./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/mbpr4.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_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/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_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/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_f347f63d-9085-4b47-a778-00dbcf07beba/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 d3770c63a87ff983494c9353997301d9eb30588c650f83b67bcf55f325443055 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:15:03,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:15:03,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:15:03,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:15:03,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:15:03,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:15:03,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:15:03,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:15:03,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:15:03,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:15:03,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:15:03,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:15:03,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:15:03,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:15:03,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:15:03,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:15:03,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:15:03,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:15:03,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:15:03,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:15:03,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:15:03,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:15:03,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:15:03,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:15:03,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:15:03,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:15:03,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:15:03,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:15:03,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:15:03,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:15:03,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:15:03,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:15:03,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:15:03,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:15:03,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:15:03,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:15:03,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:15:03,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:15:03,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:15:03,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:15:03,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:15:03,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:15:03,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:15:03,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:15:03,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:15:03,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:15:03,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:15:03,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:15:03,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:15:03,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:15:03,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:15:03,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:15:03,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:15:03,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:15:03,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:15:03,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:15:03,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:15:03,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:15:03,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:15:03,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:15:03,598 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:15:03,598 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:15:03,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:15:03,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:03,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:15:03,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:15:03,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:15:03,600 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:15:03,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:15:03,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:15:03,601 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_f347f63d-9085-4b47-a778-00dbcf07beba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3770c63a87ff983494c9353997301d9eb30588c650f83b67bcf55f325443055 [2021-11-22 23:15:03,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:15:03,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:15:03,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:15:03,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:15:03,979 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:15:03,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/mbpr4.c [2021-11-22 23:15:04,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/data/2d94a91a6/1e22baf3e4344a35852f20f5da2bec0c/FLAGa2ec4c3ab [2021-11-22 23:15:04,677 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:15:04,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/sv-benchmarks/c/array-tiling/mbpr4.c [2021-11-22 23:15:04,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/data/2d94a91a6/1e22baf3e4344a35852f20f5da2bec0c/FLAGa2ec4c3ab [2021-11-22 23:15:05,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/data/2d94a91a6/1e22baf3e4344a35852f20f5da2bec0c [2021-11-22 23:15:05,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:15:05,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:15:05,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:05,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:15:05,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:15:05,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b298fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05, skipping insertion in model container [2021-11-22 23:15:05,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:15:05,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:15:05,299 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_f347f63d-9085-4b47-a778-00dbcf07beba/sv-benchmarks/c/array-tiling/mbpr4.c[396,409] [2021-11-22 23:15:05,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:05,387 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:15:05,411 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_f347f63d-9085-4b47-a778-00dbcf07beba/sv-benchmarks/c/array-tiling/mbpr4.c[396,409] [2021-11-22 23:15:05,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:05,457 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:15:05,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05 WrapperNode [2021-11-22 23:15:05,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:05,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:05,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:15:05,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:15:05,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,521 INFO L137 Inliner]: procedures = 15, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2021-11-22 23:15:05,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:05,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:15:05,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:15:05,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:15:05,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:15:05,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:15:05,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:15:05,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:15:05,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:05,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:15:05,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:15:05,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f347f63d-9085-4b47-a778-00dbcf07beba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:15:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:15:05,791 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:15:05,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:15:06,030 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:15:06,184 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:15:06,184 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-22 23:15:06,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:06 BoogieIcfgContainer [2021-11-22 23:15:06,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:15:06,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:15:06,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:15:06,200 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:15:06,201 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:15:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-22 23:15:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-22 23:15:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:15:06,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:06,740 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 23:15:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2021-11-22 23:15:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2021-11-22 23:15:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:15:06,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,303 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 23:15:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2021-11-22 23:15:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-22 23:15:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:15:07,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:07,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-22 23:15:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-22 23:15:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:15:07,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:07,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-11-22 23:15:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-11-22 23:15:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:08,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:09,049 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 23:15:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2021-11-22 23:15:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2021-11-22 23:15:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:11,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:11,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2021-11-22 23:15:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2021-11-22 23:15:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:13,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:13,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2021-11-22 23:15:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2021-11-22 23:15:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:15,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:15,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 68 transitions. [2021-11-22 23:15:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2021-11-22 23:15:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:16,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:16,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2021-11-22 23:15:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2021-11-22 23:15:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:17,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:17,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2021-11-22 23:15:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2021-11-22 23:15:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:20,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:20,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:21,949 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 23:15:26,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2021-11-22 23:15:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2021-11-22 23:15:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:15:26,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:15:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-22 23:15:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-22 23:15:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:15:28,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:15:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2021-11-22 23:15:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2021-11-22 23:15:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:15:28,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2021-11-22 23:15:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2021-11-22 23:15:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:15:30,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:30,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:34,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2021-11-22 23:15:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2021-11-22 23:15:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:15:34,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:34,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2021-11-22 23:15:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2021-11-22 23:15:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:15:42,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:42,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:15:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 137 transitions. [2021-11-22 23:15:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2021-11-22 23:15:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:15:45,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:45,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 73 states and 134 transitions. [2021-11-22 23:15:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2021-11-22 23:15:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:46,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:15:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2021-11-22 23:15:47,618 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2021-11-22 23:15:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:47,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:47,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 