./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash 624eab544b12ce67976c98f49727abb376f7f963832aa58f07a7fb9fd050787e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:28:18,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:28:18,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:28:18,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:28:18,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:28:18,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:28:18,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:28:18,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:28:18,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:28:18,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:28:18,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:28:18,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:28:18,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:28:18,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:28:18,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:28:18,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:28:18,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:28:18,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:28:18,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:28:18,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:28:18,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:28:18,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:28:18,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:28:18,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:28:18,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:28:18,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:28:18,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:28:18,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:28:18,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:28:18,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:28:18,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:28:18,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:28:18,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:28:18,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:28:18,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:28:18,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:28:18,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:28:18,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:28:18,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:28:18,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:28:18,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:28:18,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 00:28:18,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:28:18,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:28:18,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:28:18,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:28:18,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:28:18,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:28:18,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:28:18,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:28:18,339 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:28:18,339 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:28:18,339 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:28:18,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:28:18,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:28:18,340 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:28:18,340 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:28:18,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:28:18,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:28:18,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:28:18,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:28:18,341 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:28:18,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:28:18,341 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_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 624eab544b12ce67976c98f49727abb376f7f963832aa58f07a7fb9fd050787e [2022-12-15 00:28:18,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:28:18,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:28:18,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:28:18,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:28:18,554 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:28:18,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2022-12-15 00:28:21,094 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:28:21,292 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:28:21,293 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2022-12-15 00:28:21,302 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/data/bbe751a21/ecba04c2eb034ff5a885dc932f7237bf/FLAGbb80b638c [2022-12-15 00:28:21,650 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/data/bbe751a21/ecba04c2eb034ff5a885dc932f7237bf [2022-12-15 00:28:21,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:28:21,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:28:21,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:28:21,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:28:21,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:28:21,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3623edd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21, skipping insertion in model container [2022-12-15 00:28:21,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:28:21,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:28:21,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:28:21,855 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:28:21,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:28:21,890 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:28:21,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21 WrapperNode [2022-12-15 00:28:21,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:28:21,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:28:21,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:28:21,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:28:21,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,917 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-12-15 00:28:21,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:28:21,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:28:21,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:28:21,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:28:21,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,932 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:28:21,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:28:21,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:28:21,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:28:21,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:21" (1/1) ... [2022-12-15 00:28:21,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:28:21,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:28:21,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:28:21,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7056e1cf-7146-4755-933a-80504b3054cf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:28:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:28:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:28:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:28:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:28:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:28:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:28:22,079 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:28:22,081 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:28:22,186 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:28:22,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:28:22,215 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:28:22,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:28:22 BoogieIcfgContainer [2022-12-15 00:28:22,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:28:22,218 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:28:22,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:28:22,226 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:28:22,226 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:28:22" (1/1) ... [2022-12-15 00:28:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:28:22,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-15 00:28:22,272 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-15 00:28:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 00:28:22,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:22,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-15 00:28:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-15 00:28:22,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 00:28:22,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:22,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:22,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-15 00:28:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-15 00:28:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 00:28:22,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-15 00:28:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-15 00:28:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:28:22,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-15 00:28:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-15 00:28:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:28:23,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:23,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-15 00:28:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-15 00:28:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:28:23,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:23,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-15 00:28:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-15 00:28:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:28:24,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:24,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-12-15 00:28:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-15 00:28:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:28:25,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:25,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2022-12-15 00:28:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2022-12-15 00:28:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:28:26,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2022-12-15 00:28:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2022-12-15 00:28:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:28:29,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:29,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:28:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2022-12-15 00:28:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-12-15 00:28:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:28:30,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:32,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2022-12-15 00:28:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2022-12-15 00:28:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:28:32,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:32,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2022-12-15 00:28:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2022-12-15 00:28:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:28:37,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:37,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 57 states and 100 transitions. [2022-12-15 00:28:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2022-12-15 00:28:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:28:45,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:45,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:28:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 58 states and 102 transitions. [2022-12-15 00:28:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2022-12-15 00:28:46,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:28:46,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:46,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 00:28:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2022-12-15 00:28:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2022-12-15 00:28:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:28:48,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:48,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 68 states and 121 transitions. [2022-12-15 00:28:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 121 transitions. [2022-12-15 00:28:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:28:58,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:58,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:29:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2022-12-15 00:29:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2022-12-15 00:29:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:29:00,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:00,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 00:29:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 72 states and 125 transitions. [2022-12-15 00:29:02,706 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 125 transitions. [2022-12-15 00:29:02,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:29:02,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:02,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 00:29:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 127 transitions. [2022-12-15 00:29:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2022-12-15 00:29:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:29:04,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:04,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 00:29:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2022-12-15 00:29:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2022-12-15 00:29:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:29:05,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:05,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 81 states and 145 transitions. [2022-12-15 00:29:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 145 transitions. [2022-12-15 00:29:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:29:18,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:21,858 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 85 states and 155 transitions. [2022-12-15 00:29:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 155 transitions. [2022-12-15 00:29:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:29:28,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:51,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 94 states and 177 transitions. [2022-12-15 00:29:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2022-12-15 00:29:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:29:51,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 98 states and 187 transitions. [2022-12-15 00:30:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 187 transitions. [2022-12-15 00:30:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 00:30:07,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:07,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 102 states and 197 transitions. [2022-12-15 00:30:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 197 transitions. [2022-12-15 00:30:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 00:30:21,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:21,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 106 states and 207 transitions. [2022-12-15 00:30:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2022-12-15 00:30:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 00:30:35,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:35,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:31:26,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 124 states and 249 transitions. [2022-12-15 00:31:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 249 transitions. [2022-12-15 00:31:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 00:31:26,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:26,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:31:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 128 states and 259 transitions. [2022-12-15 00:31:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 259 transitions. [2022-12-15 00:31:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-15 00:31:48,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:48,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:07,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 132 states and 269 transitions. [2022-12-15 00:32:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 269 transitions. [2022-12-15 00:32:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 00:32:07,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:07,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:28,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 136 states and 279 transitions. [2022-12-15 00:32:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 279 transitions. [2022-12-15 00:32:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 00:32:28,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:28,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 140 states and 289 transitions. [2022-12-15 00:32:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 289 transitions. [2022-12-15 00:32:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-15 00:32:50,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:33:16,275 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:34:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:34:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 176 states and 373 transitions. [2022-12-15 00:34:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 373 transitions. [2022-12-15 00:34:46,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 00:34:46,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:34:46,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:34:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:35,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 180 states and 383 transitions. [2022-12-15 00:35:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 383 transitions. [2022-12-15 00:35:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-15 00:35:35,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:36:53,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 192 states and 413 transitions. [2022-12-15 00:36:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 413 transitions. [2022-12-15 00:36:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 00:36:53,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:53,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:37:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:37:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:37:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 196 states and 423 transitions. [2022-12-15 00:37:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 423 transitions. [2022-12-15 00:37:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-15 00:37:28,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:37:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:37:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:37:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:38:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:38:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 200 states and 433 transitions. [2022-12-15 00:38:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 433 transitions. [2022-12-15 00:38:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 00:38:02,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:38:02,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:38:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:38:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:38:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:38:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 204 states and 443 transitions. [2022-12-15 00:38:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 443 transitions. [2022-12-15 00:38:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 00:38:43,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:38:43,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:38:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:38:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 208 states and 453 transitions. [2022-12-15 00:39:21,684 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 453 transitions. [2022-12-15 00:39:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-15 00:39:21,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:21,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:40:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:40:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 212 states and 463 transitions. [2022-12-15 00:40:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 463 transitions. [2022-12-15 00:40:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 00:40:14,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:40:14,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:40:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:40:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 968 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:40:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:40:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 216 states and 473 transitions. [2022-12-15 00:40:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 473 transitions. [2022-12-15 00:40:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-15 00:40:57,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:40:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:40:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 0 proven. 1058 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:41:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 220 states and 483 transitions. [2022-12-15 00:41:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 483 transitions. [2022-12-15 00:41:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-15 00:41:41,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:41,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 0 proven. 1152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:42:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:42:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 224 states and 493 transitions. [2022-12-15 00:42:21,413 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 493 transitions. [2022-12-15 00:42:21,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-15 00:42:21,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:42:21,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:42:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat