./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.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_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/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_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/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_b28e92fa-eeca-4149-b3ea-033d0d28b40d/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 558f970b63375a18824a4471ce91e71e4e14632a20bfa5002df552fa8b202ea3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:11:40,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:11:40,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:11:40,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:11:40,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:11:40,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:11:40,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:11:40,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:11:40,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:11:40,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:11:40,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:11:40,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:11:40,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:11:40,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:11:40,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:11:40,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:11:40,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:11:40,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:11:40,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:11:40,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:11:40,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:11:40,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:11:40,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:11:40,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:11:40,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:11:40,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:11:40,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:11:40,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:11:40,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:11:40,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:11:40,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:11:40,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:11:40,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:11:40,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:11:40,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:11:40,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:11:40,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:11:40,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:11:40,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:11:40,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:11:40,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:11:40,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:11:40,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:11:40,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:11:40,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:11:40,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:11:40,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:11:40,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:11:40,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:11:40,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:11:40,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:11:40,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:11:40,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:11:40,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:11:40,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:11:40,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:11:40,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:11:40,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:11:40,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:11:40,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:11:40,381 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:11:40,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:11:40,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:11:40,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:11:40,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:11:40,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:11:40,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:11:40,383 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:11:40,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:11:40,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:11:40,384 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_b28e92fa-eeca-4149-b3ea-033d0d28b40d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 558f970b63375a18824a4471ce91e71e4e14632a20bfa5002df552fa8b202ea3 [2021-11-22 23:11:40,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:11:40,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:11:40,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:11:40,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:11:40,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:11:40,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c [2021-11-22 23:11:40,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/data/296c8c08f/4096ba4b4cf04dfca3a6597f2eec8ebb/FLAG3dcd2420b [2021-11-22 23:11:41,273 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:11:41,274 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c [2021-11-22 23:11:41,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/data/296c8c08f/4096ba4b4cf04dfca3a6597f2eec8ebb/FLAG3dcd2420b [2021-11-22 23:11:41,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/data/296c8c08f/4096ba4b4cf04dfca3a6597f2eec8ebb [2021-11-22 23:11:41,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:11:41,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:11:41,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:11:41,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:11:41,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:11:41,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:11:41" (1/1) ... [2021-11-22 23:11:41,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67dcbcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:41, skipping insertion in model container [2021-11-22 23:11:41,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:11:41" (1/1) ... [2021-11-22 23:11:41,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:11:41,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:11:41,924 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_b28e92fa-eeca-4149-b3ea-033d0d28b40d/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c[14509,14522] [2021-11-22 23:11:41,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:11:41,937 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:11:42,001 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_b28e92fa-eeca-4149-b3ea-033d0d28b40d/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c[14509,14522] [2021-11-22 23:11:42,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:11:42,018 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:11:42,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42 WrapperNode [2021-11-22 23:11:42,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:11:42,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:11:42,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:11:42,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:11:42,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,107 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 479 [2021-11-22 23:11:42,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:11:42,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:11:42,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:11:42,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:11:42,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:11:42,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:11:42,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:11:42,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:11:42,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:42" (1/1) ... [2021-11-22 23:11:42,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:11:42,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:11:42,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:11:42,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28e92fa-eeca-4149-b3ea-033d0d28b40d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:11:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:11:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:11:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:11:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:11:42,363 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:11:42,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:11:43,022 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:11:43,684 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:11:43,685 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:11:43,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:11:43 BoogieIcfgContainer [2021-11-22 23:11:43,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:11:43,689 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:11:43,689 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:11:43,700 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:11:43,701 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:11:43" (1/1) ... [2021-11-22 23:11:43,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:11:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-22 23:11:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-22 23:11:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:11:43,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:43,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-22 23:11:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-22 23:11:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:11:44,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:44,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:45,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-22 23:11:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-22 23:11:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:11:45,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:45,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-22 23:11:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-22 23:11:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:11:45,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:45,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-22 23:11:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-22 23:11:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:11:46,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:46,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-22 23:11:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-22 23:11:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:11:48,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:48,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-11-22 23:11:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-22 