [2021-11-23 00:53:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 329 transitions. [2021-11-23 00:53:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:53:21,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:21,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 106 states and 332 transitions. [2021-11-23 00:53:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 332 transitions. [2021-11-23 00:53:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:53:23,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:23,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 108 states and 333 transitions. [2021-11-23 00:53:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 333 transitions. [2021-11-23 00:53:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:53:27,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:27,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 109 states and 334 transitions. [2021-11-23 00:53:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 334 transitions. [2021-11-23 00:53:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:53:29,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:29,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 110 states and 341 transitions. [2021-11-23 00:53:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 341 transitions. [2021-11-23 00:53:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:53:31,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:31,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 115 states and 349 transitions. [2021-11-23 00:53:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 349 transitions. [2021-11-23 00:53:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:53:38,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:38,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:59,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 120 states and 372 transitions. [2021-11-23 00:53:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 372 transitions. [2021-11-23 00:53:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:53:59,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:59,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:02,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 122 states and 379 transitions. [2021-11-23 00:54:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 379 transitions. [2021-11-23 00:54:02,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:02,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:02,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 123 states and 382 transitions. [2021-11-23 00:54:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 382 transitions. [2021-11-23 00:54:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:04,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:04,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 125 states and 395 transitions. [2021-11-23 00:54:08,184 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 395 transitions. [2021-11-23 00:54:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:08,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:08,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 126 states and 398 transitions. [2021-11-23 00:54:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 398 transitions. [2021-11-23 00:54:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:10,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:10,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 127 states and 400 transitions. [2021-11-23 00:54:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 400 transitions. [2021-11-23 00:54:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:12,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:12,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 128 states and 401 transitions. [2021-11-23 00:54:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 401 transitions. [2021-11-23 00:54:14,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:14,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 129 states and 401 transitions. [2021-11-23 00:54:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 401 transitions. [2021-11-23 00:54:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:16,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:16,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 134 states and 411 transitions. [2021-11-23 00:54:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 411 transitions. [2021-11-23 00:54:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:23,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:23,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 135 states and 412 transitions. [2021-11-23 00:54:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 412 transitions. [2021-11-23 00:54:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:25,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:25,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 136 states and 412 transitions. [2021-11-23 00:54:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 412 transitions. [2021-11-23 00:54:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:26,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:26,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 141 states and 434 transitions. [2021-11-23 00:54:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 434 transitions. [2021-11-23 00:54:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:52,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:52,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 142 states and 445 transitions. [2021-11-23 00:54:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 445 transitions. [2021-11-23 00:54:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:56,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:56,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 144 states and 450 transitions. [2021-11-23 00:55:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 450 transitions. [2021-11-23 00:55:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:01,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:01,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:07,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 147 states and 457 transitions. [2021-11-23 00:55:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 457 transitions. [2021-11-23 00:55:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:07,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:07,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 148 states and 458 transitions. [2021-11-23 00:55:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 458 transitions. [2021-11-23 00:55:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:08,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:08,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 154 states and 479 transitions. [2021-11-23 00:55:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 479 transitions. [2021-11-23 00:55:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:40,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:40,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 156 states and 489 transitions. [2021-11-23 00:55:46,824 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 489 transitions. [2021-11-23 00:55:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:46,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:46,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 158 states and 502 transitions. [2021-11-23 00:55:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 502 transitions. [2021-11-23 00:55:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:53,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:53,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 160 states and 505 transitions. [2021-11-23 00:55:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 505 transitions. [2021-11-23 00:55:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:58,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:58,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 161 states and 508 transitions. [2021-11-23 00:56:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 508 transitions. [2021-11-23 00:56:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:56:02,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:02,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 162 states and 511 transitions. [2021-11-23 00:56:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 511 transitions. [2021-11-23 00:56:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:06,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:06,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 167 states and 520 transitions. [2021-11-23 00:56:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 520 transitions. [2021-11-23 00:56:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:17,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:17,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:18,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 168 states and 521 transitions. [2021-11-23 00:56:18,835 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 521 transitions. [2021-11-23 00:56:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:56:18,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:18,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 175 states and 549 transitions. [2021-11-23 00:57:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 549 transitions. [2021-11-23 00:57:02,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:57:02,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:02,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 177 states and 559 transitions. [2021-11-23 00:57:08,651 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 559 transitions. [2021-11-23 00:57:08,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:57:08,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:08,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 179 states and 572 transitions. [2021-11-23 00:57:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 572 