./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:46:57,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:57,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:57,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:57,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:57,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:57,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:57,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:57,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:57,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:57,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:57,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:57,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:57,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:57,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:57,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:57,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:57,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:57,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:57,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:57,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:57,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:57,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:57,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:57,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:57,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:57,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:57,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:57,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:57,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:57,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:57,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:57,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:57,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:57,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:57,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:57,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:57,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:57,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:57,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:57,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:57,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-10-17 16:46:57,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:57,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:57,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:57,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:57,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:57,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:46:57,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:57,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:57,988 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:46:57,988 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:46:57,990 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:46:57,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:57,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:57,990 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:57,991 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:57,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:57,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:57,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:57,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:57,992 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:57,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:57,992 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_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-10-17 16:46:58,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:58,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:58,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:58,296 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:58,296 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:58,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-10-17 16:46:58,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/data/75e091623/0a375863ee40440fac43c0ef93b0df9a/FLAG99c19538b [2022-10-17 16:46:58,988 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:58,993 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-10-17 16:46:59,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/data/75e091623/0a375863ee40440fac43c0ef93b0df9a/FLAG99c19538b [2022-10-17 16:46:59,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/data/75e091623/0a375863ee40440fac43c0ef93b0df9a [2022-10-17 16:46:59,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:59,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:59,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:59,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:59,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:59,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fffbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59, skipping insertion in model container [2022-10-17 16:46:59,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:59,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:00,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-10-17 16:47:00,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:00,253 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:00,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-10-17 16:47:00,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:00,448 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:00,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00 WrapperNode [2022-10-17 16:47:00,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:00,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:00,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:00,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:00,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,585 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 16, calls inlined = 11, statements flattened = 400 [2022-10-17 16:47:00,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:00,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:00,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:00,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:00,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:00,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:00,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:00,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:00,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:00,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:00,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:00,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7997626a-0277-4004-a311-0b42e05d2ae9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:47:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:47:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:47:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:47:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:47:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-10-17 16:47:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:47:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:01,248 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:01,249 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:02,007 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:02,164 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:02,164 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:47:02,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:02 BoogieIcfgContainer [2022-10-17 16:47:02,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:02,172 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:02,172 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:02,184 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:02,185 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:02" (1/1) ... [2022-10-17 16:47:02,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 198 states and 227 transitions. [2022-10-17 16:47:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 227 transitions. [2022-10-17 16:47:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:47:02,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 197 states and 226 transitions. [2022-10-17 16:47:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2022-10-17 16:47:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:47:02,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 196 states and 225 transitions. [2022-10-17 16:47:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 225 transitions. [2022-10-17 16:47:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:03,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 197 states and 227 transitions. [2022-10-17 16:47:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2022-10-17 16:47:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:03,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 198 states and 229 transitions. [2022-10-17 16:47:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 229 transitions. [2022-10-17 16:47:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:03,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 200 states and 231 transitions. [2022-10-17 16:47:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 231 transitions. [2022-10-17 16:47:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:03,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 201 states and 234 transitions. [2022-10-17 16:47:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 234 transitions. [2022-10-17 16:47:04,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:04,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:04,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 201 states and 233 transitions. [2022-10-17 16:47:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 233 transitions. [2022-10-17 16:47:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:04,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:04,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 203 states and 236 transitions. [2022-10-17 16:47:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2022-10-17 16:47:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:05,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 205 states and 241 transitions. [2022-10-17 16:47:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 241 transitions. [2022-10-17 16:47:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:05,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:47:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 205 states and 240 transitions. [2022-10-17 16:47:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2022-10-17 16:47:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:05,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:06,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 206 states and 240 transitions. [2022-10-17 16:47:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 240 transitions. [2022-10-17 16:47:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:06,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 208 states and 245 transitions. [2022-10-17 16:47:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 245 transitions. [2022-10-17 16:47:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:06,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 208 states and 244 transitions. [2022-10-17 16:47:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 244 transitions. [2022-10-17 16:47:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:06,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 209 states and 244 transitions. [2022-10-17 16:47:07,526 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 244 transitions. [2022-10-17 16:47:07,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:47:07,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 211 states and 249 transitions. [2022-10-17 16:47:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2022-10-17 16:47:07,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:47:07,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:47:08,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 211 states and 248 transitions. [2022-10-17 16:47:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2022-10-17 16:47:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:47:08,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 212 states and 248 transitions. [2022-10-17 16:47:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 248 transitions. [2022-10-17 16:47:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:47:08,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:47:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 215 states and 256 transitions. [2022-10-17 16:47:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 256 transitions. [2022-10-17 16:47:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:47:11,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:11,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 217 states and 261 transitions. [2022-10-17 16:47:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 261 transitions. [2022-10-17 16:47:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:47:12,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:12,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:47:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 217 states and 260 transitions. [2022-10-17 16:47:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 260 transitions. [2022-10-17 16:47:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:47:12,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 219 states and 266 transitions. [2022-10-17 16:47:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 266 transitions. [2022-10-17 16:47:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:14,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:14,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 221 states and 273 transitions. [2022-10-17 16:47:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 273 transitions. [2022-10-17 16:47:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:16,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:16,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:16,241 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 223 states and 281 transitions. [2022-10-17 16:47:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 281 transitions. [2022-10-17 16:47:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:16,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:16,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 225 states and 282 transitions. [2022-10-17 16:47:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2022-10-17 16:47:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:18,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:47:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 225 states and 281 transitions. [2022-10-17 16:47:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 281 transitions. [2022-10-17 16:47:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:18,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 227 states and 288 transitions. [2022-10-17 16:47:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 288 transitions. [2022-10-17 16:47:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:19,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:19,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 228 states and 289 transitions. [2022-10-17 16:47:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 289 transitions. [2022-10-17 16:47:20,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:20,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:20,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-17 16:47:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 228 states and 288 transitions. [2022-10-17 16:47:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 288 transitions. [2022-10-17 16:47:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:21,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 230 states and 295 transitions. [2022-10-17 16:47:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 295 transitions. [2022-10-17 16:47:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:22,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:22,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:47:22,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 230 states and 294 transitions. [2022-10-17 16:47:22,832 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2022-10-17 16:47:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:22,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:22,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 231 states and 294 transitions. [2022-10-17 16:47:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 294 transitions. [2022-10-17 16:47:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:24,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 233 states and 297 transitions. [2022-10-17 16:47:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 297 transitions. [2022-10-17 16:47:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:25,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:25,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 215 states and 243 transitions. [2022-10-17 16:47:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 243 transitions. [2022-10-17 16:47:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:26,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:26,448 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-10-17 16:47:26,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 212 states and 240 transitions. [2022-10-17 16:47:26,719 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 240 transitions. [2022-10-17 16:47:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:47:26,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.