./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB --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 64bit --witnessprinter.graph.data.programhash b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a --- 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-dbf71c6-m [2022-10-17 16:54:00,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:00,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:00,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:00,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:00,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:00,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:00,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:00,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:00,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:00,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:00,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:00,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:00,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:00,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:00,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:00,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:00,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:00,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:00,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:00,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:00,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:00,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:00,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:00,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:00,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:00,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:00,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:00,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:00,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:00,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:00,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:00,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:00,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:00,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:00,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:00,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:00,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:00,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:00,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:00,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:00,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:54:00,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:00,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:00,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:00,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:00,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:00,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:00,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:00,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:00,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:00,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:00,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:00,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:00,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:00,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:00,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:00,328 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:00,328 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:00,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:00,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:00,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:00,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:00,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:00,329 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:00,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:00,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:00,330 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_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a [2022-10-17 16:54:00,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:00,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:00,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:00,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:00,678 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:00,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-17 16:54:00,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/data/d4b5cad90/9ddf59f0fada4d67a1f489fa5fdcffb0/FLAG197097c95 [2022-10-17 16:54:01,628 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:01,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-17 16:54:01,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/data/d4b5cad90/9ddf59f0fada4d67a1f489fa5fdcffb0/FLAG197097c95 [2022-10-17 16:54:02,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/data/d4b5cad90/9ddf59f0fada4d67a1f489fa5fdcffb0 [2022-10-17 16:54:02,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:02,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:02,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:02,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:02,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:02,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a65c539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02, skipping insertion in model container [2022-10-17 16:54:02,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:02,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:03,886 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_ff74a41b-62fa-42be-a926-e8554bd8a005/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2022-10-17 16:54:03,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:03,937 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:04,200 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_ff74a41b-62fa-42be-a926-e8554bd8a005/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2022-10-17 16:54:04,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:04,310 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:04,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04 WrapperNode [2022-10-17 16:54:04,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:04,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:04,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:04,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:04,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,609 INFO L138 Inliner]: procedures = 187, calls = 873, calls flagged for inlining = 93, calls inlined = 91, statements flattened = 3223 [2022-10-17 16:54:04,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:04,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:04,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:04,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:04,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:04,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:04,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:04,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:04,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:04" (1/1) ... [2022-10-17 16:54:04,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:04,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:04,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:04,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74a41b-62fa-42be-a926-e8554bd8a005/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-10-17 16:54:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-10-17 16:54:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2022-10-17 16:54:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2022-10-17 16:54:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:54:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 16:54:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-17 16:54:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-17 16:54:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:54:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:54:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:54:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:54:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:54:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 16:54:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 16:54:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 16:54:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 16:54:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 16:54:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 16:54:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-10-17 16:54:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-10-17 16:54:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:54:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:54:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 16:54:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 16:54:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:54:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:54:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 16:54:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 16:54:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 16:54:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 16:54:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:54:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:54:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2022-10-17 16:54:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2022-10-17 16:54:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:54:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:54:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:54:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 16:54:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 16:54:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 16:54:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 16:54:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:54:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:54:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 16:54:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 16:54:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-17 16:54:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-17 16:54:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:54:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-17 16:54:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-17 16:54:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 16:54:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 16:54:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2022-10-17 16:54:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2022-10-17 16:54:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2022-10-17 16:54:04,985 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2022-10-17 16:54:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 16:54:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 16:54:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2022-10-17 16:54:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2022-10-17 16:54:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:54:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:54:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:54:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 16:54:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 16:54:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2022-10-17 16:54:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2022-10-17 16:54:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 16:54:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 16:54:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2022-10-17 16:54:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2022-10-17 16:54:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:54:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 16:54:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 16:54:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 16:54:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 16:54:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 16:54:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 16:54:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2022-10-17 16:54:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2022-10-17 16:54:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2022-10-17 16:54:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2022-10-17 16:54:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:54:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-10-17 16:54:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-10-17 16:54:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:54:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2022-10-17 16:54:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2022-10-17 16:54:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 16:54:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 16:54:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2022-10-17 16:54:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2022-10-17 16:54:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:54:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:54:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 16:54:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 16:54:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2022-10-17 16:54:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2022-10-17 16:54:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-17 16:54:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-17 16:54:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 16:54:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 16:54:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 16:54:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 16:54:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 16:54:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 16:54:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 16:54:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 16:54:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 16:54:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 16:54:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-10-17 16:54:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-10-17 16:54:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 16:54:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 16:54:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:54:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2022-10-17 16:54:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2022-10-17 16:54:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 16:54:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 16:54:05,699 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:05,704 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:05,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:54:12,796 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:14,015 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:14,016 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:54:14,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:14 BoogieIcfgContainer [2022-10-17 16:54:14,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:14,022 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:14,022 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:14,033 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:14,033 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:14" (1/1) ... [2022-10-17 16:54:14,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 787 states and 1162 transitions. [2022-10-17 16:54:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1162 transitions. [2022-10-17 16:54:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-17 16:54:14,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:14,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 793 states and 1210 transitions. [2022-10-17 16:54:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1210 transitions. [2022-10-17 16:54:15,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-17 16:54:15,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:15,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 794 states and 1211 transitions. [2022-10-17 16:54:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1211 transitions. [2022-10-17 16:54:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-17 16:54:15,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:15,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 798 states and 1258 transitions. [2022-10-17 16:54:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1258 transitions. [2022-10-17 16:54:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:54:15,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:15,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 803 states and 1306 transitions. [2022-10-17 16:54:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1306 transitions. [2022-10-17 16:54:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:54:16,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 806 states and 1340 transitions. [2022-10-17 16:54:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1340 transitions. [2022-10-17 16:54:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:54:16,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:16,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-17 16:54:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 809 states and 1345 transitions. [2022-10-17 16:54:17,304 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1345 transitions. [2022-10-17 16:54:17,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:54:17,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:17,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 816 states and 1390 transitions. [2022-10-17 16:54:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1390 transitions. [2022-10-17 16:54:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:54:18,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:18,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 817 states and 1390 transitions. [2022-10-17 16:54:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1390 transitions. [2022-10-17 16:54:18,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:54:18,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:18,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 820 states and 1395 transitions. [2022-10-17 16:54:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1395 transitions. [2022-10-17 16:54:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:54:18,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:18,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 819 states and 1388 transitions. [2022-10-17 16:54:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1388 transitions. [2022-10-17 16:54:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:54:18,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:18,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 820 states and 1388 transitions. [2022-10-17 16:54:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1388 transitions. [2022-10-17 16:54:19,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-17 16:54:19,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:19,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 819 states and 1381 transitions. [2022-10-17 16:54:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1381 transitions. [2022-10-17 16:54:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-17 16:54:19,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:19,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-10-17 16:54:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 822 states and 1387 transitions. [2022-10-17 16:54:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1387 transitions. [2022-10-17 16:54:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-17 16:54:19,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:19,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 823 states and 1387 transitions. [2022-10-17 16:54:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1387 transitions. [2022-10-17 16:54:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 16:54:20,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:20,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 830 states and 1441 transitions. [2022-10-17 16:54:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1441 transitions. [2022-10-17 16:54:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 16:54:21,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:21,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 834 states and 1450 transitions. [2022-10-17 16:54:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1450 transitions. [2022-10-17 16:54:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 16:54:21,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:21,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-17 16:54:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 836 states and 1453 transitions. [2022-10-17 16:54:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1453 transitions. [2022-10-17 16:54:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:54:22,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:22,284 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 839 states and 1462 transitions. [2022-10-17 16:54:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1462 transitions. [2022-10-17 16:54:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:54:22,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:22,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 845 states and 1517 transitions. [2022-10-17 16:54:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1517 transitions. [2022-10-17 16:54:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:54:23,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 847 states and 1545 transitions. [2022-10-17 16:54:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1545 transitions. [2022-10-17 16:54:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:54:24,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:24,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:24,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 850 states and 1587 transitions. [2022-10-17 16:54:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1587 transitions. [2022-10-17 16:54:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:54:24,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:24,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 852 states and 1616 transitions. [2022-10-17 16:54:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1616 transitions. [2022-10-17 16:54:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-17 16:54:24,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-17 16:54:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 853 states and 1616 transitions. [2022-10-17 16:54:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1616 transitions. [2022-10-17 16:54:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:54:25,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:25,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-10-17 16:54:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 854 states and 1616 transitions. [2022-10-17 16:54:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1616 transitions. [2022-10-17 16:54:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:54:25,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:25,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 864 states and 1676 transitions. [2022-10-17 16:54:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1676 transitions. [2022-10-17 16:54:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:54:27,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:27,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 868 states and 1711 transitions. [2022-10-17 16:54:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1711 transitions. [2022-10-17 16:54:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:54:28,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-17 16:54:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 869 states and 1711 transitions. [2022-10-17 16:54:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1711 transitions. [2022-10-17 16:54:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:54:29,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-17 16:54:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 872 states and 1742 transitions. [2022-10-17 16:54:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1742 transitions. [2022-10-17 16:54:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-17 16:54:29,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2022-10-17 16:54:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 873 states and 1743 transitions. [2022-10-17 16:54:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1743 transitions. [2022-10-17 16:54:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-17 16:54:30,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:30,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked.