./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_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_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/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_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/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_452245e1-3817-42fc-9c61-917c135cde33/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 58e2f70d351b8baeb580b48bd8ec4b6e50af8e6395f4d8ac18e43b903d94555f --- 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 01:04:12,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:04:12,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:04:12,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:04:12,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:04:12,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:04:12,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:04:12,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:04:12,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:04:12,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:04:12,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:04:12,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:04:12,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:04:12,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:04:12,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:04:12,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:04:12,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:04:12,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:04:12,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:04:12,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:04:12,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:04:12,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:04:12,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:04:12,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:04:12,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:04:12,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:04:12,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:04:12,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:04:12,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:04:12,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:04:12,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:04:12,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:04:12,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:04:12,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:04:12,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:04:12,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:04:12,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:04:12,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:04:12,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:04:12,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:04:12,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:04:12,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:04:12,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:04:12,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:04:12,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:04:12,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:04:12,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:04:12,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:04:12,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:04:12,847 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:04:12,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:04:12,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:04:12,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:04:12,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:04:12,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:04:12,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:04:12,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:04:12,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:04:12,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:04:12,849 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:04:12,849 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:04:12,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:04:12,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:04:12,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:04:12,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:04:12,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:04:12,850 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:04:12,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:04:12,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:04:12,851 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_452245e1-3817-42fc-9c61-917c135cde33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58e2f70d351b8baeb580b48bd8ec4b6e50af8e6395f4d8ac18e43b903d94555f [2022-12-15 01:04:13,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:04:13,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:04:13,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:04:13,053 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:04:13,053 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:04:13,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_good.i [2022-12-15 01:04:15,657 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:04:15,916 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:04:15,917 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_good.i [2022-12-15 01:04:15,934 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/data/c7e86c9ed/fe4e878b1d2e4a0e9d9d530eaea17781/FLAG71584f3b9 [2022-12-15 01:04:15,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/data/c7e86c9ed/fe4e878b1d2e4a0e9d9d530eaea17781 [2022-12-15 01:04:15,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:04:15,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:04:15,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:04:15,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:04:15,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:04:15,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:15" (1/1) ... [2022-12-15 01:04:15,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb78126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:15, skipping insertion in model container [2022-12-15 01:04:15,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:15" (1/1) ... [2022-12-15 01:04:15,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:04:16,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:04:16,257 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:04:16,585 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:04:16,590 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:04:16,592 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:04:16,594 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:04:16,595 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:04:16,617 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:04:16,624 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:04:16,633 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:04:16,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:04:16,646 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:04:16,664 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:04:16,709 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:04:16,711 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:04:16,712 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:04:16,714 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:04:16,715 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:04:16,719 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:04:16,723 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:04:16,727 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:04:16,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:04:16,810 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:04:16,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16 WrapperNode [2022-12-15 01:04:16,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:04:16,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:04:16,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:04:16,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:04:16,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,860 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 108 [2022-12-15 01:04:16,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:04:16,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:04:16,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:04:16,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:04:16,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:04:16,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:04:16,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:04:16,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:04:16,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:16" (1/1) ... [2022-12-15 01:04:16,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:04:16,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:04:16,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:04:16,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:04:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:04:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:04:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:04:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:04:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:04:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:04:17,065 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:04:17,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:04:17,244 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:04:17,267 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:04:17,267 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:04:17,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:17 BoogieIcfgContainer [2022-12-15 01:04:17,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:04:17,270 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:04:17,270 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:04:17,277 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:04:17,277 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:17" (1/1) ... [2022-12-15 01:04:17,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:04:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:17,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 01:04:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 01:04:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:04:17,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:17,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:17,470 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 01:04:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-12-15 01:04:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:04:17,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:04:17,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:17,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:17,608 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 01:04:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-12-15 01:04:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 01:04:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:04:17,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:17,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:17,689 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 01:04:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 77 transitions. [2022-12-15 01:04:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-12-15 01:04:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:04:17,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:17,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:17,787 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 01:04:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 70 transitions. [2022-12-15 01:04:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 01:04:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:04:17,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:17,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:17,882 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 01:04:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 72 transitions. [2022-12-15 01:04:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:04:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:04:17,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:17,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,004 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 01:04:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 75 transitions. [2022-12-15 01:04:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-12-15 01:04:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:04:18,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,061 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 01:04:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 69 transitions. [2022-12-15 01:04:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-12-15 01:04:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:04:18,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,109 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 01:04:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-12-15 01:04:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:04:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:04:18,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,280 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 01:04:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-12-15 01:04:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-12-15 01:04:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:04:18,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,356 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 01:04:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 71 transitions. [2022-12-15 01:04:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-12-15 01:04:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:04:18,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,436 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 01:04:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 73 transitions. [2022-12-15 01:04:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-12-15 01:04:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:04:18,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,553 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 01:04:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 66 transitions. [2022-12-15 01:04:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:04:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:04:18,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,675 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 01:04:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 63 transitions. [2022-12-15 01:04:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 01:04:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:04:18,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,768 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 01:04:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 67 transitions. [2022-12-15 01:04:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 01:04:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:04:18,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,824 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 01:04:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 68 transitions. [2022-12-15 01:04:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-12-15 01:04:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:04:18,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,865 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 01:04:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 53 states and 70 transitions. [2022-12-15 01:04:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-12-15 01:04:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:04:18,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:18,917 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 01:04:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 54 states and 71 transitions. [2022-12-15 01:04:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-12-15 01:04:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:04:18,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:18,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:19,023 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 01:04:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 45 states and 57 transitions. [2022-12-15 01:04:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-15 01:04:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:04:19,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:19,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:19,257 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 01:04:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 44 states and 56 transitions. [2022-12-15 01:04:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 01:04:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:04:19,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:19,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:19,342 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 01:04:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 43 states and 55 transitions. [2022-12-15 01:04:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 01:04:19,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:04:19,359 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-15 01:04:19,367 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:04:19,468 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:04:19,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:04:19 ImpRootNode [2022-12-15 01:04:19,472 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:04:19,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:04:19,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:04:19,473 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:04:19,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:17" (3/4) ... [2022-12-15 01:04:19,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:04:19,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:04:19,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:04:19,486 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 01:04:19,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:04:19,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:04:19,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:04:19,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:04:19,536 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:04:19,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:04:19,537 INFO L158 Benchmark]: Toolchain (without parser) took 3584.41ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 96.4MB in the beginning and 73.5MB in the end (delta: 22.8MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-12-15 01:04:19,537 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:04:19,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.16ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 85.6MB in the end (delta: 10.4MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2022-12-15 01:04:19,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.73ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 82.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:04:19,538 INFO L158 Benchmark]: Boogie Preprocessor took 19.57ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:04:19,538 INFO L158 Benchmark]: RCFGBuilder took 388.04ms. Allocated memory is still 134.2MB. Free memory was 80.8MB in the beginning and 62.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 01:04:19,538 INFO L158 Benchmark]: CodeCheck took 2202.80ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 61.9MB in the beginning and 77.6MB in the end (delta: -15.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-12-15 01:04:19,539 INFO L158 Benchmark]: Witness Printer took 63.14ms. Allocated memory is still 161.5MB. Free memory was 77.6MB in the beginning and 73.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:04:19,541 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: 2.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2660 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 834 mSDsluCounter, 2138 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 646 mSDsCounter, 502 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1909 IncrementalHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 502 mSolverCounterUnsat, 1492 mSDtfsCounter, 1909 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4007 GetRequests, 3937 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1631 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 834 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: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1646]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1646]: 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: 1663]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.16ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 85.6MB in the end (delta: 10.4MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.73ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 82.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.57ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.04ms. Allocated memory is still 134.2MB. Free memory was 80.8MB in the beginning and 62.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2202.80ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 61.9MB in the beginning and 77.6MB in the end (delta: -15.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 63.14ms. Allocated memory is still 161.5MB. Free memory was 77.6MB in the beginning and 73.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:04:19,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452245e1-3817-42fc-9c61-917c135cde33/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