./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/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_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf --- 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 16:58:19,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:19,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:19,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:19,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:19,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:19,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:19,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:19,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:19,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:19,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:19,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:19,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:19,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:19,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:19,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:19,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:19,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:19,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:19,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:19,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:19,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:19,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:19,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:19,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:19,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:19,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:19,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:19,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:19,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:19,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:19,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:19,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:19,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:19,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:19,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:19,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:19,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:19,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:19,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:19,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:19,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:58:19,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:19,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:19,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:19,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:19,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:19,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:19,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:58:19,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:19,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:19,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:19,418 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:58:19,418 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:58:19,418 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:58:19,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:19,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:19,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:19,419 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:19,419 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:19,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:19,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:19,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:19,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:19,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:19,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:19,435 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_5f6202d6-fce5-467f-960c-67b7a0e8d676/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf [2022-10-17 16:58:19,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:19,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:19,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:19,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:19,766 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:19,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2022-10-17 16:58:19,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/data/401b840bc/74bcb0ae22314827a24d7552258bbd18/FLAG67119e43a [2022-10-17 16:58:20,532 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:20,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2022-10-17 16:58:20,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/data/401b840bc/74bcb0ae22314827a24d7552258bbd18/FLAG67119e43a [2022-10-17 16:58:20,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/data/401b840bc/74bcb0ae22314827a24d7552258bbd18 [2022-10-17 16:58:20,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:20,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:20,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:20,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:20,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:20,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:20" (1/1) ... [2022-10-17 16:58:20,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530b8e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:20, skipping insertion in model container [2022-10-17 16:58:20,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:20" (1/1) ... [2022-10-17 16:58:20,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:20,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:21,027 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_5f6202d6-fce5-467f-960c-67b7a0e8d676/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2022-10-17 16:58:22,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:22,430 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:22,452 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_5f6202d6-fce5-467f-960c-67b7a0e8d676/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2022-10-17 16:58:22,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:22,937 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:22,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22 WrapperNode [2022-10-17 16:58:22,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:22,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:22,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:22,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:22,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,142 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 201, calls inlined = 246, statements flattened = 1803 [2022-10-17 16:58:23,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:23,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:23,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:23,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:23,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,265 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:23,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:23,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:23,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:23,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:22" (1/1) ... [2022-10-17 16:58:23,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:23,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:23,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:23,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6202d6-fce5-467f-960c-67b7a0e8d676/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:58:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:58:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:58:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:58:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:58:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:58:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:58:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:58:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:23,817 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:23,819 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:26,703 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:27,368 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:27,369 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:58:27,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:27 BoogieIcfgContainer [2022-10-17 16:58:27,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:27,375 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:27,375 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:27,385 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:27,385 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:27" (1/1) ... [2022-10-17 16:58:27,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2022-10-17 16:58:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2022-10-17 16:58:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:58:27,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:29,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:58:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2022-10-17 16:58:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2022-10-17 16:58:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:58:29,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:29,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2022-10-17 16:58:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2022-10-17 16:58:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:58:30,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:58:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:58:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:58:30,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2022-10-17 16:58:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2022-10-17 16:58:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:58:31,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 531 states and 600 transitions. [2022-10-17 16:58:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 600 transitions. [2022-10-17 16:58:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:58:32,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:58:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:58:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:34,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2022-10-17 16:58:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2022-10-17 16:58:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:35,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:58:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:58:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:58:36,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:36,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2022-10-17 16:58:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2022-10-17 16:58:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:58:36,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:58:38,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:58:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 537 states and 609 transitions. [2022-10-17 16:58:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 609 transitions. [2022-10-17 16:58:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:58:39,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:39,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 539 states and 611 transitions. [2022-10-17 16:58:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 611 transitions. [2022-10-17 16:58:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:58:40,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:58:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 541 states and 613 transitions. [2022-10-17 16:58:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 613 transitions. [2022-10-17 16:58:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:44,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:44,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:58:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 540 states and 612 transitions. [2022-10-17 16:58:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 612 transitions. [2022-10-17 16:58:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:45,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:45,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:45,646 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:58:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2022-10-17 16:58:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2022-10-17 16:58:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:45,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:45,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:58:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 540 states and 614 transitions. [2022-10-17 16:58:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 614 transitions. [2022-10-17 16:58:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:46,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:58:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2022-10-17 16:58:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2022-10-17 16:58:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:46,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:58:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2022-10-17 16:58:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2022-10-17 16:58:47,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:58:47,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:47,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:58:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2022-10-17 16:58:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2022-10-17 16:58:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:58:47,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:47,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:58:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2022-10-17 16:58:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2022-10-17 16:58:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:58:48,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:48,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.