./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/array15_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/array15_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ --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 00e68ac4f80be925b23bb57b8164307bcf507e35ce753b52ea66514fcb8cc207 --- 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-6b4ec56 [2022-11-20 18:19:42,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:19:42,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:19:42,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:19:42,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:19:42,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:19:42,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:19:42,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:19:42,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:19:42,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:19:42,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:19:42,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:19:42,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:19:42,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:19:42,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:19:42,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:19:42,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:19:42,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:19:42,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:19:42,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:19:42,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:19:42,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:19:42,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:19:42,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:19:42,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:19:42,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:19:42,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:19:42,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:19:42,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:19:42,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:19:42,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:19:42,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:19:42,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:19:42,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:19:42,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:19:42,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:19:42,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:19:42,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:19:42,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:19:42,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:19:42,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:19:42,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 18:19:42,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:19:42,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:19:42,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:19:42,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:19:42,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:19:42,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:19:42,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:19:42,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:19:42,974 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:19:42,975 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:19:42,976 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:19:42,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:19:42,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:19:42,976 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:19:42,977 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:19:42,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:19:42,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:19:42,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:19:42,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:19:42,978 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:19:42,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:19:42,979 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_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e68ac4f80be925b23bb57b8164307bcf507e35ce753b52ea66514fcb8cc207 [2022-11-20 18:19:43,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:19:43,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:19:43,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:19:43,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:19:43,345 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:19:43,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-15/array15_alloca.i [2022-11-20 18:19:46,383 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:19:46,770 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:19:46,771 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/sv-benchmarks/c/termination-15/array15_alloca.i [2022-11-20 18:19:46,783 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/data/10c48abc9/94c3e0ebe519489492f5d59e634de92f/FLAG9218ee542 [2022-11-20 18:19:46,805 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/data/10c48abc9/94c3e0ebe519489492f5d59e634de92f [2022-11-20 18:19:46,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:19:46,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:19:46,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:19:46,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:19:46,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:19:46,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:46" (1/1) ... [2022-11-20 18:19:46,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a11db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:46, skipping insertion in model container [2022-11-20 18:19:46,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:46" (1/1) ... [2022-11-20 18:19:46,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:19:46,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:19:47,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:19:47,233 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:19:47,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:19:47,338 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:19:47,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47 WrapperNode [2022-11-20 18:19:47,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:19:47,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:19:47,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:19:47,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:19:47,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,398 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-20 18:19:47,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:19:47,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:19:47,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:19:47,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:19:47,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,437 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:19:47,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:19:47,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:19:47,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:19:47,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:19:47,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:19:47,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:19:47,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:19:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:19:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:19:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:19:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:19:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:19:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:19:47,617 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:19:47,619 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:19:47,785 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:19:47,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:19:47,850 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:19:47,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:47 BoogieIcfgContainer [2022-11-20 18:19:47,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:19:47,854 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:19:47,855 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:19:47,866 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:19:47,866 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:47" (1/1) ... [2022-11-20 18:19:47,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:19:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 18:19:47,956 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 18:19:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:19:47,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:47,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-11-20 18:19:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 18:19:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:19:48,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:48,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:48,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-11-20 18:19:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-20 18:19:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:19:48,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:48,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-11-20 18:19:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-11-20 18:19:49,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:19:49,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-11-20 18:19:49,601 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-11-20 18:19:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:19:49,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:49,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-11-20 18:19:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-20 18:19:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:19:49,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:49,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-11-20 18:19:50,570 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-11-20 18:19:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:19:50,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:50,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-11-20 18:19:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-20 18:19:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:19:50,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-11-20 18:19:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-11-20 18:19:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:19:50,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:50,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-11-20 18:19:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-11-20 18:19:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:19:50,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:50,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-11-20 18:19:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-11-20 18:19:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:19:53,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:53,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2022-11-20 18:19:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2022-11-20 18:19:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:19:55,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:55,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2022-11-20 18:19:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-11-20 18:19:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:19:57,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:57,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-11-20 18:19:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-11-20 18:19:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:19:57,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2022-11-20 18:19:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2022-11-20 18:19:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:19:59,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:59,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2022-11-20 18:20:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2022-11-20 18:20:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:20:00,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:00,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2022-11-20 18:20:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2022-11-20 18:20:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:20:00,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:00,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2022-11-20 18:20:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2022-11-20 18:20:01,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:20:01,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:01,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:20:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 96 transitions. [2022-11-20 18:20:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2022-11-20 18:20:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:20:04,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:04,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:20:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2022-11-20 18:20:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2022-11-20 18:20:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:20:04,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:04,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2022-11-20 18:20:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2022-11-20 18:20:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:20:07,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:07,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2022-11-20 18:20:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2022-11-20 18:20:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:20:08,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:20:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 56 states and 110 transitions. [2022-11-20 18:20:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 110 transitions. [2022-11-20 18:20:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:20:08,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:08,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:20:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2022-11-20 18:20:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2022-11-20 18:20:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:20:09,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:09,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2022-11-20 18:20:13,874 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2022-11-20 18:20:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:20:13,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:13,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2022-11-20 18:20:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2022-11-20 18:20:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:20:16,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:16,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 68 states and 139 transitions. [2022-11-20 18:20:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 139 transitions. [2022-11-20 18:20:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:20:18,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:18,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2022-11-20 18:20:20,863 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2022-11-20 18:20:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:20:20,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:20,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:20:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 73 states and 148 transitions. [2022-11-20 18:20:22,249 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 148 transitions. [2022-11-20 18:20:22,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:20:22,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:20:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 74 states and 152 transitions. [2022-11-20 18:20:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 152 transitions. [2022-11-20 18:20:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:20:23,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:23,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:20:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 75 states and 154 transitions. [2022-11-20 18:20:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 154 transitions. [2022-11-20 18:20:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:20:23,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:23,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:20:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 76 states and 155 transitions. [2022-11-20 18:20:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 155 transitions. [2022-11-20 18:20:24,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:20:24,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:24,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 78 states and 162 transitions. [2022-11-20 18:20:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 162 transitions. [2022-11-20 18:20:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:20:26,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:26,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2022-11-20 18:20:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2022-11-20 18:20:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:20:29,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:29,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 18:20:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 87 states and 187 transitions. [2022-11-20 18:20:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 187 transitions. [2022-11-20 18:20:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:20:31,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:31,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 18:20:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 89 states and 192 transitions. [2022-11-20 18:20:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 192 transitions. [2022-11-20 18:20:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:20:33,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:33,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 18:20:34,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 90 states and 195 transitions. [2022-11-20 18:20:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 195 transitions. [2022-11-20 18:20:34,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:20:34,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:34,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:34,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 91 states and 197 transitions. [2022-11-20 18:20:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 197 transitions. [2022-11-20 18:20:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:20:35,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:35,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 228 transitions. [2022-11-20 18:20:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 228 transitions. [2022-11-20 18:20:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:20:44,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:44,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:20:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 102 states and 228 transitions. [2022-11-20 18:20:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 228 transitions. [2022-11-20 18:20:45,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:20:45,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:45,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2022-11-20 18:20:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2022-11-20 18:20:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:20:55,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:55,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:20:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 91 transitions. [2022-11-20 18:20:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2022-11-20 18:20:56,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:20:56,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:56,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:21:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2022-11-20 18:21:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-11-20 18:21:03,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:21:03,773 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2022-11-20 18:21:03,780 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2022-11-20 18:21:04,408 INFO L560 CodeCheckObserver]: Invariant with dag size 50 [2022-11-20 18:21:04,424 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 18:21:04,425 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-11-20 18:21:04,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:04 ImpRootNode [2022-11-20 18:21:04,427 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:04,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:04,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:04,428 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:04,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:47" (3/4) ... [2022-11-20 18:21:04,432 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:21:04,442 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 18:21:04,442 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 18:21:04,442 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 18:21:04,442 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:21:04,468 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\valid[arr] == 1 && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 4 <= arr + i * 4) && 1 <= length) && i <= 1) || (((((((((\valid[arr] == 1 && arr + 8 <= unknown-#length-unknown[arr]) && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && i <= 2) && !(i <= 1)) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 1 <= length) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr)) || ((((((((\valid[arr] == 1 && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 2)) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) [2022-11-20 18:21:04,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 18:21:04,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) [2022-11-20 18:21:04,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:04,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:04,483 INFO L158 Benchmark]: Toolchain (without parser) took 77667.87ms. Allocated memory was 140.5MB in the beginning and 564.1MB in the end (delta: 423.6MB). Free memory was 108.0MB in the beginning and 285.5MB in the end (delta: -177.5MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. [2022-11-20 18:21:04,484 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:04,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.30ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 90.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:04,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.27ms. Allocated memory is still 140.5MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:04,486 INFO L158 Benchmark]: Boogie Preprocessor took 39.97ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 87.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:04,486 INFO L158 Benchmark]: RCFGBuilder took 412.94ms. Allocated memory is still 140.5MB. Free memory was 87.1MB in the beginning and 73.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:21:04,487 INFO L158 Benchmark]: CodeCheck took 76572.89ms. Allocated memory was 140.5MB in the beginning and 564.1MB in the end (delta: 423.6MB). Free memory was 72.8MB in the beginning and 288.7MB in the end (delta: -215.9MB). Peak memory consumption was 209.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:04,487 INFO L158 Benchmark]: Witness Printer took 54.90ms. Allocated memory is still 564.1MB. Free memory was 288.7MB in the beginning and 285.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:04,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 75.9s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5548 SdHoareTripleChecker+Valid, 36.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5007 mSDsluCounter, 3540 SdHoareTripleChecker+Invalid, 30.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3165 mSDsCounter, 3560 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15807 IncrementalHoareTripleChecker+Invalid, 19367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3560 mSolverCounterUnsat, 375 mSDtfsCounter, 15807 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5412 GetRequests, 4780 SyntacticMatches, 182 SemanticMatches, 450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108109 ImplicationChecksByTransitivity, 68.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 530 NumberOfCodeBlocks, 530 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 6029 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 19 PerfectInterpolantSequences, 85/207 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 364]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((((((\valid[arr] == 1 && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 4 <= arr + i * 4) && 1 <= length) && i <= 1) || (((((((((\valid[arr] == 1 && arr + 8 <= unknown-#length-unknown[arr]) && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && i <= 2) && !(i <= 1)) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 1 <= length) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr)) || ((((((((\valid[arr] == 1 && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 2)) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.30ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 90.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.27ms. Allocated memory is still 140.5MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.97ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 87.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.94ms. Allocated memory is still 140.5MB. Free memory was 87.1MB in the beginning and 73.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 76572.89ms. Allocated memory was 140.5MB in the beginning and 564.1MB in the end (delta: 423.6MB). Free memory was 72.8MB in the beginning and 288.7MB in the end (delta: -215.9MB). Peak memory consumption was 209.8MB. Max. memory is 16.1GB. * Witness Printer took 54.90ms. Allocated memory is still 564.1MB. Free memory was 288.7MB in the beginning and 285.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:21:04,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ecd395-a030-4423-9ac8-4cc61b8a249a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE