./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/nr2.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_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/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_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/nr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/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_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/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 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:13:42,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:13:42,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:13:42,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:13:42,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:13:42,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:13:42,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:13:42,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:13:42,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:13:42,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:13:42,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:13:42,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:13:42,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:13:42,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:13:42,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:13:42,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:13:42,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:13:42,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:13:42,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:13:42,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:13:42,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:13:42,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:13:42,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:13:42,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:13:42,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:13:42,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:13:42,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:13:42,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:13:42,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:13:42,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:13:42,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:13:42,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:13:42,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:13:42,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:13:42,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:13:42,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:13:42,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:13:42,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:13:42,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:13:42,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:13:42,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:13:42,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:13:43,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:13:43,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:13:43,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:13:43,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:13:43,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:13:43,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:13:43,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:13:43,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:13:43,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:13:43,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:13:43,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:13:43,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:13:43,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:13:43,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:13:43,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:13:43,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:13:43,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:13:43,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:13:43,007 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:13:43,007 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:13:43,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:13:43,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:13:43,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:13:43,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:13:43,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:13:43,009 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:13:43,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:13:43,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:13:43,009 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_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 [2021-11-22 23:13:43,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:13:43,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:13:43,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:13:43,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:13:43,305 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:13:43,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/nr2.c [2021-11-22 23:13:43,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/data/c8886efb8/aff38991319543668b7049430675931d/FLAGf9fb766b8 [2021-11-22 23:13:43,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:13:43,828 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/sv-benchmarks/c/array-tiling/nr2.c [2021-11-22 23:13:43,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/data/c8886efb8/aff38991319543668b7049430675931d/FLAGf9fb766b8 [2021-11-22 23:13:44,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/data/c8886efb8/aff38991319543668b7049430675931d [2021-11-22 23:13:44,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:13:44,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:13:44,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:13:44,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:13:44,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:13:44,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18950de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44, skipping insertion in model container [2021-11-22 23:13:44,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:13:44,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:13:44,401 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_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/sv-benchmarks/c/array-tiling/nr2.c[394,407] [2021-11-22 23:13:44,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:13:44,449 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:13:44,462 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_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/sv-benchmarks/c/array-tiling/nr2.c[394,407] [2021-11-22 23:13:44,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:13:44,483 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:13:44,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44 WrapperNode [2021-11-22 23:13:44,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:13:44,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:13:44,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:13:44,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:13:44,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,517 INFO L137 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2021-11-22 23:13:44,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:13:44,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:13:44,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:13:44,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:13:44,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:13:44,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:13:44,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:13:44,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:13:44,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:44,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:13:44,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:13:44,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:13:44,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5693a27-38e0-48e5-a4dd-ef5f69f39aa5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:13:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:13:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:13:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:13:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:13:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:13:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:13:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:13:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:13:44,734 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:13:44,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:13:44,910 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:13:44,988 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:13:44,988 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:13:44,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:13:44 BoogieIcfgContainer [2021-11-22 23:13:44,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:13:44,992 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:13:44,992 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:13:45,002 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:13:45,003 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:13:44" (1/1) ... [2021-11-22 23:13:45,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:13:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-22 23:13:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-22 23:13:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:13:45,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2021-11-22 23:13:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2021-11-22 23:13:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:13:45,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2021-11-22 23:13:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-22 23:13:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:13:45,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2021-11-22 23:13:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2021-11-22 23:13:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:13:45,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-22 23:13:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-22 23:13:47,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:13:47,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-22 23:13:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-22 23:13:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:13:48,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:48,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2021-11-22 23:13:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2021-11-22 23:13:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:13:50,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:50,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:13:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2021-11-22 23:13:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2021-11-22 23:13:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:13:54,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:54,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:56,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2021-11-22 23:13:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2021-11-22 23:13:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:13:56,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:56,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2021-11-22 23:13:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2021-11-22 23:13:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:58,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:58,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:13:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2021-11-22 23:13:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2021-11-22 23:13:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:13:59,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:59,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:14:05,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-22 23:14:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-22 23:14:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:05,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:05,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:14:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:14,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2021-11-22 23:14:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2021-11-22 23:14:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:14:14,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:14,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:14:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2021-11-22 23:14:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2021-11-22 23:14:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:14:17,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:17,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:14:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 70 states and 132 transitions. [2021-11-22 23:14:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2021-11-22 23:14:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:14:27,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:27,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:14:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 132 transitions. [2021-11-22 23:14:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2021-11-22 23:14:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:14:28,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:28,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:14:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2021-11-22 23:14:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2021-11-22 23:14:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:14:33,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:33,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:14:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 81 states and 155 transitions. [2021-11-22 23:14:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 155 transitions. [2021-11-22 23:14:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:14:46,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:46,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 100 states and 209 transitions. [2021-11-22 23:15:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 209 transitions. [2021-11-22 23:15:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:15:05,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 106 states and 219 transitions. [2021-11-22 23:15:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 219 transitions. [2021-11-22 23:15:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:15:24,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 41 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:15:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 125 states and 257 transitions. [2021-11-22 23:15:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 257 transitions. [2021-11-22 23:15:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:15:46,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 41 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:15:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 126 states and 257 transitions. [2021-11-22 23:15:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 257 transitions. [2021-11-22 23:15:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:15:47,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:47,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 122 states and 248 transitions. [2021-11-22 23:15:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 248 transitions. [2021-11-22 23:15:58,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:58,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:16:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 138 states and 287 transitions. [2021-11-22 23:16:21,862 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 287 transitions. [2021-11-22 23:16:21,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:21,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:21,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:16:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 142 states and 296 transitions. [2021-11-22 23:16:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 296 transitions. [2021-11-22 23:16:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:16:27,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:16:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 161 states and 342 transitions. [2021-11-22 23:16:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 342 transitions. [2021-11-22 23:16:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:16:57,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 1 proven. 167 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 158 states and 332 transitions. [2021-11-22 23:17:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 332 transitions. [2021-11-22 23:17:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:17:05,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 78 proven. 86 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 177 states and 372 transitions. [2021-11-22 23:17:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 372 transitions. [2021-11-22 23:17:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:17:37,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 78 proven. 86 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 178 states and 372 transitions. [2021-11-22 23:17:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 372 transitions. [2021-11-22 23:17:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:17:39,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 174 states and 362 transitions. [2021-11-22 23:17:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 362 transitions. [2021-11-22 23:17:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:17:48,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:18:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 194 states and 411 transitions. [2021-11-22 23:18:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 411 transitions. [2021-11-22 23:18:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:18:31,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:19:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 212 states and 457 transitions. [2021-11-22 23:19:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 457 transitions. [2021-11-22 23:19:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:19:14,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:19:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 213 states and 458 transitions. [2021-11-22 23:19:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 458 transitions. [2021-11-22 23:19:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:19:16,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 261 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:19:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 210 states and 447 transitions. [2021-11-22 23:19:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 447 transitions. [2021-11-22 23:19:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:19:28,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 127 proven. 133 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:20:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 226 states and 481 transitions. [2021-11-22 23:20:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 481 transitions. [2021-11-22 23:20:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:20:06,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:06,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 127 proven. 133 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:20:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 229 states and 488 transitions. [2021-11-22 23:20:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 488 transitions. [2021-11-22 23:20:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:20:14,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:14,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 127 proven. 133 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:20:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 230 states and 488 transitions. [2021-11-22 23:20:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 488 transitions. [2021-11-22 23:20:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:20:17,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:17,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:20:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 226 states and 477 transitions. [2021-11-22 23:20:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 477 transitions. [2021-11-22 23:20:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:20:29,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:21:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 242 states and 518 transitions. [2021-11-22 23:21:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 518 transitions. [2021-11-22 23:21:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:21:17,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:21:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 246 states and 527 transitions. [2021-11-22 23:21:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 527 transitions. [2021-11-22 23:21:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:21:28,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:28,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 346 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 264 states and 574 transitions. [2021-11-22 23:22:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 574 transitions. [2021-11-22 23:22:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:22:23,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:23,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:23,328 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 346 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 265 states and 575 transitions. [2021-11-22 23:22:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 575 transitions. [2021-11-22 23:22:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:22:25,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 1 proven. 377 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 262 states and 563 transitions. [2021-11-22 23:22:40,925 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 563 transitions. [2021-11-22 23:22:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:22:40,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:40,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 188 proven. 190 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:23:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:31,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 278 states and 598 transitions. [2021-11-22 23:23:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 598 transitions. [2021-11-22 23:23:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:23:31,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:31,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 188 proven. 190 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:23:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 281 states and 605 transitions. [2021-11-22 23:23:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 605 transitions. [2021-11-22 23:23:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:23:41,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:41,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 188 proven. 190 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:23:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 282 states and 605 transitions. [2021-11-22 23:23:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 605 transitions. [2021-11-22 23:23:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:23:44,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:24:00,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 278 states and 593 transitions. [2021-11-22 23:24:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 593 transitions. [2021-11-22 23:24:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:24:00,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:25:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 294 states and 632 transitions. [2021-11-22 23:25:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 632 transitions. [2021-11-22 23:25:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:25:21,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:25:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 297 states and 640 transitions. [2021-11-22 23:25:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 640 transitions. [2021-11-22 23:25:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:25:32,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.