./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condm.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_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/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_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/condm.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/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_4b93c03b-7217-4d2b-8464-76b563b40fd9/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 6f961be2104ef3ac444088284f7936b105cc31dfbd8617bc6896bf1b51a5f23d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:21,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:21,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:21,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:21,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:21,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:21,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:21,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:21,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:21,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:21,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:21,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:21,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:21,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:21,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:21,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:21,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:21,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:21,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:21,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:21,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:21,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:21,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:21,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:21,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:21,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:21,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:21,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:21,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:21,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:21,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:21,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:21,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:21,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:21,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:21,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:21,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:21,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:21,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:21,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:21,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:21,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:37:21,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:21,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:21,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:37:21,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:37:21,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:21,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:21,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:21,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:37:21,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:21,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:37:21,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:21,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:37:21,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:21,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:37:21,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:37:21,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:37:21,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:21,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:37:21,382 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:21,382 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:21,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:21,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:21,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:21,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:21,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:37:21,385 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:21,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:21,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:37:21,386 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_4b93c03b-7217-4d2b-8464-76b563b40fd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f961be2104ef3ac444088284f7936b105cc31dfbd8617bc6896bf1b51a5f23d [2021-11-23 00:37:21,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:21,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:21,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:21,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:21,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:21,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/condm.c [2021-11-23 00:37:21,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/data/ce8b4fdc7/4e198818c9174dd4848a4d20adc85793/FLAGdeb86a337 [2021-11-23 00:37:22,305 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:22,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/sv-benchmarks/c/array-fpi/condm.c [2021-11-23 00:37:22,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/data/ce8b4fdc7/4e198818c9174dd4848a4d20adc85793/FLAGdeb86a337 [2021-11-23 00:37:22,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/data/ce8b4fdc7/4e198818c9174dd4848a4d20adc85793 [2021-11-23 00:37:22,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:22,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:22,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:22,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:22,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:22,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:22,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6653b0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22, skipping insertion in model container [2021-11-23 00:37:22,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:22,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:22,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:22,850 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_4b93c03b-7217-4d2b-8464-76b563b40fd9/sv-benchmarks/c/array-fpi/condm.c[588,601] [2021-11-23 00:37:22,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:22,915 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:22,936 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_4b93c03b-7217-4d2b-8464-76b563b40fd9/sv-benchmarks/c/array-fpi/condm.c[588,601] [2021-11-23 00:37:22,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:22,973 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:22,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22 WrapperNode [2021-11-23 00:37:22,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:22,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:22,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:22,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:22,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,041 INFO L137 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2021-11-23 00:37:23,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:23,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:23,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:23,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:23,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:23,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:23,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:23,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:23,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:22" (1/1) ... [2021-11-23 00:37:23,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:23,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:23,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:23,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b93c03b-7217-4d2b-8464-76b563b40fd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:37:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:37:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:37:23,285 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:23,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:23,424 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:23,468 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:23,469 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:37:23,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:23 BoogieIcfgContainer [2021-11-23 00:37:23,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:23,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:23,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:23,484 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:23,484 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:23" (1/1) ... [2021-11-23 00:37:23,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:37:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:37:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:23,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:23,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:37:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:37:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:37:23,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:23,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:37:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:37:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:37:23,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:23,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2021-11-23 00:37:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2021-11-23 00:37:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:37:26,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:27,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2021-11-23 00:37:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2021-11-23 00:37:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:37:27,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:27,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2021-11-23 00:37:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2021-11-23 00:37:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:37:27,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:27,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2021-11-23 00:37:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2021-11-23 00:37:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:31,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:31,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:31,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-11-23 00:37:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-11-23 00:37:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:31,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:31,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:32,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2021-11-23 00:37:32,466 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2021-11-23 00:37:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:32,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:32,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2021-11-23 00:37:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2021-11-23 00:37:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:34,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:34,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2021-11-23 00:37:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2021-11-23 00:37:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:35,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:35,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2021-11-23 00:37:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2021-11-23 00:37:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:40,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2021-11-23 00:37:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2021-11-23 00:37:41,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:37:41,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 103 transitions. [2021-11-23 00:37:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2021-11-23 00:37:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:37:46,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:46,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 107 transitions. [2021-11-23 00:37:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions. [2021-11-23 00:37:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:37:47,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:47,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:47,927 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2021-11-23 00:37:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2021-11-23 00:37:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:37:49,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:51,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2021-11-23 00:37:51,449 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2021-11-23 00:37:51,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:51,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:51,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:37:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2021-11-23 00:37:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2021-11-23 00:37:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:52,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2021-11-23 00:37:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2021-11-23 00:37:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:53,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:53,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 99 transitions. [2021-11-23 00:37:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 99 transitions. [2021-11-23 00:37:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:59,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:59,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2021-11-23 00:38:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2021-11-23 