./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4 --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 64832270a19ba5e81f92530f2c7594b88875de224d2679ada6e9500fe8608d00 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:43:12,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:43:12,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:43:12,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:43:12,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:43:12,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:43:12,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:43:12,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:43:12,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:43:12,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:43:12,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:43:12,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:43:12,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:43:12,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:43:12,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:43:12,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:43:12,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:43:12,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:43:12,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:43:12,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:43:12,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:43:12,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:43:12,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:43:12,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:43:12,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:43:12,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:43:12,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:43:12,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:43:12,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:43:12,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:43:12,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:43:12,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:43:12,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:43:12,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:43:12,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:43:12,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:43:12,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:43:12,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:43:12,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:43:12,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:43:12,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:43:12,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:43:12,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:43:12,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:43:12,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:43:12,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:43:12,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:43:12,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:43:12,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:43:12,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:43:12,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:43:12,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:43:12,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:43:12,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:43:12,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:43:12,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:43:12,217 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:43:12,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:43:12,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:43:12,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:43:12,218 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:43:12,218 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:43:12,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:43:12,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:43:12,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:43:12,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:43:12,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:43:12,219 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:43:12,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:43:12,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:43:12,219 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_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64832270a19ba5e81f92530f2c7594b88875de224d2679ada6e9500fe8608d00 [2022-12-14 23:43:12,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:43:12,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:43:12,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:43:12,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:43:12,410 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:43:12,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem101_label09.c [2022-12-14 23:43:15,021 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:43:15,955 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:43:15,955 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/sv-benchmarks/c/eca-programs/Problem101_label09.c [2022-12-14 23:43:16,107 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/data/a5e653cb5/81d67119cfb04545ac5bdd423b6b7272/FLAG22f8632c1 [2022-12-14 23:43:16,117 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/data/a5e653cb5/81d67119cfb04545ac5bdd423b6b7272 [2022-12-14 23:43:16,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:43:16,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:43:16,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:43:16,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:43:16,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:43:16,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:43:16" (1/1) ... [2022-12-14 23:43:16,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837457a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:16, skipping insertion in model container [2022-12-14 23:43:16,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:43:16" (1/1) ... [2022-12-14 23:43:16,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:43:16,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:43:26,311 WARN L237 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_4b42720b-ff47-4b4e-be01-36749efb0c10/sv-benchmarks/c/eca-programs/Problem101_label09.c[2769014,2769027] [2022-12-14 23:43:26,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:43:26,377 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:43:32,290 WARN L237 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_4b42720b-ff47-4b4e-be01-36749efb0c10/sv-benchmarks/c/eca-programs/Problem101_label09.c[2769014,2769027] [2022-12-14 23:43:32,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:43:32,931 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:43:32,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32 WrapperNode [2022-12-14 23:43:32,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:43:32,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:43:32,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:43:32,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:43:32,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:33,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:34,508 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83780 [2022-12-14 23:43:34,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:43:34,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:43:34,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:43:34,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:43:34,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:34,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:34,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:34,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:35,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:35,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:35,643 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:35,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:35,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:43:35,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:43:35,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:43:35,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:43:35,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:32" (1/1) ... [2022-12-14 23:43:35,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:43:35,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:43:35,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:43:35,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b42720b-ff47-4b4e-be01-36749efb0c10/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:43:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:43:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:43:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:43:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:43:36,102 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:43:36,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:44:07,874 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:44:08,835 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:44:08,836 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:44:08,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:44:08 BoogieIcfgContainer [2022-12-14 23:44:08,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:44:08,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:44:08,844 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:44:08,851 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:44:08,851 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:44:08" (1/1) ... [2022-12-14 23:44:08,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:44:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2022-12-14 23:44:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2022-12-14 23:44:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2022-12-14 23:44:09,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:09,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31170 states to 20218 states and 31170 transitions. [2022-12-14 23:45:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 31170 transitions. [2022-12-14 23:45:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2022-12-14 23:45:14,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:14,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31175 states to 20221 states and 31175 transitions. [2022-12-14 23:45:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 31175 transitions. [2022-12-14 23:45:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10093 [2022-12-14 23:45:37,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:37,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:46:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:46:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31184 states to 20227 states and 31184 transitions. [2022-12-14 23:46:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 20227 states and 31184 transitions. [2022-12-14 23:46:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2022-12-14 23:46:00,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:46:00,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:46:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:46:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:46:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:46:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31197 states to 20239 states and 31197 transitions. [2022-12-14 23:46:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 31197 transitions. [2022-12-14 23:46:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10115 [2022-12-14 23:46:23,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:46:23,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:46:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:46:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:46:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:46:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31229 states to 20267 states and 31229 transitions. [2022-12-14 23:46:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 20267 states and 31229 transitions. [2022-12-14 23:46:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10117 [2022-12-14 23:46:47,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:46:47,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:46:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31255 states to 20291 states and 31255 transitions. [2022-12-14 23:47:09,857 INFO L276 IsEmpty]: Start isEmpty. Operand 20291 states and 31255 transitions. [2022-12-14 23:47:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10118 [2022-12-14 23:47:10,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:10,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31256 states to 20292 states and 31256 transitions. [2022-12-14 23:47:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 20292 states and 31256 transitions. [2022-12-14 23:47:33,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10119 [2022-12-14 23:47:33,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31257 states to 20293 states and 31257 transitions. [2022-12-14 23:47:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 20293 states and 31257 transitions. [2022-12-14 23:47:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10123 [2022-12-14 23:47:56,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31298 states to 20329 states and 31298 transitions. [2022-12-14 23:48:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 20329 states and 31298 transitions. [2022-12-14 23:48:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10124 [2022-12-14 23:48:22,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:22,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31304 states to 20334 states and 31304 transitions. [2022-12-14 23:48:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 20334 states and 31304 transitions. [2022-12-14 23:48:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10127 [2022-12-14 23:48:44,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:44,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:49:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31350 states to 20374 states and 31350 transitions. [2022-12-14 23:49:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 20374 states and 31350 transitions. [2022-12-14 23:49:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10128 [2022-12-14 23:49:08,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:08,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:49:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31380 states to 20400 states and 31380 transitions. [2022-12-14 23:49:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 20400 states and 31380 transitions. [2022-12-14 23:49:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10129 [2022-12-14 23:49:30,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:30,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:49:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31381 states to 20401 states and 31381 transitions. [2022-12-14 23:49:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 20401 states and 31381 transitions. [2022-12-14 23:49:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10130 [2022-12-14 23:49:53,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31385 states to 20404 states and 31385 transitions. [2022-12-14 23:50:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 20404 states and 31385 transitions. [2022-12-14 23:50:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10134 [2022-12-14 23:50:16,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:16,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31397 states to 20414 states and 31397 transitions. [2022-12-14 23:50:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20414 states and 31397 transitions. [2022-12-14 23:50:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10137 [2022-12-14 23:50:39,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:39,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:51:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:51:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31454 states to 20464 states and 31454 transitions. [2022-12-14 23:51:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20464 states and 31454 transitions. [2022-12-14 23:51:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10140 [2022-12-14 23:51:06,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:51:28,966 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:51:30,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31515 states to 20517 states and 31515 transitions. [2022-12-14 23:51:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 20517 states and 31515 transitions. [2022-12-14 23:51:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10141 [2022-12-14 23:51:30,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:51:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:51:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31578 states to 20571 states and 31578 transitions. [2022-12-14 23:51:55,903 INFO L276 IsEmpty]: Start isEmpty. Operand 20571 states and 31578 transitions. [2022-12-14 23:51:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10142 [2022-12-14 23:51:56,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:56,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:52:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31594 states to 20583 states and 31594 transitions. [2022-12-14 23:52:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 20583 states and 31594 transitions. [2022-12-14 23:52:19,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10143 [2022-12-14 23:52:19,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:19,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:52:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31595 states to 20584 states and 31595 transitions. [2022-12-14 23:52:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 20584 states and 31595 transitions. [2022-12-14 23:52:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10144 [2022-12-14 23:52:42,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:42,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:53:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31631 states to 20613 states and 31631 transitions. [2022-12-14 23:53:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 20613 states and 31631 transitions. [2022-12-14 23:53:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10152 [2022-12-14 23:53:06,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:06,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat