./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0683192a35b606c605965d3c7591b2a3203200bad2805a7ff5a913dab893a536 --- 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-8393723 [2022-11-19 07:46:41,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:46:41,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:46:41,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:46:41,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:46:41,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:46:41,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:46:41,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:46:41,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:46:41,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:46:41,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:46:41,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:46:41,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:46:41,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:46:41,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:46:41,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:46:41,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:46:41,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:46:41,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:46:41,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:46:41,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:46:41,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:46:41,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:46:41,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:46:41,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:46:41,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:46:41,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:46:41,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:46:41,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:46:41,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:46:41,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:46:41,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:46:41,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:46:41,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:46:41,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:46:41,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:46:41,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:46:41,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:46:41,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:46:41,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:46:41,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:46:41,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 07:46:41,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:46:41,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:46:41,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:46:41,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:46:41,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:46:41,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:46:41,882 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:46:41,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:46:41,882 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:46:41,883 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:46:41,884 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:46:41,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:46:41,884 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:46:41,885 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:46:41,885 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:46:41,885 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:46:41,885 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:46:41,886 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:46:41,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:46:41,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:46:41,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:46:41,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:46:41,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:46:41,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:46:41,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:46:41,888 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:46:41,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:46:41,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:46:41,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:46:41,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:46:41,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:46:41,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:46:41,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:46:41,891 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:46:41,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:46:41,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:46:41,892 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:46:41,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:46:41,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:46:41,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:46:41,893 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_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0683192a35b606c605965d3c7591b2a3203200bad2805a7ff5a913dab893a536 [2022-11-19 07:46:42,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:46:42,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:46:42,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:46:42,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:46:42,232 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:46:42,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_bad.i [2022-11-19 07:46:42,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/data/46eaa8603/85d419a2069b45af813a1adaed7185f0/FLAG6646c72ff [2022-11-19 07:46:43,003 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:46:43,004 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_17_bad.i [2022-11-19 07:46:43,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/data/46eaa8603/85d419a2069b45af813a1adaed7185f0/FLAG6646c72ff [2022-11-19 07:46:43,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/data/46eaa8603/85d419a2069b45af813a1adaed7185f0 [2022-11-19 07:46:43,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:46:43,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:46:43,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:46:43,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:46:43,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:46:43,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:43" (1/1) ... [2022-11-19 07:46:43,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688303ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:43, skipping insertion in model container [2022-11-19 07:46:43,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:43" (1/1) ... [2022-11-19 07:46:43,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:46:43,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:46:43,769 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:46:44,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:46:44,375 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:46:44,395 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:46:44,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:46:44,587 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:46:44,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44 WrapperNode [2022-11-19 07:46:44,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:46:44,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:46:44,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:46:44,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:46:44,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,659 INFO L138 Inliner]: procedures = 499, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-11-19 07:46:44,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:46:44,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:46:44,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:46:44,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:46:44,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:46:44,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:46:44,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:46:44,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:46:44,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (1/1) ... [2022-11-19 07:46:44,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:46:44,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:46:44,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:46:44,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:46:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-19 07:46:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-19 07:46:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:46:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:46:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:46:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:46:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:46:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:46:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-19 07:46:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:46:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:46:45,098 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:46:45,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:46:45,260 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:46:45,321 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:46:45,321 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:46:45,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:45 BoogieIcfgContainer [2022-11-19 07:46:45,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:46:45,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:46:45,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:46:45,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:46:45,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:43" (1/3) ... [2022-11-19 07:46:45,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5513e6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:45, skipping insertion in model container [2022-11-19 07:46:45,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:44" (2/3) ... [2022-11-19 07:46:45,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5513e6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:45, skipping insertion in model container [2022-11-19 07:46:45,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:45" (3/3) ... [2022-11-19 07:46:45,335 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_17_bad.i [2022-11-19 07:46:45,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:46:45,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 07:46:45,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:46:45,414 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@173bdfc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:46:45,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-19 07:46:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:46:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 07:46:45,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:46:45,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:46:45,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:46:45,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:46:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1291567540, now seen corresponding path program 1 times [2022-11-19 07:46:45,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:46:45,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485097254] [2022-11-19 