23:11:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:11:49,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:49,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-22 23:11:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-22 23:11:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:11:49,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:49,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2021-11-22 23:11:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2021-11-22 23:11:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:11:49,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:49,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2021-11-22 23:11:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-11-22 23:11:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:11:52,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:52,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2021-11-22 23:11:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2021-11-22 23:11:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:11:52,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:52,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 76 states and 135 transitions. [2021-11-22 23:11:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 135 transitions. [2021-11-22 23:11:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:11:57,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:57,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 90 states and 159 transitions. [2021-11-22 23:12:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2021-11-22 23:12:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:01,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 91 states and 161 transitions. [2021-11-22 23:12:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 161 transitions. [2021-11-22 23:12:01,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:12:01,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 109 states and 195 transitions. [2021-11-22 23:12:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 195 transitions. [2021-11-22 23:12:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:12:07,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:07,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 111 states and 201 transitions. [2021-11-22 23:12:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2021-11-22 23:12:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:12:07,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:07,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 112 states and 204 transitions. [2021-11-22 23:12:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 204 transitions. [2021-11-22 23:12:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:12:08,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:08,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 126 states and 231 transitions. [2021-11-22 23:12:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 231 transitions. [2021-11-22 23:12:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:12:12,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:12,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 129 states and 240 transitions. [2021-11-22 23:12:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 240 transitions. [2021-11-22 23:12:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:12:14,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:14,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 130 states and 241 transitions. [2021-11-22 23:12:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 241 transitions. [2021-11-22 23:12:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:12:14,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:14,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 131 states and 246 transitions. [2021-11-22 23:12:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 246 transitions. [2021-11-22 23:12:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:12:15,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:15,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 145 states and 275 transitions. [2021-11-22 23:12:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2021-11-22 23:12:22,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:12:22,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:22,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 149 states and 285 transitions. [2021-11-22 23:12:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2021-11-22 23:12:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:12:24,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:24,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 151 states and 287 transitions. [2021-11-22 23:12:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 287 transitions. [2021-11-22 23:12:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:12:25,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:25,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 152 states and 290 transitions. [2021-11-22 23:12:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 290 transitions. [2021-11-22 23:12:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:12:26,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:26,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 153 states and 291 transitions. [2021-11-22 23:12:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 291 transitions. [2021-11-22 23:12:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:12:27,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 167 states and 315 transitions. [2021-11-22 23:12:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 315 transitions. [2021-11-22 23:12:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:12:33,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:33,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 175 states and 332 transitions. [2021-11-22 23:12:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 332 transitions. [2021-11-22 23:12:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:12:39,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:39,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 189 states and 391 transitions. [2021-11-22 23:12:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 391 transitions. [2021-11-22 23:12:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:12:48,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:48,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 201 states and 412 transitions. [2021-11-22 23:12:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 412 transitions. [2021-11-22 23:12:55,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:12:55,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 211 states and 428 transitions. [2021-11-22 23:13:03,460 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 428 transitions. [2021-11-22 23:13:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:13:03,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:03,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 212 states and 430 transitions. [2021-11-22 23:13:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 430 transitions. [2021-11-22 23:13:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:13:04,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:04,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 221 states and 457 transitions. [2021-11-22 23:13:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 457 transitions. [2021-11-22 23:13:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:13:08,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:08,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 236 states and 492 transitions. [2021-11-22 23:13:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 492 transitions. [2021-11-22 23:13:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:13:18,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:18,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 237 states and 494 transitions. [2021-11-22 23:13:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 494 transitions. [2021-11-22 23:13:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:19,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:19,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 242 states and 510 transitions. [2021-11-22 23:13:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 510 transitions. [2021-11-22 23:13:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:26,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:26,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:28,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:28,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 244 states and 519 transitions. [2021-11-22 23:13:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 519 transitions. [2021-11-22 23:13:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:13:28,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:28,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 248 states and 530 transitions. [2021-11-22 23:13:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 530 transitions. [2021-11-22 23:13:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:13:33,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:33,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 253 states and 545 transitions. [2021-11-22 23:13:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 545 transitions. [2021-11-22 23:13:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:13:37,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:37,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:37,720 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 257 states and 557 transitions. [2021-11-22 23:13:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 557 transitions. [2021-11-22 23:13:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:13:40,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:51,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 269 states and 587 transitions. [2021-11-22 23:13:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 587 transitions. [2021-11-22 23:13:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:13:51,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:51,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 273 states and 593 transitions. [2021-11-22 23:13:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 593 transitions. [2021-11-22 23:13:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:13:55,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:55,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 278 states and 607 transitions. [2021-11-22 23:13:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 607 transitions. [2021-11-22 23:13:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:13:59,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:59,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:13:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 278 states and 606 transitions. [2021-11-22 23:13:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 606 transitions. [2021-11-22 23:13:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:13:59,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:59,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat