./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/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_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6e6aedaa36de2a3e24c3e02d4ac6f4797594169e7d60798bc19b7672556b0a3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:14:00,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:14:00,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:14:00,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:14:00,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:14:00,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:14:00,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:14:00,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:14:00,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:14:00,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:14:00,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:14:00,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:14:00,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:14:00,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:14:00,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:14:00,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:14:00,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:14:00,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:14:00,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:14:00,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:14:00,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:14:00,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:14:00,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:14:00,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:14:00,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:14:00,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:14:00,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:14:00,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:14:00,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:14:00,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:14:00,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:14:00,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:14:00,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:14:00,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:14:00,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:14:00,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:14:00,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:14:00,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:14:00,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:14:00,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:14:00,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:14:00,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:14:00,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:14:00,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:14:00,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:14:00,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:14:00,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:14:00,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:14:00,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:14:00,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:14:00,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:14:00,689 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:14:00,690 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:14:00,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:14:00,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:14:00,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:14:00,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:14:00,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:14:00,690 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:14:00,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:14:00,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:14:00,691 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_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6e6aedaa36de2a3e24c3e02d4ac6f4797594169e7d60798bc19b7672556b0a3 [2022-12-15 02:14:00,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:14:00,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:14:00,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:14:00,885 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:14:00,886 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:14:00,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i [2022-12-15 02:14:03,478 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:14:03,721 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:14:03,721 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i [2022-12-15 02:14:03,735 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/data/ff0d47269/738a3f356be54152bb116e394cf61260/FLAGc81237115 [2022-12-15 02:14:04,057 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/data/ff0d47269/738a3f356be54152bb116e394cf61260 [2022-12-15 02:14:04,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:14:04,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:14:04,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:14:04,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:14:04,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:14:04,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747c9b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04, skipping insertion in model container [2022-12-15 02:14:04,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:14:04,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:14:04,334 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:14:04,628 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:14:04,632 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:14:04,634 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:14:04,636 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:14:04,636 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:14:04,653 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:14:04,659 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:14:04,666 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:14:04,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:14:04,678 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:14:04,696 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:14:04,735 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:14:04,737 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:14:04,738 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:14:04,740 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:14:04,741 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:14:04,745 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:14:04,748 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:14:04,752 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:14:04,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:14:04,855 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:14:04,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04 WrapperNode [2022-12-15 02:14:04,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:14:04,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:14:04,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:14:04,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:14:04,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,891 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 120 [2022-12-15 02:14:04,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:14:04,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:14:04,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:14:04,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:14:04,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:14:04,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:14:04,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:14:04,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:14:04,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:14:04" (1/1) ... [2022-12-15 02:14:04,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:14:04,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:14:04,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:14:04,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:14:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 02:14:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 02:14:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 02:14:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 02:14:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 02:14:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:14:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 02:14:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:14:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:14:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:14:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:14:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 02:14:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:14:05,067 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:14:05,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:14:05,219 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:14:05,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:14:05,241 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 02:14:05,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:14:05 BoogieIcfgContainer [2022-12-15 02:14:05,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:14:05,244 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:14:05,244 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:14:05,251 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:14:05,251 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:14:05" (1/1) ... [2022-12-15 02:14:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:14:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 02:14:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 02:14:05,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:14:05,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:14:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-12-15 02:14:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 02:14:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:14:05,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:05,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:14:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 71 transitions. [2022-12-15 02:14:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 02:14:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:14:05,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:05,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:14:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-12-15 02:14:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 02:14:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:14:05,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:05,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:14:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 70 transitions. [2022-12-15 02:14:05,882 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 02:14:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:14:05,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:05,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:14:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 72 transitions. [2022-12-15 02:14:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 02:14:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:14:06,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:14:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 75 transitions. [2022-12-15 02:14:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-12-15 02:14:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:14:06,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 69 transitions. [2022-12-15 02:14:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-12-15 02:14:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:14:06,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:14:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-12-15 02:14:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 02:14:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:14:06,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:14:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 65 transitions. [2022-12-15 02:14:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-12-15 02:14:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:14:06,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:14:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-12-15 02:14:06,469 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-12-15 02:14:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:14:06,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:14:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 74 transitions. [2022-12-15 02:14:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-12-15 02:14:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:14:06,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 66 transitions. [2022-12-15 02:14:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 02:14:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:14:06,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 63 transitions. [2022-12-15 02:14:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 02:14:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 02:14:06,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:06,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 67 transitions. [2022-12-15 02:14:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 02:14:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:14:07,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 72 transitions. [2022-12-15 02:14:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 02:14:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 02:14:07,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:07,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 02:14:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 74 transitions. [2022-12-15 02:14:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-12-15 02:14:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 02:14:07,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 56 states and 75 transitions. [2022-12-15 02:14:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-12-15 02:14:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:14:07,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:07,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 57 transitions. [2022-12-15 02:14:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-15 02:14:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:14:07,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:07,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 44 states and 56 transitions. [2022-12-15 02:14:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 02:14:08,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:14:08,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:08,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:14:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:14:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 43 states and 55 transitions. [2022-12-15 02:14:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 02:14:08,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:14:08,472 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-15 02:14:08,479 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 02:14:08,574 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:14:08,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:14:08 ImpRootNode [2022-12-15 02:14:08,579 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:14:08,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:14:08,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:14:08,580 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:14:08,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:14:05" (3/4) ... [2022-12-15 02:14:08,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:14:08,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 02:14:08,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 02:14:08,593 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 02:14:08,593 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 02:14:08,593 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 02:14:08,594 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:14:08,594 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:14:08,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:14:08,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:14:08,633 INFO L158 Benchmark]: Toolchain (without parser) took 4570.46ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 102.7MB in the beginning and 86.9MB in the end (delta: 15.8MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-12-15 02:14:08,633 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:14:08,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.13ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 94.0MB in the end (delta: 8.7MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2022-12-15 02:14:08,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.57ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 90.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:14:08,634 INFO L158 Benchmark]: Boogie Preprocessor took 17.74ms. Allocated memory is still 140.5MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:14:08,635 INFO L158 Benchmark]: RCFGBuilder took 333.15ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 70.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 02:14:08,635 INFO L158 Benchmark]: CodeCheck took 3334.83ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 70.3MB in the beginning and 90.1MB in the end (delta: -19.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-12-15 02:14:08,635 INFO L158 Benchmark]: Witness Printer took 53.17ms. Allocated memory is still 169.9MB. Free memory was 90.1MB in the beginning and 86.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:14:08,637 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 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2649 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 724 mSDsluCounter, 2104 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 628 mSDsCounter, 602 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1963 IncrementalHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 602 mSolverCounterUnsat, 1476 mSDtfsCounter, 1963 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4051 GetRequests, 3943 SyntacticMatches, 10 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3720 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1667]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.13ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 94.0MB in the end (delta: 8.7MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.57ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 90.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.74ms. Allocated memory is still 140.5MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.15ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 70.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3334.83ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 70.3MB in the beginning and 90.1MB in the end (delta: -19.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 53.17ms. Allocated memory is still 169.9MB. Free memory was 90.1MB in the beginning and 86.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:14:08,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae09423d-1e03-4dcc-b3e5-6433c3447d1f/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