./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_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_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/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_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/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_16684509-f6de-42a2-86ac-1b895278d807/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 d24d2f1606c60be87505e0b370f89e0b53807d9808266d59952cb999b01c197b --- 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 03:20:29,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:20:29,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:20:29,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:20:29,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:20:29,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:20:29,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:20:29,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:20:29,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:20:29,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:20:29,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:20:29,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:20:29,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:20:29,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:20:29,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:20:29,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:20:29,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:20:29,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:20:29,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:20:29,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:20:29,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:20:29,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:20:29,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:20:29,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:20:29,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:20:29,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:20:29,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:20:29,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:20:29,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:20:29,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:20:29,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:20:29,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:20:29,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:20:29,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:20:29,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:20:29,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:20:29,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:20:29,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:20:29,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:20:29,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:20:29,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:20:29,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:20:29,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:20:29,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:20:29,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:20:29,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:20:29,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:20:29,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:20:29,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:20:29,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:20:29,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:20:29,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:20:29,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:20:29,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:20:29,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:20:29,757 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:20:29,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:20:29,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:20:29,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:20:29,758 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:20:29,758 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:20:29,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:20:29,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:29,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:20:29,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:20:29,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:20:29,759 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:20:29,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:20:29,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:20:29,759 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_16684509-f6de-42a2-86ac-1b895278d807/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d24d2f1606c60be87505e0b370f89e0b53807d9808266d59952cb999b01c197b [2022-12-15 03:20:29,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:20:29,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:20:29,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:20:29,960 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:20:29,960 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:20:29,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i [2022-12-15 03:20:32,613 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:20:32,890 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:20:32,890 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i [2022-12-15 03:20:32,907 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/data/f124c99d8/acbc712dcf16403695f812f760474ca4/FLAG82e030c4e [2022-12-15 03:20:32,921 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/data/f124c99d8/acbc712dcf16403695f812f760474ca4 [2022-12-15 03:20:32,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:20:32,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:20:32,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:32,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:20:32,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:20:32,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:32" (1/1) ... [2022-12-15 03:20:32,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f0b3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:32, skipping insertion in model container [2022-12-15 03:20:32,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:32" (1/1) ... [2022-12-15 03:20:32,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:20:32,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:20:33,259 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:20:33,572 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:20:33,578 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:33,580 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:33,582 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:33,582 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:33,614 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:20:33,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:33,630 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:20:33,648 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:20:33,678 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:20:33,679 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:33,680 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:33,682 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:33,682 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:33,686 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:20:33,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:33,824 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:20:33,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33 WrapperNode [2022-12-15 03:20:33,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:33,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:33,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:20:33,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:20:33,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,874 INFO L138 Inliner]: procedures = 505, calls = 78, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 95 [2022-12-15 03:20:33,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:33,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:20:33,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:20:33,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:20:33,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:20:33,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:20:33,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:20:33,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:20:33,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:33" (1/1) ... [2022-12-15 03:20:33,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:33,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:20:33,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:20:33,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:20:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:20:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:20:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:20:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:20:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:20:34,084 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:20:34,086 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:20:34,227 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:20:34,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:20:34,264 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:20:34,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:34 BoogieIcfgContainer [2022-12-15 03:20:34,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:20:34,267 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:20:34,267 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:20:34,277 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:20:34,277 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:34" (1/1) ... [2022-12-15 03:20:34,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:20:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-12-15 03:20:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-12-15 03:20:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:20:34,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:34,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:34,531 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 03:20:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-12-15 03:20:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-12-15 03:20:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:20:34,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:34,686 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 03:20:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-12-15 03:20:34,741 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-12-15 03:20:34,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:20:34,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:34,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:34,783 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 03:20:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 41 transitions. [2022-12-15 03:20:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-12-15 03:20:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:20:34,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:20:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2022-12-15 03:20:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-12-15 03:20:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:20:34,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:34,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:34,995 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 03:20:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 39 transitions. [2022-12-15 03:20:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-12-15 03:20:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:20:35,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:35,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:35,167 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 03:20:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 38 transitions. [2022-12-15 03:20:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-12-15 03:20:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:20:35,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:35,402 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 03:20:35,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 37 transitions. [2022-12-15 03:20:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-12-15 03:20:35,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:20:35,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:35,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:35,560 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 03:20:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 36 transitions. [2022-12-15 03:20:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-12-15 03:20:35,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:20:35,702 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 03:20:35,709 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 03:20:35,738 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:35,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:20:35 ImpRootNode [2022-12-15 03:20:35,742 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:20:35,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:20:35,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:20:35,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:20:35,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:34" (3/4) ... [2022-12-15 03:20:35,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:20:35,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:20:35,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:20:35,753 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-15 03:20:35,753 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 03:20:35,753 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:20:35,753 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:20:35,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:20:35,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:20:35,788 INFO L158 Benchmark]: Toolchain (without parser) took 2863.47ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 78.6MB in the beginning and 103.5MB in the end (delta: -24.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-12-15 03:20:35,788 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:20:35,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.70ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 78.6MB in the beginning and 99.4MB in the end (delta: -20.8MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2022-12-15 03:20:35,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.08ms. Allocated memory is still 155.2MB. Free memory was 99.4MB in the beginning and 96.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:20:35,789 INFO L158 Benchmark]: Boogie Preprocessor took 27.60ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 94.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:20:35,789 INFO L158 Benchmark]: RCFGBuilder took 363.31ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 76.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 03:20:35,790 INFO L158 Benchmark]: CodeCheck took 1475.21ms. Allocated memory is still 155.2MB. Free memory was 76.4MB in the beginning and 107.6MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:20:35,790 INFO L158 Benchmark]: Witness Printer took 44.94ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 103.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:20:35,791 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 390 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 276 IncrementalHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 216 mSDtfsCounter, 276 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 773 GetRequests, 733 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.70ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 78.6MB in the beginning and 99.4MB in the end (delta: -20.8MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.08ms. Allocated memory is still 155.2MB. Free memory was 99.4MB in the beginning and 96.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.60ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 94.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.31ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 76.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1475.21ms. Allocated memory is still 155.2MB. Free memory was 76.4MB in the beginning and 107.6MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.94ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 103.5MB 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 03:20:35,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16684509-f6de-42a2-86ac-1b895278d807/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