./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.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_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/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_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/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_eebe6d27-473f-49dc-9294-c774dd8b0a81/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 382beab9cdcef42f6594628efe520684fdbc8c72ada26cb53ddf4918b8957d49 --- 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 16:33:18,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:18,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:18,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:18,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:18,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:18,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:18,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:18,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:18,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:18,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:18,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:18,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:18,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:18,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:18,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:18,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:18,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:18,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:18,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:18,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:18,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:18,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:18,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:18,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:18,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:18,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:18,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:18,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:18,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:18,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:18,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:18,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:18,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:18,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:18,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:18,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:18,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:18,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:18,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:18,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:18,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:33:18,407 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:18,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:18,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:18,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:18,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:18,410 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:18,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:33:18,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:18,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:18,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:18,412 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:33:18,412 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:33:18,412 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:33:18,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:18,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:18,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:18,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:18,413 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:18,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:18,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:18,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:18,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:18,430 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:18,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:18,430 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_eebe6d27-473f-49dc-9294-c774dd8b0a81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 382beab9cdcef42f6594628efe520684fdbc8c72ada26cb53ddf4918b8957d49 [2022-10-17 16:33:18,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:18,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:18,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:18,702 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:18,702 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:18,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.i [2022-10-17 16:33:18,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/data/78a3e0c9c/9fffbf1756cd4bc9b0d152e12c38e62f/FLAGf7610fc8f [2022-10-17 16:33:19,339 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:19,340 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.i [2022-10-17 16:33:19,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/data/78a3e0c9c/9fffbf1756cd4bc9b0d152e12c38e62f/FLAGf7610fc8f [2022-10-17 16:33:19,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/data/78a3e0c9c/9fffbf1756cd4bc9b0d152e12c38e62f [2022-10-17 16:33:19,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:19,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:19,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:19,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:19,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:19,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:19" (1/1) ... [2022-10-17 16:33:19,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abb7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:19, skipping insertion in model container [2022-10-17 16:33:19,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:19" (1/1) ... [2022-10-17 16:33:19,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:19,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:20,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:20,106 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:20,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:20,213 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:20,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20 WrapperNode [2022-10-17 16:33:20,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:20,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:20,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:20,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:20,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,295 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-10-17 16:33:20,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:20,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:20,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:20,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:20,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:20,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:20,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:20,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:20,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:20" (1/1) ... [2022-10-17 16:33:20,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:20,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:20,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:20,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebe6d27-473f-49dc-9294-c774dd8b0a81/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:33:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:33:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:20,581 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:20,583 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:20,950 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:21,034 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:21,034 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:33:21,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:21 BoogieIcfgContainer [2022-10-17 16:33:21,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:21,038 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:21,039 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:21,049 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:21,049 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:21" (1/1) ... [2022-10-17 16:33:21,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2022-10-17 16:33:21,132 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-10-17 16:33:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:33:21,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:21,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:21,737 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 16:33:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-10-17 16:33:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-10-17 16:33:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:33:21,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:21,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:22,070 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 16:33:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2022-10-17 16:33:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-10-17 16:33:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:33:22,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:22,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:22,405 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 16:33:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2022-10-17 16:33:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-10-17 16:33:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:33:22,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:22,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:22,762 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 16:33:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2022-10-17 16:33:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-10-17 16:33:23,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:33:23,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:23,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:23,554 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 16:33:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2022-10-17 16:33:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-10-17 16:33:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:33:23,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:23,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:24,014 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 16:33:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-10-17 16:33:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-10-17 16:33:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:33:24,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:24,931 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 16:33:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2022-10-17 16:33:25,700 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2022-10-17 16:33:25,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:33:25,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:25,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:25,733 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 16:33:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2022-10-17 16:33:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2022-10-17 16:33:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:33:25,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:25,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:26,089 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 16:33:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2022-10-17 16:33:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2022-10-17 16:33:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:27,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:27,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:27,316 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 16:33:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2022-10-17 16:33:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2022-10-17 16:33:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:27,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:27,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:27,993 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 16:33:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2022-10-17 16:33:28,350 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2022-10-17 16:33:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:28,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:28,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:28,424 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 16:33:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2022-10-17 16:33:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2022-10-17 16:33:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:28,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:28,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:29,124 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 16:33:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2022-10-17 16:33:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2022-10-17 16:33:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:30,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:30,333 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 16:33:31,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 102 transitions. [2022-10-17 16:33:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2022-10-17 16:33:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:31,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,336 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 16:33:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2022-10-17 16:33:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2022-10-17 16:33:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:31,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,203 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 16:33:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 63 states and 111 transitions. [2022-10-17 16:33:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 111 transitions. [2022-10-17 16:33:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:32,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,829 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 16:33:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2022-10-17 16:33:33,414 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2022-10-17 16:33:33,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:33,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:33,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2022-10-17 16:33:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2022-10-17 16:33:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:34,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:34,297 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 16:33:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2022-10-17 16:33:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2022-10-17 16:33:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:34,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,280 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 16:33:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2022-10-17 16:33:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2022-10-17 16:33:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:35,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:33:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2022-10-17 16:33:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2022-10-17 16:33:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:36,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:33:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:36,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2022-10-17 16:33:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2022-10-17 16:33:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:36,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:36,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2022-10-17 16:33:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2022-10-17 16:33:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:37,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:37,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:37,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2022-10-17 16:33:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-10-17 16:33:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:37,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:37,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:33:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-10-17 16:33:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-10-17 16:33:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:38,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,564 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 16:33:38,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-10-17 16:33:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-10-17 16:33:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:38,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,812 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 16:33:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2022-10-17 16:33:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2022-10-17 16:33:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:39,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:33:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2022-10-17 16:33:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-10-17 16:33:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:39,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,883 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 16:33:40,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:40,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-10-17 16:33:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-10-17 16:33:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:40,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:40,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:40,681 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 16:33:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-10-17 16:33:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-10-17 16:33:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:41,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:41,652 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 16:33:41,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-10-17 16:33:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-10-17 16:33:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:41,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:41,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:41,811 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 16:33:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2022-10-17 16:33:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2022-10-17 16:33:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:41,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:41,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:42,000 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 16:33:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2022-10-17 16:33:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2022-10-17 16:33:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:42,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:42,679 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 16:33:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2022-10-17 16:33:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2022-10-17 16:33:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:43,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:43,247 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 16:33:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2022-10-17 16:33:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2022-10-17 16:33:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:33:43,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:43,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:44,822 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 16:33:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2022-10-17 16:33:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2022-10-17 16:33:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:33:48,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.