./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7157ba450d9d62b74d19027a6860eb7210e35a76921ceb23a9c0a69add85337 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:30:02,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:30:02,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:30:02,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:30:02,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:30:02,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:30:02,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:30:02,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:30:02,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:30:02,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:30:02,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:30:02,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:30:02,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:30:02,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:30:02,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:30:02,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:30:02,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:30:02,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:30:02,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:30:02,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:30:02,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:30:03,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:30:03,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:30:03,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:30:03,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:30:03,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:30:03,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:30:03,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:30:03,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:30:03,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:30:03,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:30:03,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:30:03,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:30:03,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:30:03,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:30:03,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:30:03,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:30:03,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:30:03,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:30:03,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:30:03,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:30:03,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 23:30:03,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:30:03,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:30:03,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:30:03,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:30:03,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:30:03,039 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:30:03,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:30:03,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:30:03,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:30:03,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:30:03,040 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 23:30:03,040 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 23:30:03,040 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 23:30:03,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:30:03,041 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:30:03,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:30:03,041 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:30:03,041 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:30:03,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:30:03,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:30:03,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:30:03,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:30:03,042 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:30:03,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:30:03,043 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_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7157ba450d9d62b74d19027a6860eb7210e35a76921ceb23a9c0a69add85337 [2022-12-14 23:30:03,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:30:03,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:30:03,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:30:03,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:30:03,251 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:30:03,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/locks/test_locks_8.c [2022-12-14 23:30:05,830 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:30:06,010 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:30:06,010 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/sv-benchmarks/c/locks/test_locks_8.c [2022-12-14 23:30:06,015 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/data/c4d96f75b/665af0320c0a4b7ba308416877a94916/FLAG46e860cba [2022-12-14 23:30:06,412 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/data/c4d96f75b/665af0320c0a4b7ba308416877a94916 [2022-12-14 23:30:06,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:30:06,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:30:06,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:30:06,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:30:06,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:30:06,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447f3e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06, skipping insertion in model container [2022-12-14 23:30:06,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:30:06,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:30:06,537 WARN L237 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_2552e9e8-1739-44e3-bac6-7fdb3820f056/sv-benchmarks/c/locks/test_locks_8.c[3218,3231] [2022-12-14 23:30:06,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:30:06,548 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:30:06,562 WARN L237 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_2552e9e8-1739-44e3-bac6-7fdb3820f056/sv-benchmarks/c/locks/test_locks_8.c[3218,3231] [2022-12-14 23:30:06,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:30:06,572 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:30:06,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06 WrapperNode [2022-12-14 23:30:06,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:30:06,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:30:06,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:30:06,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:30:06,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,598 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-12-14 23:30:06,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:30:06,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:30:06,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:30:06,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:30:06,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:30:06,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:30:06,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:30:06,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:30:06,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:30:06,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:30:06,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:30:06,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:30:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:30:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:30:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:30:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:30:06,721 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:30:06,723 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:30:06,867 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:30:06,933 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:30:06,934 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:30:06,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:30:06 BoogieIcfgContainer [2022-12-14 23:30:06,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:30:06,937 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:30:06,937 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:30:06,947 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:30:06,947 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:30:06" (1/1) ... [2022-12-14 23:30:06,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:30:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2022-12-14 23:30:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-12-14 23:30:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:30:07,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:07,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-12-14 23:30:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-12-14 23:30:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:30:07,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:07,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-12-14 23:30:07,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-12-14 23:30:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:30:07,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:07,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:07,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-12-14 23:30:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-12-14 23:30:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:30:07,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:07,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2022-12-14 23:30:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2022-12-14 23:30:07,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:30:07,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:07,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2022-12-14 23:30:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2022-12-14 23:30:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:30:07,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:07,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2022-12-14 23:30:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-12-14 23:30:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:30:07,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:07,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2022-12-14 23:30:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2022-12-14 23:30:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:30:08,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:08,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-12-14 23:30:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-12-14 23:30:08,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:30:08,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:08,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-12-14 23:30:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-12-14 23:30:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:30:08,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:08,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2022-12-14 23:30:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2022-12-14 23:30:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:30:08,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:08,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2022-12-14 23:30:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-12-14 23:30:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:30:09,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:09,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2022-12-14 23:30:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2022-12-14 23:30:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:30:09,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2022-12-14 23:30:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2022-12-14 23:30:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:30:09,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:09,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2022-12-14 23:30:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-12-14 23:30:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:30:09,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:09,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-12-14 23:30:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-12-14 23:30:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:30:09,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:09,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2022-12-14 23:30:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2022-12-14 23:30:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:30:10,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:10,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2022-12-14 23:30:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2022-12-14 23:30:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:30:11,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:11,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2022-12-14 23:30:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2022-12-14 23:30:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:30:11,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:11,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2022-12-14 23:30:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2022-12-14 23:30:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:30:11,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:11,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-12-14 23:30:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-12-14 23:30:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:30:11,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:11,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2022-12-14 23:30:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2022-12-14 23:30:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:30:12,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:12,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2022-12-14 23:30:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2022-12-14 23:30:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:30:12,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:12,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2022-12-14 23:30:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2022-12-14 23:30:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:30:13,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:13,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2022-12-14 23:30:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2022-12-14 23:30:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:30:13,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:13,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-12-14 23:30:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-12-14 23:30:13,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:30:13,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:13,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2022-12-14 23:30:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2022-12-14 23:30:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:30:13,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:13,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:15,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2022-12-14 23:30:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2022-12-14 23:30:15,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:30:15,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:15,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2022-12-14 23:30:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2022-12-14 23:30:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:30:16,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:16,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2022-12-14 23:30:16,225 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2022-12-14 23:30:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:30:16,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:16,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2022-12-14 23:30:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2022-12-14 23:30:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:30:16,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:16,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2022-12-14 23:30:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-12-14 23:30:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:30:16,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2022-12-14 23:30:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2022-12-14 23:30:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:30:17,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:17,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:17,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2022-12-14 23:30:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2022-12-14 23:30:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:30:17,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:17,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2022-12-14 23:30:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2022-12-14 23:30:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:30:17,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:17,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:17,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:17,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2022-12-14 23:30:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-12-14 23:30:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:30:17,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:17,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2022-12-14 23:30:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-12-14 23:30:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:30:17,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:17,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2022-12-14 23:30:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-12-14 23:30:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:30:18,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:18,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:30:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 23:30:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 23:30:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:30:18,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:18,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2022-12-14 23:30:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-12-14 23:30:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:21,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2022-12-14 23:30:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2022-12-14 23:30:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:21,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:21,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2022-12-14 23:30:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-12-14 23:30:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:21,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:21,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2022-12-14 23:30:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2022-12-14 23:30:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:22,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:22,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:22,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2022-12-14 23:30:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-12-14 23:30:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:22,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2022-12-14 23:30:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2022-12-14 23:30:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:22,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2022-12-14 23:30:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2022-12-14 23:30:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:22,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:22,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:23,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-12-14 23:30:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-12-14 23:30:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:30:23,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:30:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:30:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:30:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:30:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:30:23,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-12-14 23:30:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-12-14 23:30:23,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:30:23,645 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2022-12-14 23:30:23,650 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-12-14 23:30:23,829 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 23:30:23,836 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 23:30:23,836 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 23:30:23,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:30:23 ImpRootNode [2022-12-14 23:30:23,836 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:30:23,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:30:23,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:30:23,837 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:30:23,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:30:06" (3/4) ... [2022-12-14 23:30:23,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:30:23,846 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-14 23:30:23,846 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 23:30:23,846 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 23:30:23,846 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:30:23,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 23:30:23,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 23:30:23,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 23:30:23,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:30:23,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:30:23,878 INFO L158 Benchmark]: Toolchain (without parser) took 17462.64ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 86.4MB in the beginning and 37.2MB in the end (delta: 49.3MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2022-12-14 23:30:23,878 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:30:23,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.47ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 75.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:30:23,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.42ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:30:23,878 INFO L158 Benchmark]: Boogie Preprocessor took 15.34ms. Allocated memory is still 121.6MB. Free memory was 73.9MB in the beginning and 73.0MB in the end (delta: 955.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:30:23,879 INFO L158 Benchmark]: RCFGBuilder took 322.10ms. Allocated memory is still 121.6MB. Free memory was 73.0MB in the beginning and 53.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:30:23,879 INFO L158 Benchmark]: CodeCheck took 16899.22ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 53.5MB in the beginning and 41.3MB in the end (delta: 12.2MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2022-12-14 23:30:23,879 INFO L158 Benchmark]: Witness Printer took 40.36ms. Allocated memory is still 172.0MB. Free memory was 41.3MB in the beginning and 37.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:30:23,880 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7196 SdHoareTripleChecker+Valid, 14.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6048 mSDsluCounter, 1378 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 1955 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14028 IncrementalHoareTripleChecker+Invalid, 15983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1955 mSolverCounterUnsat, 918 mSDtfsCounter, 14028 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5365 GetRequests, 5043 SyntacticMatches, 0 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46930 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 517 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 PerfectInterpolantSequences, 18/18 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: 135]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.47ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 75.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.42ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.34ms. Allocated memory is still 121.6MB. Free memory was 73.9MB in the beginning and 73.0MB in the end (delta: 955.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.10ms. Allocated memory is still 121.6MB. Free memory was 73.0MB in the beginning and 53.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16899.22ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 53.5MB in the beginning and 41.3MB in the end (delta: 12.2MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Witness Printer took 40.36ms. Allocated memory is still 172.0MB. Free memory was 41.3MB in the beginning and 37.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:30:23,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e9e8-1739-44e3-bac6-7fdb3820f056/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE