./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina1.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_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/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_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/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_8376b0d4-b1fa-454f-a609-dd11d4556efe/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 b1c30dcb0753c92b26d7933797d6cb35ad9e557c83930a4dbbba40b5521c6adf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:12:12,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:12:12,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:12:12,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:12:12,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:12:12,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:12:12,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:12:12,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:12:12,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:12:12,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:12:12,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:12:12,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:12:12,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:12:12,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:12:12,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:12:12,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:12:12,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:12:12,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:12:12,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:12:12,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:12:12,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:12:12,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:12:12,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:12:12,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:12:12,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:12:12,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:12:12,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:12:12,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:12:12,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:12:12,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:12:12,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:12:12,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:12:12,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:12:12,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:12:12,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:12:12,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:12:12,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:12:12,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:12:12,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:12:12,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:12:12,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:12:12,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:12:12,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:12:12,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:12:12,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:12:12,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:12:12,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:12:12,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:12:12,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:12:12,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:12:12,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:12:12,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:12:12,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:12:12,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:12:12,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:12:12,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:12:12,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:12:12,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:12:12,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:12:12,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:12:12,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:12:12,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:12:12,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:12:12,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:12,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:12:12,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:12:12,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:12:12,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:12:12,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:12:12,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:12:12,713 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_8376b0d4-b1fa-454f-a609-dd11d4556efe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c30dcb0753c92b26d7933797d6cb35ad9e557c83930a4dbbba40b5521c6adf [2021-11-22 23:12:13,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:12:13,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:12:13,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:12:13,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:12:13,053 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:12:13,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/sina1.c [2021-11-22 23:12:13,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/data/1a47dfa38/c4be714666f8430587a765f85f2604a1/FLAGfdc4324d1 [2021-11-22 23:12:13,636 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:12:13,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/sv-benchmarks/c/array-fpi/sina1.c [2021-11-22 23:12:13,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/data/1a47dfa38/c4be714666f8430587a765f85f2604a1/FLAGfdc4324d1 [2021-11-22 23:12:13,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/data/1a47dfa38/c4be714666f8430587a765f85f2604a1 [2021-11-22 23:12:13,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:12:13,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:12:14,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:14,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:12:14,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:12:14,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:13" (1/1) ... [2021-11-22 23:12:14,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7121fb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14, skipping insertion in model container [2021-11-22 23:12:14,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:13" (1/1) ... [2021-11-22 23:12:14,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:12:14,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:12:14,248 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_8376b0d4-b1fa-454f-a609-dd11d4556efe/sv-benchmarks/c/array-fpi/sina1.c[588,601] [2021-11-22 23:12:14,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:14,273 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:12:14,285 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_8376b0d4-b1fa-454f-a609-dd11d4556efe/sv-benchmarks/c/array-fpi/sina1.c[588,601] [2021-11-22 23:12:14,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:14,306 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:12:14,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14 WrapperNode [2021-11-22 23:12:14,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:14,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:14,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:12:14,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:12:14,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,349 INFO L137 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2021-11-22 23:12:14,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:14,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:12:14,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:12:14,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:12:14,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:12:14,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:12:14,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:12:14,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:12:14,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:14,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:12:14,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:12:14,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8376b0d4-b1fa-454f-a609-dd11d4556efe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:12:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:12:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:12:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:12:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:12:14,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:12:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:12:14,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:12:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:12:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:12:14,577 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:12:14,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:12:14,804 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:12:14,854 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:12:14,859 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:12:14,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:14 BoogieIcfgContainer [2021-11-22 23:12:14,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:12:14,863 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:12:14,863 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:12:14,875 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:12:14,875 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:14" (1/1) ... [2021-11-22 23:12:14,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:12:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-22 23:12:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-22 23:12:14,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:12:14,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:14,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:12:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:12:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:12:15,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:15,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-22 23:12:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-22 23:12:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:12:15,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:15,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:16,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2021-11-22 23:12:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2021-11-22 23:12:16,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:12:16,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:16,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:16,445 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 23:12:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2021-11-22 23:12:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2021-11-22 23:12:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:12:17,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:17,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 28 states and 61 transitions. [2021-11-22 23:12:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 61 transitions. [2021-11-22 23:12:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:12:19,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:19,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 58 transitions. [2021-11-22 23:12:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 58 transitions. [2021-11-22 23:12:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:12:19,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:19,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 29 states and 60 transitions. [2021-11-22 23:12:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 60 transitions. [2021-11-22 23:12:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:12:20,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:20,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 32 states and 67 transitions. [2021-11-22 23:12:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 67 transitions. [2021-11-22 23:12:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:12:21,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:21,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-11-22 23:12:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-11-22 23:12:21,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:12:21,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:21,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:22,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2021-11-22 23:12:22,720 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2021-11-22 23:12:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:12:22,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:22,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:23,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2021-11-22 23:12:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2021-11-22 23:12:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:12:26,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:26,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2021-11-22 23:12:27,846 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2021-11-22 23:12:27,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:27,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2021-11-22 23:12:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2021-11-22 23:12:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:28,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2021-11-22 23:12:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2021-11-22 23:12:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:33,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:33,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2021-11-22 23:12:40,211 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2021-11-22 23:12:40,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:40,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:40,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:40,452 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2021-11-22 23:12:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2021-11-22 23:12:41,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:41,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:41,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2021-11-22 23:12:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2021-11-22 23:12:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:42,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:42,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2021-11-22 23:12:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2021-11-22 23:12:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:43,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:43,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2021-11-22 23:12:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2021-11-22 23:12:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:50,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:50,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2021-11-22 23:12:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2021-11-22 23:12:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:53,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:53,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2021-11-22 23:12:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-22 23:12:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:55,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:12:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2021-11-22 23:12:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2021-11-22 23:12:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 108 transitions. [2021-11-22 23:13:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 108 transitions. [2021-11-22 23:13:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:13:00,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:00,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:09,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 74 states and 123 transitions. [2021-11-22 23:13:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 123 transitions. [2021-11-22 23:13:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:13:09,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:09,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 74 states and 119 transitions. [2021-11-22 23:13:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 119 transitions. [2021-11-22 23:13:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:13:13,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:13,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2021-11-22 23:13:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2021-11-22 23:13:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:22,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:22,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 86 states and 138 transitions. [2021-11-22 23:13:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2021-11-22 23:13:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:13:26,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:26,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 89 states and 142 transitions. [2021-11-22 23:13:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2021-11-22 23:13:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:13:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:32,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 146 transitions. [2021-11-22 23:13:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2021-11-22 23:13:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:13:39,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:39,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 95 states and 154 transitions. [2021-11-22 23:13:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2021-11-22 23:13:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:13:45,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 98 states and 160 transitions. [2021-11-22 23:13:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2021-11-22 23:13:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:13:49,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:49,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 104 states and 169 transitions. [2021-11-22 23:14:01,081 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2021-11-22 23:14:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:14:01,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:01,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:14:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 110 states and 173 transitions. [2021-11-22 23:14:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 173 transitions. [2021-11-22 23:14:05,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:05,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:05,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 112 states and 176 transitions. [2021-11-22 23:14:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2021-11-22 23:14:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:14,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:14,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 114 states and 178 transitions. [2021-11-22 23:14:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 178 transitions. [2021-11-22 23:14:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:24,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:24,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 117 states and 184 transitions. [2021-11-22 23:14:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2021-11-22 23:14:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:28,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:28,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 120 states and 189 transitions. [2021-11-22 23:14:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 189 transitions. [2021-11-22 23:14:39,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:39,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:39,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 131 states and 204 transitions. [2021-11-22 23:14:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2021-11-22 23:14:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:14:56,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:56,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 133 states and 206 transitions. [2021-11-22 23:15:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2021-11-22 23:15:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:08,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 135 states and 208 transitions. [2021-11-22 23:15:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2021-11-22 23:15:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:15,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:15,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 136 states and 209 transitions. [2021-11-22 23:15:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 209 transitions. [2021-11-22 23:15:17,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:15:17,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:17,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:22,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 139 states and 215 transitions. [2021-11-22 23:15:22,399 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 215 transitions. [2021-11-22 23:15:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:15:22,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:22,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 143 states and 221 transitions. [2021-11-22 23:15:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 221 transitions. [2021-11-22 23:15:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:15:37,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:37,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 145 states and 224 transitions. [2021-11-22 23:15:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2021-11-22 23:15:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:15:44,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 36 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 147 states and 226 transitions. [2021-11-22 23:15:58,949 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 226 transitions. [2021-11-22 23:15:58,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:15:58,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 149 states and 229 transitions. [2021-11-22 23:16:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 229 transitions. [2021-11-22 23:16:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:27,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 160 states and 243 transitions. [2021-11-22 23:16:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 243 transitions. [2021-11-22 23:16:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:41,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:41,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 163 states and 249 transitions. [2021-11-22 23:16:47,712 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 249 transitions. [2021-11-22 23:16:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:47,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 166 states and 254 transitions. [2021-11-22 23:17:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 254 transitions. [2021-11-22 23:17:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:13,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 168 states and 256 transitions. [2021-11-22 23:17:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2021-11-22 23:17:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:21,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:38,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2021-11-22 23:17:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2021-11-22 23:17:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:38,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 173 states and 261 transitions. [2021-11-22 23:18:01,121 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2021-11-22 23:18:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:01,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 174 states and 262 transitions. [2021-11-22 23:18:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 262 transitions. [2021-11-22 23:18:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:03,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 189 states and 284 transitions. [2021-11-22 23:18:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 284 transitions. [2021-11-22 23:18:45,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:45,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 192 states and 290 transitions. [2021-11-22 23:18:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 290 transitions. [2021-11-22 23:18:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:52,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 36 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 196 states and 296 transitions. [2021-11-22 23:19:18,493 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 296 transitions. [2021-11-22 23:19:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:18,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:18,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 198 states and 299 transitions. [2021-11-22 23:19:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 299 transitions. [2021-11-22 23:19:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:19:30,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 208 states and 316 transitions. [2021-11-22 23:20:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 316 transitions. [2021-11-22 23:20:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:20:25,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 28 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:48,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 210 states and 319 transitions. [2021-11-22 23:20:48,670 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 319 transitions. [2021-11-22 23:20:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:20:48,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 212 states and 323 transitions. [2021-11-22 23:21:03,485 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 323 transitions. [2021-11-22 23:21:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:03,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 66 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 214 states and 326 transitions. [2021-11-22 23:21:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 326 transitions. [2021-11-22 23:21:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:14,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 66 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 215 states and 327 transitions. [2021-11-22 23:21:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 327 transitions. [2021-11-22 23:21:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:20,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 208 states and 314 transitions. [2021-11-22 23:21:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 314 transitions. [2021-11-22 23:21:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:24,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:24,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 45 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 211 states and 319 transitions. [2021-11-22 23:21:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 319 transitions. [2021-11-22 23:21:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:50,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 213 states and 321 transitions. [2021-11-22 23:22:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 321 transitions. [2021-11-22 23:22:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:04,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:04,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 214 states and 322 transitions. [2021-11-22 23:22:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 322 transitions. [2021-11-22 23:22:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:07,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:07,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 227 states and 340 transitions. [2021-11-22 23:22:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 340 transitions. [2021-11-22 23:22:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:33,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:33,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 228 states and 341 transitions. [2021-11-22 23:22:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 341 transitions. [2021-11-22 23:22:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:22:35,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:35,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 230 states and 343 transitions. [2021-11-22 23:23:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 343 transitions. [2021-11-22 23:23:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:04,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 233 states and 346 transitions. [2021-11-22 23:23:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 346 transitions. [2021-11-22 23:23:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:30,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:30,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 234 states and 347 transitions. [2021-11-22 23:23:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 347 transitions. [2021-11-22 23:23:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:34,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:34,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.