transitions. [2021-11-23 00:57:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:57:15,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:15,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 180 states and 573 transitions. [2021-11-23 00:57:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 573 transitions. [2021-11-23 00:57:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:57:19,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 181 states and 574 transitions. [2021-11-23 00:57:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 574 transitions. [2021-11-23 00:57:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:57:23,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:23,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 182 states and 575 transitions. [2021-11-23 00:57:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 575 transitions. [2021-11-23 00:57:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:27,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:27,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 186 states and 582 transitions. [2021-11-23 00:57:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 582 transitions. [2021-11-23 00:57:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:38,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:38,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 187 states and 583 transitions. [2021-11-23 00:57:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 583 transitions. [2021-11-23 00:57:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:40,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:40,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 188 states and 583 transitions. [2021-11-23 00:57:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 583 transitions. [2021-11-23 00:57:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:57:41,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:41,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 92 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:44,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 189 states and 583 transitions. [2021-11-23 00:57:44,353 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 583 transitions. [2021-11-23 00:57:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:57:44,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:44,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 194 states and 597 transitions. [2021-11-23 00:58:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 597 transitions. [2021-11-23 00:58:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:26,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 196 states and 607 transitions. [2021-11-23 00:58:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 607 transitions. [2021-11-23 00:58:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:34,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 197 states and 611 transitions. [2021-11-23 00:58:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 611 transitions. [2021-11-23 00:58:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:39,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 198 states and 614 transitions. [2021-11-23 00:58:45,007 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 614 transitions. [2021-11-23 00:58:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:45,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 199 states and 615 transitions. [2021-11-23 00:58:49,697 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 615 transitions. [2021-11-23 00:58:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:49,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 201 states and 615 transitions. [2021-11-23 00:58:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 615 transitions. [2021-11-23 00:58:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:55,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 202 states and 616 transitions. [2021-11-23 00:58:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 616 transitions. [2021-11-23 00:58:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:58:59,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 92 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 206 states and 624 transitions. [2021-11-23 00:59:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 624 transitions. [2021-11-23 00:59:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:59:10,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:10,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 106 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:12,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 207 states and 624 transitions. [2021-11-23 00:59:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 624 transitions. [2021-11-23 00:59:12,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:59:12,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:12,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 212 states and 653 transitions. [2021-11-23 01:00:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 653 transitions. [2021-11-23 01:00:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:00:07,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:07,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 213 states and 656 transitions. [2021-11-23 01:00:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 656 transitions. [2021-11-23 01:00:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:00:12,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:12,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 216 states and 667 transitions. [2021-11-23 01:00:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 667 transitions. [2021-11-23 01:00:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:00:22,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:22,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 217 states and 669 transitions. [2021-11-23 01:00:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 669 transitions. [2021-11-23 01:00:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:00:28,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:28,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 218 states and 674 transitions. [2021-11-23 01:00:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 674 transitions. [2021-11-23 01:00:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:00:35,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:35,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 219 states and 677 transitions. [2021-11-23 01:00:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 677 transitions. [2021-11-23 01:00:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:00:41,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:41,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 220 states and 678 transitions. [2021-11-23 01:00:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 678 transitions. [2021-11-23 01:00:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:00:46,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:46,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 221 states and 680 transitions. [2021-11-23 01:00:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 680 transitions. [2021-11-23 01:00:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:00:51,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:51,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 106 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 226 states and 688 transitions. [2021-11-23 01:01:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 688 transitions. [2021-11-23 01:01:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:01:07,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:07,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 234 states and 725 transitions. [2021-11-23 01:02:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 725 transitions. [2021-11-23 01:02:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:02:22,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:22,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 236 states and 730 transitions. [2021-11-23 01:02:33,079 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 730 transitions. [2021-11-23 01:02:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:02:33,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:33,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 237 states and 733 transitions. [2021-11-23 01:02:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 733 transitions. [2021-11-23 01:02:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:02:41,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 238 states and 748 transitions. [2021-11-23 01:02:49,515 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 748 transitions. [2021-11-23 01:02:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:02:49,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 239 states and 751 transitions. [2021-11-23 01:02:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 751 transitions. [2021-11-23 01:02:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:02:56,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 240 states and 753 transitions. [2021-11-23 01:03:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 753 transitions. [2021-11-23 01:03:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:03:04,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:04,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 121 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 244 states and 762 transitions. [2021-11-23 01:03:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 762 transitions. [2021-11-23 01:03:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:03:18,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 121 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 245 states and 763 transitions. [2021-11-23 01:03:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 763 transitions. [2021-11-23 01:03:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:03:20,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat