./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/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_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/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_4e4338f6-c8fa-418a-88eb-27e62beea560/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 b6ba0756961e47bc02202fdbcd11be999219b225857cf3037504c91aadb636cb --- 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 02:34:10,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:34:10,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:34:10,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:34:10,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:34:10,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:34:10,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:34:10,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:34:10,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:34:10,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:34:10,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:34:10,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:34:10,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:34:10,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:34:10,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:34:10,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:34:10,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:34:10,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:34:10,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:34:10,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:34:10,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:34:10,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:34:10,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:34:10,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:34:10,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:34:10,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:34:10,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:34:10,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:34:10,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:34:10,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:34:10,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:34:10,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:34:10,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:34:10,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:34:10,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:34:10,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:34:10,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:34:10,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:34:10,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:34:10,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:34:10,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:34:10,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:34:10,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:34:10,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:34:10,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:34:10,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:34:10,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:34:10,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:34:10,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:34:10,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:34:10,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:34:10,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:34:10,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:34:10,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:34:10,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:34:10,852 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:34:10,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:34:10,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:34:10,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:34:10,852 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:34:10,852 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:34:10,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:34:10,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:34:10,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:34:10,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:34:10,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:34:10,854 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:34:10,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:34:10,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:34:10,854 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_4e4338f6-c8fa-418a-88eb-27e62beea560/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ba0756961e47bc02202fdbcd11be999219b225857cf3037504c91aadb636cb [2022-12-15 02:34:11,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:34:11,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:34:11,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:34:11,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:34:11,047 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:34:11,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i [2022-12-15 02:34:13,688 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:34:13,887 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:34:13,887 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i [2022-12-15 02:34:13,900 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/data/53ff5a8fd/84a73f1eb38941709f074bab95ed1d50/FLAG4e5636c79 [2022-12-15 02:34:13,914 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/data/53ff5a8fd/84a73f1eb38941709f074bab95ed1d50 [2022-12-15 02:34:13,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:34:13,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:34:13,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:34:13,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:34:13,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:34:13,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4591f46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13, skipping insertion in model container [2022-12-15 02:34:13,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:34:13,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:34:14,211 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:34:14,536 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:34:14,541 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:34:14,543 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:34:14,545 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:34:14,546 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:34:14,564 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:34:14,570 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:34:14,578 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:34:14,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:34:14,587 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:34:14,603 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:34:14,663 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:34:14,664 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:34:14,665 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:34:14,667 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:34:14,668 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:34:14,671 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:34:14,673 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 02:34:14,677 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:34:14,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:34:14,752 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:34:14,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14 WrapperNode [2022-12-15 02:34:14,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:34:14,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:34:14,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:34:14,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:34:14,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,800 INFO L138 Inliner]: procedures = 504, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 187 [2022-12-15 02:34:14,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:34:14,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:34:14,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:34:14,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:34:14,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:34:14,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:34:14,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:34:14,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:34:14,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:14" (1/1) ... [2022-12-15 02:34:14,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:34:14,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:34:14,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:34:14,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:34:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 02:34:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 02:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 02:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 02:34:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 02:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 02:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:34:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:34:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:34:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:34:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 02:34:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:34:15,020 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:34:15,022 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:34:15,223 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:34:15,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:34:15,258 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 02:34:15,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:34:15 BoogieIcfgContainer [2022-12-15 02:34:15,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:34:15,262 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:34:15,262 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:34:15,272 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:34:15,272 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:34:15" (1/1) ... [2022-12-15 02:34:15,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:34:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2022-12-15 02:34:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2022-12-15 02:34:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:34:15,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:15,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:15,499 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 02:34:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 100 transitions. [2022-12-15 02:34:15,531 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2022-12-15 02:34:15,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:34:15,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:15,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:15,644 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 02:34:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 109 transitions. [2022-12-15 02:34:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2022-12-15 02:34:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:34:15,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:15,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:15,748 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 02:34:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 108 transitions. [2022-12-15 02:34:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2022-12-15 02:34:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:34:15,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:15,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:15,888 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 02:34:15,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 98 transitions. [2022-12-15 02:34:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2022-12-15 02:34:15,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:34:15,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:15,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,010 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 02:34:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 97 transitions. [2022-12-15 02:34:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2022-12-15 02:34:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:34:16,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,122 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 02:34:16,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 94 transitions. [2022-12-15 02:34:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2022-12-15 02:34:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:34:16,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,185 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 02:34:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 89 transitions. [2022-12-15 02:34:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2022-12-15 02:34:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:34:16,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,311 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 02:34:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 96 transitions. [2022-12-15 02:34:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-12-15 02:34:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:34:16,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,439 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 02:34:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 95 transitions. [2022-12-15 02:34:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2022-12-15 02:34:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 02:34:16,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,591 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 02:34:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 87 transitions. [2022-12-15 02:34:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-12-15 02:34:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:34:16,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,780 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 02:34:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 82 transitions. [2022-12-15 02:34:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-12-15 02:34:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:34:16,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:17,010 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 02:34:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 87 transitions. [2022-12-15 02:34:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2022-12-15 02:34:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:34:17,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:17,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:17,131 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 02:34:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 88 transitions. [2022-12-15 02:34:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2022-12-15 02:34:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:34:17,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:17,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:17,202 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 02:34:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 77 transitions. [2022-12-15 02:34:17,240 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2022-12-15 02:34:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 02:34:17,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:17,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:17,301 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 02:34:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 72 transitions. [2022-12-15 02:34:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-12-15 02:34:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:34:17,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:17,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:17,550 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 02:34:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 58 states and 78 transitions. [2022-12-15 02:34:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-15 02:34:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:34:17,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:17,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:17,686 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 02:34:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 79 transitions. [2022-12-15 02:34:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-15 02:34:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:34:17,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:17,764 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 02:34:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:17,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 51 states and 65 transitions. [2022-12-15 02:34:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-15 02:34:17,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:34:17,810 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2022-12-15 02:34:17,817 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 02:34:17,895 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,899 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:34:17,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:34:17 ImpRootNode [2022-12-15 02:34:17,901 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:34:17,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:34:17,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:34:17,902 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:34:17,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:34:15" (3/4) ... [2022-12-15 02:34:17,905 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:34:17,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 02:34:17,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 02:34:17,917 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-12-15 02:34:17,917 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 02:34:17,918 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 02:34:17,918 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 02:34:17,919 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:34:17,972 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:34:17,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:34:17,973 INFO L158 Benchmark]: Toolchain (without parser) took 4055.76ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 72.5MB in the beginning and 70.6MB in the end (delta: 1.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-12-15 02:34:17,974 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 58.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:34:17,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.28ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 72.1MB in the beginning and 74.9MB in the end (delta: -2.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-12-15 02:34:17,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.55ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 71.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:34:17,975 INFO L158 Benchmark]: Boogie Preprocessor took 23.70ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:34:17,975 INFO L158 Benchmark]: RCFGBuilder took 436.64ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 99.1MB in the end (delta: -29.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-12-15 02:34:17,975 INFO L158 Benchmark]: CodeCheck took 2638.94ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 74.8MB in the end (delta: 24.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-12-15 02:34:17,975 INFO L158 Benchmark]: Witness Printer took 71.32ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 70.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:34:17,977 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, 71 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2364 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 412 mSDsluCounter, 2000 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 464 mSDsCounter, 539 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1118 IncrementalHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 539 mSolverCounterUnsat, 1536 mSDtfsCounter, 1118 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4169 GetRequests, 4092 SyntacticMatches, 11 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1161 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 66/66 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: 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 - PositiveResult [Line: 1676]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: 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: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 58.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.28ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 72.1MB in the beginning and 74.9MB in the end (delta: -2.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.55ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 71.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.70ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.64ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 99.1MB in the end (delta: -29.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 2638.94ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 74.8MB in the end (delta: 24.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Witness Printer took 71.32ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 70.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:34:17,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4338f6-c8fa-418a-88eb-27e62beea560/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