68 states and 124 transitions. [2021-11-22 23:15:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 124 transitions. [2021-11-22 23:15:59,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:59,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:59,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:15:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 69 states and 125 transitions. [2021-11-22 23:15:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 125 transitions. [2021-11-22 23:15:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:59,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:59,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:12,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2021-11-22 23:16:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2021-11-22 23:16:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:16:12,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 158 transitions. [2021-11-22 23:16:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2021-11-22 23:16:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:16:22,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:22,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 82 states and 162 transitions. [2021-11-22 23:16:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 162 transitions. [2021-11-22 23:16:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:16:26,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2021-11-22 23:16:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2021-11-22 23:16:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:16:27,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 86 states and 177 transitions. [2021-11-22 23:16:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2021-11-22 23:16:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:16:38,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:16:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 93 states and 188 transitions. [2021-11-22 23:16:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 188 transitions. [2021-11-22 23:16:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:46,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:46,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 188 transitions. [2021-11-22 23:16:49,954 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2021-11-22 23:16:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:49,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:49,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 100 states and 200 transitions. [2021-11-22 23:17:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 200 transitions. [2021-11-22 23:17:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:10,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:17:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 114 states and 244 transitions. [2021-11-22 23:17:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 244 transitions. [2021-11-22 23:17:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:29,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:17:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 119 states and 255 transitions. [2021-11-22 23:17:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 255 transitions. [2021-11-22 23:17:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:37,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:17:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 120 states and 256 transitions. [2021-11-22 23:17:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 256 transitions. [2021-11-22 23:17:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:39,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:17:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 121 states and 257 transitions. [2021-11-22 23:17:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 257 transitions. [2021-11-22 23:17:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:41,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:17:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 122 states and 259 transitions. [2021-11-22 23:17:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 259 transitions. [2021-11-22 23:17:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:44,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:17:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 130 states and 271 transitions. [2021-11-22 23:17:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 271 transitions. [2021-11-22 23:17:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:55,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:18:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 135 states and 281 transitions. [2021-11-22 23:18:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 281 transitions. [2021-11-22 23:18:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:11,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:18:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 136 states and 281 transitions. [2021-11-22 23:18:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 281 transitions. [2021-11-22 23:18:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:14,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:18:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 141 states and 289 transitions. [2021-11-22 23:18:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 289 transitions. [2021-11-22 23:18:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:20,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:18:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 142 states and 291 transitions. [2021-11-22 23:18:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 291 transitions. [2021-11-22 23:18:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:23,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:18:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 148 states and 304 transitions. [2021-11-22 23:18:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 304 transitions. [2021-11-22 23:18:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:32,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:18:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 149 states and 306 transitions. [2021-11-22 23:18:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 306 transitions. [2021-11-22 23:18:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:33,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,045 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 23:19:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 155 states and 319 transitions. [2021-11-22 23:19:01,876 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 319 transitions. [2021-11-22 23:19:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:19:01,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:19:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 156 states and 323 transitions. [2021-11-22 23:19:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 323 transitions. [2021-11-22 23:19:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:19:03,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:19:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 157 states and 324 transitions. [2021-11-22 23:19:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 324 transitions. [2021-11-22 23:19:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:06,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 172 states and 371 transitions. [2021-11-22 23:19:54,157 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 371 transitions. [2021-11-22 23:19:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:54,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-22 23:19:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 160 states and 346 transitions. [2021-11-22 23:19:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 346 transitions. [2021-11-22 23:19:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:56,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:56,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 161 states and 347 transitions. [2021-11-22 23:19:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 347 transitions. [2021-11-22 23:19:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:19:59,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 166 states and 355 transitions. [2021-11-22 23:20:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 355 transitions. [2021-11-22 23:20:29,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:20:29,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:20:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 167 states and 356 transitions. [2021-11-22 23:20:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 356 transitions. [2021-11-22 23:20:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:20:39,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:20:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 174 states and 366 transitions. [2021-11-22 23:20:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 366 transitions. [2021-11-22 23:20:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:20:52,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:20:56,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 175 states and 367 transitions. [2021-11-22 23:20:56,841 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 367 transitions. [2021-11-22 23:20:56,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:20:56,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:21:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 181 states and 380 transitions. [2021-11-22 23:21:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 380 transitions. [2021-11-22 23:21:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:23,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:23,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:21:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 184 states and 386 transitions. [2021-11-22 23:21:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 386 transitions. [2021-11-22 23:21:34,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:34,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 202 states and 442 transitions. [2021-11-22 23:22:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 442 transitions. [2021-11-22 23:22:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:22:39,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:39,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:22:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 207 states and 453 transitions. [2021-11-22 23:22:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 453 transitions. [2021-11-22 23:22:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:22:59,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:59,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 210 states and 461 transitions. [2021-11-22 23:23:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 461 transitions. [2021-11-22 23:23:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:04,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 211 states and 462 transitions. [2021-11-22 23:23:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 462 transitions. [2021-11-22 23:23:44,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:44,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:47,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 212 states and 464 transitions. [2021-11-22 23:23:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2021-11-22 23:23:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:47,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:47,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:23:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 213 states and 467 transitions. [2021-11-22 23:23:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 467 transitions. [2021-11-22 23:23:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:52,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 215 states and 476 transitions. [2021-11-22 23:23:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 476 transitions. [2021-11-22 23:23:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:58,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:58,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 216 states and 488 transitions. [2021-11-22 23:24:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 488 transitions. [2021-11-22 23:24:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:24:02,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:02,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 223 states and 510 transitions. [2021-11-22 23:25:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 510 transitions. [2021-11-22 23:25:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:25:13,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,549 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 16 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:55,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 226 states and 514 transitions. [2021-11-22 23:25:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 514 transitions. [2021-11-22 23:25:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:55,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:55,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 58 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:26:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 227 states and 515 transitions. [2021-11-22 23:26:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 515 transitions. [2021-11-22 23:26:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:07,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:07,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:26:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 231 states and 522 transitions. [2021-11-22 23:26:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 522 transitions. [2021-11-22 23:26:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:32,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:32,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:26:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 234 states and 526 transitions. [2021-11-22 23:26:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 526 transitions. [2021-11-22 23:26:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:46,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:46,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.