07:46:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:45,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:46:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:46:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:46:45,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:46:45,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485097254] [2022-11-19 07:46:45,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485097254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:46:45,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:46:45,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:46:45,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795424085] [2022-11-19 07:46:45,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:46:45,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:46:45,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:46:45,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:46:45,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:46:45,924 INFO L87 Difference]: Start difference. First operand has 22 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:46:46,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:46:46,047 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-11-19 07:46:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:46:46,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-19 07:46:46,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:46:46,061 INFO L225 Difference]: With dead ends: 41 [2022-11-19 07:46:46,061 INFO L226 Difference]: Without dead ends: 22 [2022-11-19 07:46:46,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:46:46,072 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:46:46,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 42 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:46:46,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-19 07:46:46,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-19 07:46:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:46:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-19 07:46:46,126 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2022-11-19 07:46:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:46:46,127 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-19 07:46:46,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:46:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-19 07:46:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:46:46,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:46:46,130 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:46:46,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:46:46,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:46:46,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:46:46,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1523363816, now seen corresponding path program 1 times [2022-11-19 07:46:46,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:46:46,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855566202] [2022-11-19 07:46:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:46:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:46:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:46:46,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:46:46,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855566202] [2022-11-19 07:46:46,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855566202] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:46:46,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147146118] [2022-11-19 07:46:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:46,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:46:46,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:46:46,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:46:46,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:46:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:46:46,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:46:46,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:46:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:46:46,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:46:46,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147146118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:46:46,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:46:46,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-19 07:46:46,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070752284] [2022-11-19 07:46:46,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:46:46,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:46:46,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:46:46,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:46:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:46:46,575 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:46:46,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:46:46,613 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-11-19 07:46:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:46:46,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-19 07:46:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:46:46,614 INFO L225 Difference]: With dead ends: 32 [2022-11-19 07:46:46,615 INFO L226 Difference]: Without dead ends: 18 [2022-11-19 07:46:46,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:46:46,617 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 22 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:46:46,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 23 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:46:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-19 07:46:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-19 07:46:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:46:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-19 07:46:46,622 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10 [2022-11-19 07:46:46,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:46:46,623 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-19 07:46:46,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:46:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-19 07:46:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:46:46,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:46:46,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:46:46,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:46:46,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:46:46,834 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:46:46,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:46:46,835 INFO L85 PathProgramCache]: Analyzing trace with hash 20373035, now seen corresponding path program 1 times [2022-11-19 07:46:46,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:46:46,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908352390] [2022-11-19 07:46:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:46,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:46:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:46:46,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:46:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:46:46,919 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:46:46,920 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:46:46,921 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-19 07:46:46,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-19 07:46:46,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-19 07:46:46,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-19 07:46:46,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-19 07:46:46,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-19 07:46:46,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:46:46,929 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-19 07:46:46,935 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:46:46,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:46 BoogieIcfgContainer [2022-11-19 07:46:46,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:46:46,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:46:46,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:46:46,976 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:46:46,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:45" (3/4) ... [2022-11-19 07:46:46,979 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 07:46:47,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:46:47,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:46:47,037 INFO L158 Benchmark]: Toolchain (without parser) took 3859.02ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 74.8MB in the beginning and 63.6MB in the end (delta: 11.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-19 07:46:47,038 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:46:47,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1402.76ms. Allocated memory is still 115.3MB. Free memory was 74.7MB in the beginning and 82.3MB in the end (delta: -7.7MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-11-19 07:46:47,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.36ms. Allocated memory is still 115.3MB. Free memory was 82.3MB in the beginning and 79.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:46:47,040 INFO L158 Benchmark]: Boogie Preprocessor took 72.38ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 77.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:46:47,041 INFO L158 Benchmark]: RCFGBuilder took 590.73ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 63.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 07:46:47,041 INFO L158 Benchmark]: TraceAbstraction took 1648.96ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 62.1MB in the beginning and 66.7MB in the end (delta: -4.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-11-19 07:46:47,042 INFO L158 Benchmark]: Witness Printer took 61.09ms. Allocated memory is still 140.5MB. Free memory was 66.7MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:46:47,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1402.76ms. Allocated memory is still 115.3MB. Free memory was 74.7MB in the beginning and 82.3MB in the end (delta: -7.7MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.36ms. Allocated memory is still 115.3MB. Free memory was 82.3MB in the beginning and 79.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.38ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 77.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.73ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 63.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1648.96ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 62.1MB in the beginning and 66.7MB in the end (delta: -4.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 61.09ms. Allocated memory is still 140.5MB. Free memory was 66.7MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1525] int globalTrue = 1; [L1547] char** globalArgv = ((void *)0); [L1526] int globalFalse = 0; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1546] int globalArgc = 0; [L1522] const int GLOBAL_CONST_TRUE = 1; [L1527] int globalFive = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_add_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1553] i++ VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] EXPR \read(data) VAL [\read(data)=2147483647, data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1560] data + 1 VAL [\read(data)=2147483647, data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 1 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-19 07:46:47,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1047fa7d-67c5-4ba6-8902-4dc271bce807/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)