./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur --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 3ba06450c0e842f1722656ac0b21752c4b147ab62131bf93b66466ccf668c92a --- 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-38b53e6 [2022-11-25 22:28:26,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:28:26,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:28:26,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:28:26,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:28:26,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:28:26,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:28:26,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:28:26,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:28:26,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:28:26,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:28:26,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:28:26,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:28:26,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:28:26,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:28:26,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:28:26,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:28:26,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:28:26,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:28:26,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:28:26,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:28:26,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:28:26,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:28:26,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:28:26,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:28:26,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:28:26,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:28:26,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:28:26,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:28:26,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:28:26,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:28:26,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:28:26,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:28:26,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:28:26,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:28:26,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:28:26,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:28:26,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:28:26,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:28:26,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:28:26,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:28:26,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:28:26,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:28:26,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:28:26,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:28:26,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:28:26,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:28:26,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:28:26,981 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:28:26,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:28:26,982 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:28:26,982 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:28:26,983 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:28:26,983 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:28:26,984 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:28:26,984 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:28:26,984 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:28:26,984 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:28:26,985 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:28:26,985 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:28:26,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:28:26,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:28:26,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:28:26,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:28:26,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:28:26,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:28:26,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:28:26,988 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:28:26,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:28:26,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:28:26,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:28:26,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:28:26,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:28:26,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:28:26,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:28:26,991 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:28:26,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:28:26,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:28:26,992 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:28:26,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:28:26,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:28:26,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:28:26,993 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_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ba06450c0e842f1722656ac0b21752c4b147ab62131bf93b66466ccf668c92a [2022-11-25 22:28:27,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:28:27,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:28:27,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:28:27,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:28:27,358 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:28:27,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_02_bad.i [2022-11-25 22:28:30,548 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:28:30,972 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:28:30,973 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_02_bad.i [2022-11-25 22:28:30,995 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/data/874d5387c/668210e759354e22a3a15a43d0150292/FLAGc4cb6d55a [2022-11-25 22:28:31,016 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/data/874d5387c/668210e759354e22a3a15a43d0150292 [2022-11-25 22:28:31,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:28:31,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:28:31,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:28:31,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:28:31,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:28:31,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:28:31" (1/1) ... [2022-11-25 22:28:31,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338ae72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:31, skipping insertion in model container [2022-11-25 22:28:31,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:28:31" (1/1) ... [2022-11-25 22:28:31,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:28:31,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:28:31,542 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:28:32,186 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:28:32,192 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:28:32,194 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:28:32,196 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:28:32,197 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:28:32,755 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:28:32,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:28:32,771 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:28:32,796 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:28:32,842 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:28:32,844 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:28:32,845 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:28:32,847 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:28:32,848 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:28:32,861 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:28:32,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:28:33,143 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:28:33,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33 WrapperNode [2022-11-25 22:28:33,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:28:33,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:28:33,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:28:33,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:28:33,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,249 INFO L138 Inliner]: procedures = 937, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2022-11-25 22:28:33,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:28:33,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:28:33,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:28:33,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:28:33,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:28:33,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:28:33,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:28:33,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:28:33,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (1/1) ... [2022-11-25 22:28:33,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:28:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:28:33,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:28:33,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:28:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:28:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:28:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:28:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:28:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:28:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:28:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:28:33,498 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:28:33,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:28:33,653 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:28:33,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:28:33,692 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 22:28:33,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:28:33 BoogieIcfgContainer [2022-11-25 22:28:33,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:28:33,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:28:33,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:28:33,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:28:33,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:28:31" (1/3) ... [2022-11-25 22:28:33,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5fadb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:28:33, skipping insertion in model container [2022-11-25 22:28:33,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:33" (2/3) ... [2022-11-25 22:28:33,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5fadb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:28:33, skipping insertion in model container [2022-11-25 22:28:33,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:28:33" (3/3) ... [2022-11-25 22:28:33,704 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_02_bad.i [2022-11-25 22:28:33,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:28:33,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:28:33,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:28:33,775 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;@7efba600, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:28:33,775 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:28:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 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) [2022-11-25 22:28:33,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 22:28:33,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:28:33,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 22:28:33,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:28:33,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:28:33,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2095953080, now seen corresponding path program 1 times [2022-11-25 22:28:33,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:28:33,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088090553] [2022-11-25 22:28:33,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:28:33,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:28:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:28:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:28:33,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:28:33,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088090553] [2022-11-25 22:28:33,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088090553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:28:33,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:28:33,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 22:28:33,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581529550] [2022-11-25 22:28:33,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:28:33,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:28:33,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:28:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:28:34,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:28:34,049 INFO L87 Difference]: Start difference. First operand has 13 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-25 22:28:34,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:28:34,087 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-25 22:28:34,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:28:34,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 6 [2022-11-25 22:28:34,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:28:34,094 INFO L225 Difference]: With dead ends: 19 [2022-11-25 22:28:34,095 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 22:28:34,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:28:34,101 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:28:34,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:28:34,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 22:28:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 22:28:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2022-11-25 22:28:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 22:28:34,132 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 22:28:34,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:28:34,133 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 22:28:34,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-25 22:28:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 22:28:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:28:34,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:28:34,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:28:34,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:28:34,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:28:34,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:28:34,135 INFO L85 PathProgramCache]: Analyzing trace with hash 550036094, now seen corresponding path program 1 times [2022-11-25 22:28:34,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:28:34,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553475834] [2022-11-25 22:28:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:28:34,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:28:34,161 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:28:34,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1337687502] [2022-11-25 22:28:34,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:28:34,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:28:34,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:28:34,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:28:34,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:28:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:28:34,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:28:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:28:34,336 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:28:34,337 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:28:34,338 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:28:34,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:28:34,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:28:34,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:28:34,545 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:28:34,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:28:34,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:28:34 BoogieIcfgContainer [2022-11-25 22:28:34,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:28:34,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:28:34,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:28:34,575 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:28:34,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:28:33" (3/4) ... [2022-11-25 22:28:34,578 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 22:28:34,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:28:34,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:28:34,629 INFO L158 Benchmark]: Toolchain (without parser) took 3606.82ms. Allocated memory is still 190.8MB. Free memory was 140.3MB in the beginning and 94.1MB in the end (delta: 46.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-11-25 22:28:34,629 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:28:34,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2121.75ms. Allocated memory is still 190.8MB. Free memory was 140.3MB in the beginning and 146.6MB in the end (delta: -6.3MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2022-11-25 22:28:34,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.68ms. Allocated memory is still 190.8MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:28:34,630 INFO L158 Benchmark]: Boogie Preprocessor took 36.95ms. Allocated memory is still 190.8MB. Free memory was 143.4MB in the beginning and 142.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:28:34,631 INFO L158 Benchmark]: RCFGBuilder took 407.12ms. Allocated memory is still 190.8MB. Free memory was 142.4MB in the beginning and 128.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 22:28:34,631 INFO L158 Benchmark]: TraceAbstraction took 876.70ms. Allocated memory is still 190.8MB. Free memory was 127.7MB in the beginning and 96.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 22:28:34,631 INFO L158 Benchmark]: Witness Printer took 53.71ms. Allocated memory is still 190.8MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:28:34,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2121.75ms. Allocated memory is still 190.8MB. Free memory was 140.3MB in the beginning and 146.6MB in the end (delta: -6.3MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.68ms. Allocated memory is still 190.8MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.95ms. Allocated memory is still 190.8MB. Free memory was 143.4MB in the beginning and 142.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.12ms. Allocated memory is still 190.8MB. Free memory was 142.4MB in the beginning and 128.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 876.70ms. Allocated memory is still 190.8MB. Free memory was 127.7MB in the beginning and 96.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 53.71ms. Allocated memory is still 190.8MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). 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: 1843]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1851] 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) [L1851] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_max_square_02_bad() [L1834] int data; [L1835] data = 0 [L1838] data = 0x7fffffff VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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! [2022-11-25 22:28:34,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b104e-2022-4e8c-a512-21b770c1d585/bin/utaipan-ByfvJB40ur/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)