./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e --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 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:03:44,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:03:44,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:03:44,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:03:44,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:03:44,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:03:44,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:03:44,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:03:44,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:03:44,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:03:44,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:03:44,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:03:44,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:03:44,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:03:44,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:03:44,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:03:44,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:03:44,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:03:44,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:03:44,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:03:44,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:03:44,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:03:44,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:03:44,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:03:44,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:03:44,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:03:44,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:03:44,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:03:44,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:03:44,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:03:44,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:03:44,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:03:44,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:03:44,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:03:44,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:03:44,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:03:44,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:03:44,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:03:44,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:03:44,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:03:44,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:03:44,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:03:44,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:03:44,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:03:44,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:03:44,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:03:44,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:03:44,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:03:44,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:03:44,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:03:44,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:03:44,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:03:44,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:03:44,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:03:44,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:03:44,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:03:44,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:03:44,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:03:44,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:03:44,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:03:44,582 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:03:44,582 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:03:44,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:03:44,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:44,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:03:44,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:03:44,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:03:44,583 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:03:44,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:03:44,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:03:44,584 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_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e [2021-11-13 23:03:44,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:03:44,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:03:44,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:03:44,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:03:44,902 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:03:44,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2021-11-13 23:03:44,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/data/570124c03/a8734bb42d5c4f43bfe504aa40dc6663/FLAGb48df7f7c [2021-11-13 23:03:45,506 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:03:45,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2021-11-13 23:03:45,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/data/570124c03/a8734bb42d5c4f43bfe504aa40dc6663/FLAGb48df7f7c [2021-11-13 23:03:45,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/data/570124c03/a8734bb42d5c4f43bfe504aa40dc6663 [2021-11-13 23:03:45,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:03:45,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:03:45,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:45,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:03:45,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:03:45,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:45" (1/1) ... [2021-11-13 23:03:45,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7f8c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:45, skipping insertion in model container [2021-11-13 23:03:45,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:45" (1/1) ... [2021-11-13 23:03:45,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:03:45,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:03:46,044 WARN L228 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_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2021-11-13 23:03:46,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:46,065 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:03:46,076 WARN L228 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_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2021-11-13 23:03:46,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:46,094 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:03:46,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46 WrapperNode [2021-11-13 23:03:46,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:46,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:46,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:03:46,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:03:46,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:46,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:03:46,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:03:46,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:03:46,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:03:46,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:03:46,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:03:46,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:03:46,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:46,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:03:46,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:03:46,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de4432bb-bc7c-4e2d-be12-f2294c30a1ab/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:03:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 23:03:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 23:03:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:03:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:03:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:03:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:03:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:03:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:03:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:03:46,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:03:46,487 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:03:46,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:46 BoogieIcfgContainer [2021-11-13 23:03:46,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:03:46,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:03:46,490 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:03:46,500 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:03:46,501 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:46" (1/1) ... [2021-11-13 23:03:46,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:03:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-13 23:03:46,639 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-13 23:03:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:03:46,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:46,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:03:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2021-11-13 23:03:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-13 23:03:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:03:47,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:47,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:47,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 25 transitions. [2021-11-13 23:03:47,464 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-13 23:03:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:03:47,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:47,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:03:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 34 transitions. [2021-11-13 23:03:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2021-11-13 23:03:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:03:48,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:48,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 23 transitions. [2021-11-13 23:03:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-13 23:03:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:03:50,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:50,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 24 states and 34 transitions. [2021-11-13 23:03:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-13 23:03:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:03:52,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:52,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:03:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 38 transitions. [2021-11-13 23:03:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-11-13 23:03:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:03:55,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:55,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:03:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 51 transitions. [2021-11-13 23:03:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2021-11-13 23:03:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:03:57,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:57,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:03:59,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 35 states and 52 transitions. [2021-11-13 23:03:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2021-11-13 23:03:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:03:59,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:59,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 34 states and 50 transitions. [2021-11-13 23:04:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2021-11-13 23:04:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:04:01,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:01,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 59 transitions. [2021-11-13 23:04:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2021-11-13 23:04:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:04:07,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:07,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 61 transitions. [2021-11-13 23:04:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2021-11-13 23:04:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:04:09,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:09,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:04:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 82 transitions. [2021-11-13 23:04:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-13 23:04:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:04:17,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:17,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:04:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 80 transitions. [2021-11-13 23:04:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-11-13 23:04:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:04:20,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:20,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:04:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 56 states and 80 transitions. [2021-11-13 23:04:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2021-11-13 23:04:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:04:21,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:21,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 66 states and 94 transitions. [2021-11-13 23:04:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2021-11-13 23:04:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:04:30,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:30,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:31,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 94 transitions. [2021-11-13 23:04:31,499 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2021-11-13 23:04:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:04:31,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:31,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:04:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 96 transitions. [2021-11-13 23:04:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-11-13 23:04:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:04:34,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:34,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:04:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 109 transitions. [2021-11-13 23:04:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-11-13 23:04:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:04:47,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:47,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:04:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 107 transitions. [2021-11-13 23:04:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-11-13 23:04:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:04:50,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:50,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:04:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 77 states and 106 transitions. [2021-11-13 23:04:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-11-13 23:04:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:04:53,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:53,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:05:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 122 transitions. [2021-11-13 23:05:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2021-11-13 23:05:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:05:04,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:04,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:05:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:10,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 91 states and 124 transitions. [2021-11-13 23:05:10,002 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2021-11-13 23:05:10,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:05:10,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:10,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:05:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 124 transitions. [2021-11-13 23:05:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 124 transitions. [2021-11-13 23:05:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:05:10,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:10,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:05:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 105 states and 142 transitions. [2021-11-13 23:05:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2021-11-13 23:05:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:05:28,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:28,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 104 states and 140 transitions. [2021-11-13 23:05:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2021-11-13 23:05:34,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:05:34,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:34,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:05:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 105 states and 140 transitions. [2021-11-13 23:05:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2021-11-13 23:05:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:05:35,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:35,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:05:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 139 transitions. [2021-11-13 23:05:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2021-11-13 23:05:38,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:05:38,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:38,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:06:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 119 states and 160 transitions. [2021-11-13 23:06:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2021-11-13 23:06:04,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:06:04,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:04,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 120 states and 162 transitions. [2021-11-13 23:06:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2021-11-13 23:06:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:06:14,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:14,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:06:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 120 states and 161 transitions. [2021-11-13 23:06:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2021-11-13 23:06:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:06:21,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:21,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:06:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 159 transitions. [2021-11-13 23:06:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2021-11-13 23:06:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:06:26,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:26,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 119 states and 158 transitions. [2021-11-13 23:06:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2021-11-13 23:06:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:06:43,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:43,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:07:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 132 states and 176 transitions. [2021-11-13 23:07:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 176 transitions. [2021-11-13 23:07:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:07:03,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:03,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:07:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 136 states and 181 transitions. [2021-11-13 23:07:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 181 transitions. [2021-11-13 23:07:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:07:08,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:08,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:07:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 137 states and 181 transitions. [2021-11-13 23:07:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2021-11-13 23:07:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:07:10,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:10,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 138 states and 183 transitions. [2021-11-13 23:07:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 183 transitions. [2021-11-13 23:07:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:07:17,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:17,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 152 states and 202 transitions. [2021-11-13 23:07:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2021-11-13 23:07:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:07:48,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:48,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 122 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 151 states and 200 transitions. [2021-11-13 23:07:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 200 transitions. [2021-11-13 23:07:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:07:53,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:53,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 199 transitions. [2021-11-13 23:08:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 199 transitions. [2021-11-13 23:08:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:08:03,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:03,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:08:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 151 states and 198 transitions. [2021-11-13 23:08:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2021-11-13 23:08:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:08:08,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:08,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:08:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 219 transitions. [2021-11-13 23:08:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 219 transitions. [2021-11-13 23:08:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:08:44,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:44,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:08:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 220 transitions. [2021-11-13 23:08:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 220 transitions. [2021-11-13 23:08:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:08:47,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:47,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:08:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:54,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 222 transitions. [2021-11-13 23:08:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 222 transitions. [2021-11-13 23:08:54,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:08:54,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:54,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:09:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 221 transitions. [2021-11-13 23:09:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 221 transitions. [2021-11-13 23:09:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:09:02,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:02,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 1 proven. 154 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:09:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:08,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 219 transitions. [2021-11-13 23:09:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2021-11-13 23:09:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:09:08,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:08,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:09:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 165 states and 218 transitions. [2021-11-13 23:09:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 218 transitions. [2021-11-13 23:09:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:09:18,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:18,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 127 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:09:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 181 states and 240 transitions. [2021-11-13 23:09:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2021-11-13 23:09:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:09:55,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:55,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 1 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 181 states and 239 transitions. [2021-11-13 23:10:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 239 transitions. [2021-11-13 23:10:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:10:10,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:10,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 127 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:10:12,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 182 states and 239 transitions. [2021-11-13 23:10:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2021-11-13 23:10:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:10:12,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:12,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 127 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:10:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:14,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 183 states and 240 transitions. [2021-11-13 23:10:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 240 transitions. [2021-11-13 23:10:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:10:14,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:14,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:21,983 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 1 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 196 states and 260 transitions. [2021-11-13 23:11:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2021-11-13 23:11:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:11:06,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:06,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 1 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 197 states and 260 transitions. [2021-11-13 23:11:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2021-11-13 23:11:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:11:09,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:09,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:11:24,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 198 states and 262 transitions. [2021-11-13 23:11:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 262 transitions. [2021-11-13 23:11:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:11:24,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:24,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 1 proven. 183 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:40,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 198 states and 261 transitions. [2021-11-13 23:11:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 261 transitions. [2021-11-13 23:11:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:11:40,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:40,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:11:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 197 states and 259 transitions. [2021-11-13 23:11:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2021-11-13 23:11:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:11:49,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:49,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:12:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 197 states and 258 transitions. [2021-11-13 23:12:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 258 transitions. [2021-11-13 23:12:01,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:12:01,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:01,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:12:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 210 states and 280 transitions. [2021-11-13 23:12:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 280 transitions. [2021-11-13 23:12:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:12:53,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:53,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 210 states and 279 transitions. [2021-11-13 23:13:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 279 transitions. [2021-11-13 23:13:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:13:01,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:01,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 211 states and 280 transitions. [2021-11-13 23:13:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2021-11-13 23:13:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:13:05,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:05,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 211 states and 279 transitions. [2021-11-13 23:13:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 279 transitions. [2021-11-13 23:13:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:13:19,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:19,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 212 states and 281 transitions. [2021-11-13 23:13:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2021-11-13 23:13:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:13:31,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:31,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 223 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 212 states and 280 transitions. [2021-11-13 23:13:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 280 transitions. [2021-11-13 23:13:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:13:42,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:42,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 188 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:14:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 228 states and 302 transitions. [2021-11-13 23:14:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 302 transitions. [2021-11-13 23:14:36,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:14:36,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 1 proven. 232 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:14:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:47,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 227 states and 300 transitions. [2021-11-13 23:14:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 300 transitions. [2021-11-13 23:14:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:14:47,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:47,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 188 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:14:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 228 states and 300 transitions. [2021-11-13 23:14:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 300 transitions. [2021-11-13 23:14:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:14:50,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:50,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:15:04,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 228 states and 299 transitions. [2021-11-13 23:15:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 299 transitions. [2021-11-13 23:15:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:15:04,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:04,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 188 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:15:07,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 229 states and 300 transitions. [2021-11-13 23:15:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2021-11-13 23:15:07,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:15:07,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:07,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.