00:38:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:01,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:01,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 56 states and 102 transitions. [2021-11-23 00:38:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 102 transitions. [2021-11-23 00:38:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:03,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:03,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 64 states and 119 transitions. [2021-11-23 00:38:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 119 transitions. [2021-11-23 00:38:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:13,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:13,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:38:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2021-11-23 00:38:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-11-23 00:38:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:18,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:18,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 75 states and 139 transitions. [2021-11-23 00:38:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 139 transitions. [2021-11-23 00:38:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:20,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:20,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 135 transitions. [2021-11-23 00:38:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 135 transitions. [2021-11-23 00:38:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:29,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:29,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:38:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 75 states and 133 transitions. [2021-11-23 00:38:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 133 transitions. [2021-11-23 00:38:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:38:30,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:30,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:42,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 82 states and 147 transitions. [2021-11-23 00:38:42,696 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 147 transitions. [2021-11-23 00:38:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:38:42,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:42,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 84 states and 151 transitions. [2021-11-23 00:38:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2021-11-23 00:38:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:38:45,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:45,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 86 states and 155 transitions. [2021-11-23 00:38:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 155 transitions. [2021-11-23 00:38:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:38:48,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:48,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:02,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 96 states and 170 transitions. [2021-11-23 00:39:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2021-11-23 00:39:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:02,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:02,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:39:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 97 states and 171 transitions. [2021-11-23 00:39:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 171 transitions. [2021-11-23 00:39:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:03,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:03,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 100 states and 176 transitions. [2021-11-23 00:39:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 176 transitions. [2021-11-23 00:39:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:06,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:06,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:39:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 100 states and 174 transitions. [2021-11-23 00:39:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 174 transitions. [2021-11-23 00:39:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:06,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:06,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 171 transitions. [2021-11-23 00:39:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2021-11-23 00:39:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:17,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:17,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 101 states and 172 transitions. [2021-11-23 00:39:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2021-11-23 00:39:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:39:19,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:19,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:39:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 173 transitions. [2021-11-23 00:39:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2021-11-23 00:39:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:39:20,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:20,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 106 states and 179 transitions. [2021-11-23 00:39:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2021-11-23 00:39:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:39:36,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 108 states and 183 transitions. [2021-11-23 00:39:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 183 transitions. [2021-11-23 00:39:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:39:41,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:41,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 119 states and 203 transitions. [2021-11-23 00:40:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2021-11-23 00:40:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:40:05,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:05,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 209 transitions. [2021-11-23 00:40:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2021-11-23 00:40:10,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:40:10,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:10,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 203 transitions. [2021-11-23 00:40:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2021-11-23 00:40:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:40:26,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:26,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:40:33,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 215 transitions. [2021-11-23 00:40:33,702 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2021-11-23 00:40:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:40:33,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:33,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 133 states and 221 transitions. [2021-11-23 00:40:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 221 transitions. [2021-11-23 00:40:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:40:56,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:56,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:00,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 135 states and 225 transitions. [2021-11-23 00:41:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2021-11-23 00:41:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:00,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:00,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:41:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 135 states and 223 transitions. [2021-11-23 00:41:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 223 transitions. [2021-11-23 00:41:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:02,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:02,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:41:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 136 states and 224 transitions. [2021-11-23 00:41:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 224 transitions. [2021-11-23 00:41:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:03,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:03,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 37 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 141 states and 232 transitions. [2021-11-23 00:41:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 232 transitions. [2021-11-23 00:41:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:09,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:09,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 141 states and 230 transitions. [2021-11-23 00:41:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 230 transitions. [2021-11-23 00:41:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:24,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:24,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 146 states and 236 transitions. [2021-11-23 00:41:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 236 transitions. [2021-11-23 00:41:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:41:47,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:47,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 160 states and 260 transitions. [2021-11-23 00:42:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 260 transitions. [2021-11-23 00:42:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:42:22,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:22,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 162 states and 262 transitions. [2021-11-23 00:42:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2021-11-23 00:42:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:42:29,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:29,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 168 states and 270 transitions. [2021-11-23 00:43:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 270 transitions. [2021-11-23 00:43:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:43:04,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:04,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:43:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 168 states and 268 transitions. [2021-11-23 00:43:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 268 transitions. [2021-11-23 00:43:08,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:43:08,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 138 states and 205 transitions. [2021-11-23 00:43:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 205 transitions. [2021-11-23 00:43:34,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:43:34,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:34,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 141 states and 208 transitions. [2021-11-23 00:44:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 208 transitions. [2021-11-23 00:44:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:44:04,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:04,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 151 states and 223 transitions. [2021-11-23 00:44:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 223 transitions. [2021-11-23 00:44:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:44:59,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:59,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 154 states and 225 transitions. [2021-11-23 00:45:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 225 transitions. [2021-11-23 00:45:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:45:47,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:47,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:45:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-23 00:45:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-23 00:45:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:45:52,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:52,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:46:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 163 states and 238 transitions. [2021-11-23 00:46:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 238 transitions. [2021-11-23 00:46:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:46:09,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:09,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:46:15,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 166 states and 241 transitions. [2021-11-23 00:46:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-11-23 00:46:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:46:15,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:15,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 171 states and 246 transitions. [2021-11-23 00:47:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 246 transitions. [2021-11-23 00:47:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:47:00,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:00,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 15 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 174 states and 250 transitions. [2021-11-23 00:47:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 250 transitions. [2021-11-23 00:47:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:47:47,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:47,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 177 states and 254 transitions. [2021-11-23 00:48:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 254 transitions. [2021-11-23 00:48:24,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:48:24,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:24,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 15 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 178 states and 255 transitions. [2021-11-23 00:48:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 255 transitions. [2021-11-23 00:48:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:48:28,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:28,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 179 states and 256 transitions. [2021-11-23 00:49:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 256 transitions. [2021-11-23 00:49:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:49:12,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:12,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat