./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_append_equal.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_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/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_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/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_0095f0ff-2199-4895-8539-9f168556d02e/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 b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab --- 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 16:55:18,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:18,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:18,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:18,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:18,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:18,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:18,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:18,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:18,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:18,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:18,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:18,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:18,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:18,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:18,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:18,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:18,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:18,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:18,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:18,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:18,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:18,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:18,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:18,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:18,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:18,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:18,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:18,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:18,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:18,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:18,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:18,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:18,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:18,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:18,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:18,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:18,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:18,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:18,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:18,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:18,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:55:18,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:18,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:18,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:18,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:18,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:18,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:18,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:55:18,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:18,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:18,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:18,394 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:55:18,394 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:55:18,395 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:55:18,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:18,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:18,396 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:18,396 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:18,396 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:18,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:18,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:18,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:18,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:18,397 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:18,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:18,398 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_0095f0ff-2199-4895-8539-9f168556d02e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab [2022-10-17 16:55:18,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:18,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:18,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:18,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:18,742 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:18,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2022-10-17 16:55:18,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/data/522590a6d/db1c1d9874f04fd78dd7db841d46c2ec/FLAG5b5c10d05 [2022-10-17 16:55:19,356 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:19,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2022-10-17 16:55:19,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/data/522590a6d/db1c1d9874f04fd78dd7db841d46c2ec/FLAG5b5c10d05 [2022-10-17 16:55:19,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/data/522590a6d/db1c1d9874f04fd78dd7db841d46c2ec [2022-10-17 16:55:19,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:19,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:19,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:19,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:19,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:19,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:19" (1/1) ... [2022-10-17 16:55:19,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69754176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:19, skipping insertion in model container [2022-10-17 16:55:19,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:19" (1/1) ... [2022-10-17 16:55:19,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:19,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:20,134 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_0095f0ff-2199-4895-8539-9f168556d02e/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2022-10-17 16:55:20,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:20,160 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:20,227 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_0095f0ff-2199-4895-8539-9f168556d02e/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2022-10-17 16:55:20,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:20,269 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:20,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20 WrapperNode [2022-10-17 16:55:20,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:20,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:20,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:20,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:20,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,353 INFO L138 Inliner]: procedures = 127, calls = 42, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 168 [2022-10-17 16:55:20,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:20,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:20,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:20,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:20,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,415 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:20,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:20,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:20,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:20,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:20" (1/1) ... [2022-10-17 16:55:20,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:20,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:20,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:20,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f0ff-2199-4895-8539-9f168556d02e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:55:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:55:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:55:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:55:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:55:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:55:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:55:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:55:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:20,639 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:20,641 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:21,241 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:21,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:21,325 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:55:21,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:21 BoogieIcfgContainer [2022-10-17 16:55:21,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:21,330 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:21,330 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:21,340 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:21,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 109 states and 121 transitions. [2022-10-17 16:55:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-10-17 16:55:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:55:21,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:21,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:21,717 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 16:55:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 108 states and 120 transitions. [2022-10-17 16:55:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-10-17 16:55:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:55:21,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:21,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:21,907 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 16:55:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 107 states and 119 transitions. [2022-10-17 16:55:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2022-10-17 16:55:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:55:22,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,101 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 16:55:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2022-10-17 16:55:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2022-10-17 16:55:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:55:22,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,223 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 16:55:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 105 states and 117 transitions. [2022-10-17 16:55:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2022-10-17 16:55:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:55:22,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,327 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 16:55:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 106 states and 119 transitions. [2022-10-17 16:55:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2022-10-17 16:55:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:22,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,515 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 16:55:22,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2022-10-17 16:55:22,545 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2022-10-17 16:55:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:22,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,702 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 16:55:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2022-10-17 16:55:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2022-10-17 16:55:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:55:22,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,852 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 16:55:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2022-10-17 16:55:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2022-10-17 16:55:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:55:22,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,991 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 16:55:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2022-10-17 16:55:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2022-10-17 16:55:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:55:23,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,105 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 16:55:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2022-10-17 16:55:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2022-10-17 16:55:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:55:23,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,299 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 16:55:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2022-10-17 16:55:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2022-10-17 16:55:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:55:23,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2022-10-17 16:55:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2022-10-17 16:55:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:55:24,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2022-10-17 16:55:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2022-10-17 16:55:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:55:25,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2022-10-17 16:55:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2022-10-17 16:55:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:55:25,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2022-10-17 16:55:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2022-10-17 16:55:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:55:25,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2022-10-17 16:55:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2022-10-17 16:55:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:55:25,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 94 states and 107 transitions. [2022-10-17 16:55:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2022-10-17 16:55:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:55:25,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:26,525 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 16:55:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 126 transitions. [2022-10-17 16:55:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 126 transitions. [2022-10-17 16:55:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:55:28,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:28,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2022-10-17 16:55:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2022-10-17 16:55:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:55:32,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:32,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2022-10-17 16:55:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2022-10-17 16:55:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:55:32,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2022-10-17 16:55:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2022-10-17 16:55:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:55:33,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:33,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2022-10-17 16:55:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2022-10-17 16:55:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:55:33,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:33,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:34,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2022-10-17 16:55:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2022-10-17 16:55:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:55:34,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:34,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2022-10-17 16:55:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2022-10-17 16:55:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:55:38,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:38,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:39,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2022-10-17 16:55:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2022-10-17 16:55:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:55:44,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:44,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 89 states and 103 transitions. [2022-10-17 16:55:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2022-10-17 16:55:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:55:44,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 88 states and 102 transitions. [2022-10-17 16:55:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2022-10-17 16:55:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:55:45,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:45,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2022-10-17 16:55:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2022-10-17 16:55:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:55:45,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:45,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 92 states and 110 transitions. [2022-10-17 16:55:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2022-10-17 16:55:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:55:46,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:46,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2022-10-17 16:55:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2022-10-17 16:55:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:55:49,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:49,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.