./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/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_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/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_cf98f118-2034-4870-9e40-09455ab3ea97/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 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd --- 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 23:49:15,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:49:15,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:49:15,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:49:15,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:49:15,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:49:15,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:49:15,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:49:15,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:49:15,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:49:15,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:49:15,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:49:15,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:49:15,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:49:15,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:49:16,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:49:16,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:49:16,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:49:16,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:49:16,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:49:16,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:49:16,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:49:16,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:49:16,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:49:16,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:49:16,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:49:16,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:49:16,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:49:16,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:49:16,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:49:16,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:49:16,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:49:16,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:49:16,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:49:16,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:49:16,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:49:16,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:49:16,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:49:16,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:49:16,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:49:16,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:49:16,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:49:16,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:49:16,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:49:16,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:49:16,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:49:16,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:49:16,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:49:16,092 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:49:16,092 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:49:16,092 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:49:16,093 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:49:16,093 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:49:16,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:49:16,093 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:49:16,094 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:49:16,094 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:49:16,094 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:49:16,095 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:49:16,095 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:49:16,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:49:16,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:49:16,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:49:16,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:49:16,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:49:16,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:49:16,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:49:16,097 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:49:16,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:49:16,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:49:16,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:49:16,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:49:16,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:49:16,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:49:16,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:49:16,101 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:49:16,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:49:16,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:49:16,103 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:49:16,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:49:16,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:49:16,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:49:16,104 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_cf98f118-2034-4870-9e40-09455ab3ea97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd [2022-11-25 23:49:16,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:49:16,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:49:16,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:49:16,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:49:16,447 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:49:16,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2022-11-25 23:49:20,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:49:20,869 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:49:20,870 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2022-11-25 23:49:20,902 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data/a7e52fbea/68b4aa0f090a405782217fe6b64fe32d/FLAG93a2b159c [2022-11-25 23:49:20,921 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data/a7e52fbea/68b4aa0f090a405782217fe6b64fe32d [2022-11-25 23:49:20,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:49:20,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:49:20,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:49:20,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:49:20,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:49:20,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:49:20" (1/1) ... [2022-11-25 23:49:20,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716bbc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:20, skipping insertion in model container [2022-11-25 23:49:20,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:49:20" (1/1) ... [2022-11-25 23:49:20,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:49:21,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:49:21,509 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:49:22,474 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:49:22,487 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:22,490 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:22,501 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:22,503 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:22,554 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:49:22,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:49:22,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:49:22,594 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:49:22,647 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:49:22,649 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:22,650 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:22,654 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:22,655 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:22,668 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:49:22,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:49:22,829 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:49:22,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22 WrapperNode [2022-11-25 23:49:22,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:49:22,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:49:22,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:49:22,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:49:22,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,921 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-11-25 23:49:22,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:49:22,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:49:22,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:49:22,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:49:22,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,971 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:22,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:49:22,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:49:22,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:49:22,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:49:22,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (1/1) ... [2022-11-25 23:49:23,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:49:23,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:49:23,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:49:23,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:49:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:49:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:49:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:49:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:49:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:49:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:49:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:49:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:49:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:49:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:49:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:49:23,327 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:49:23,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:49:23,681 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:49:23,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:49:23,802 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:49:23,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:23 BoogieIcfgContainer [2022-11-25 23:49:23,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:49:23,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:49:23,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:49:23,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:49:23,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:49:20" (1/3) ... [2022-11-25 23:49:23,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b66181d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:23, skipping insertion in model container [2022-11-25 23:49:23,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:22" (2/3) ... [2022-11-25 23:49:23,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b66181d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:23, skipping insertion in model container [2022-11-25 23:49:23,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:23" (3/3) ... [2022-11-25 23:49:23,817 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2022-11-25 23:49:23,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:49:23,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:49:23,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:49:23,922 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;@1d35a389, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:49:23,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:49:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 23:49:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:49:23,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:23,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:49:23,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:49:23,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2064490869, now seen corresponding path program 1 times [2022-11-25 23:49:23,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:23,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728910091] [2022-11-25 23:49:23,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:23,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:24,963 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 23:49:24,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:49:24,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728910091] [2022-11-25 23:49:24,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728910091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:24,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:24,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:49:24,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528038881] [2022-11-25 23:49:24,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:24,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:49:24,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:49:25,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:49:25,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:49:25,054 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 23:49:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:25,146 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 23:49:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:49:25,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 23:49:25,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:25,159 INFO L225 Difference]: With dead ends: 12 [2022-11-25 23:49:25,159 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 23:49:25,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:49:25,172 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:25,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:49:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 23:49:25,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 23:49:25,218 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 23:49:25,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 23:49:25,222 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 23:49:25,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:49:25,223 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 23:49:25,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 23:49:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 23:49:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:49:25,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:25,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:49:25,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:49:25,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:49:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:25,229 INFO L85 PathProgramCache]: Analyzing trace with hash -425292448, now seen corresponding path program 1 times [2022-11-25 23:49:25,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:25,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430504164] [2022-11-25 23:49:25,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:25,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:49:25,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:49:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:49:25,411 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:49:25,412 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:49:25,414 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:49:25,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:49:25,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:49:25,422 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:49:25,427 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:49:25,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:49:25 BoogieIcfgContainer [2022-11-25 23:49:25,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:49:25,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:49:25,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:49:25,460 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:49:25,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:23" (3/4) ... [2022-11-25 23:49:25,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:49:25,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:49:25,466 INFO L158 Benchmark]: Toolchain (without parser) took 4539.44ms. Allocated memory is still 203.4MB. Free memory was 165.7MB in the beginning and 73.9MB in the end (delta: 91.8MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2022-11-25 23:49:25,467 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:49:25,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1901.92ms. Allocated memory is still 203.4MB. Free memory was 165.7MB in the beginning and 104.4MB in the end (delta: 61.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-25 23:49:25,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.42ms. Allocated memory is still 203.4MB. Free memory was 104.4MB in the beginning and 101.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:49:25,469 INFO L158 Benchmark]: Boogie Preprocessor took 53.99ms. Allocated memory is still 203.4MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:49:25,470 INFO L158 Benchmark]: RCFGBuilder took 828.63ms. Allocated memory is still 203.4MB. Free memory was 99.5MB in the beginning and 152.6MB in the end (delta: -53.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-25 23:49:25,470 INFO L158 Benchmark]: TraceAbstraction took 1650.47ms. Allocated memory is still 203.4MB. Free memory was 152.6MB in the beginning and 75.0MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-11-25 23:49:25,471 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 203.4MB. Free memory was 75.0MB in the beginning and 73.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:49:25,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1901.92ms. Allocated memory is still 203.4MB. Free memory was 165.7MB in the beginning and 104.4MB in the end (delta: 61.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.42ms. Allocated memory is still 203.4MB. Free memory was 104.4MB in the beginning and 101.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.99ms. Allocated memory is still 203.4MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.63ms. Allocated memory is still 203.4MB. Free memory was 99.5MB in the beginning and 152.6MB in the end (delta: -53.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1650.47ms. Allocated memory is still 203.4MB. Free memory was 152.6MB in the beginning and 75.0MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 203.4MB. Free memory was 75.0MB in the beginning and 73.9MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. Possible 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=6442450945, argc=6442450945, argv={6442450947:6442450946}, argv={6442450947:6442450946}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data++ VAL [data=2147483647, data=2147483647, data={5:0}, data++=2147483647, dataPtr1={5:0}, dataPtr2={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] - UnprovableResult [Line: 1562]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 could not prove your program: unable to determine feasibility of some traces [2022-11-25 23:49:25,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/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_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/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 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd --- 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 23:49:28,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:49:28,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:49:28,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:49:28,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:49:28,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:49:28,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:49:28,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:49:28,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:49:28,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:49:28,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:49:28,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:49:28,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:49:28,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:49:28,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:49:28,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:49:28,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:49:28,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:49:28,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:49:28,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:49:28,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:49:28,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:49:28,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:49:28,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:49:28,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:49:28,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:49:28,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:49:28,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:49:28,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:49:28,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:49:28,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:49:28,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:49:28,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:49:28,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:49:28,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:49:28,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:49:28,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:49:28,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:49:28,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:49:28,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:49:28,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:49:28,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:49:28,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:49:28,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:49:28,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:49:28,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:49:28,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:49:28,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:49:28,910 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:49:28,911 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:49:28,911 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:49:28,911 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:49:28,913 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:49:28,913 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:49:28,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:49:28,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:49:28,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:49:28,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:49:28,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:49:28,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:49:28,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:49:28,916 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:49:28,917 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:49:28,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:49:28,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:49:28,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:49:28,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:49:28,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:49:28,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:49:28,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:49:28,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:49:28,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:49:28,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:49:28,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:49:28,921 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:49:28,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:49:28,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:49:28,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:49:28,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:49:28,922 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_cf98f118-2034-4870-9e40-09455ab3ea97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9761df3cf758ba074f263c0e0440575ec573b79e000cf8d64af77e3cca4fbd [2022-11-25 23:49:29,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:49:29,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:49:29,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:49:29,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:49:29,455 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:49:29,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2022-11-25 23:49:33,512 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:49:34,067 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:49:34,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2022-11-25 23:49:34,108 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data/4b96adbd0/572f7ce6920343f996a777f4668a7e7a/FLAG580c11884 [2022-11-25 23:49:34,136 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/data/4b96adbd0/572f7ce6920343f996a777f4668a7e7a [2022-11-25 23:49:34,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:49:34,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:49:34,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:49:34,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:49:34,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:49:34,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:49:34" (1/1) ... [2022-11-25 23:49:34,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbf21db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:34, skipping insertion in model container [2022-11-25 23:49:34,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:49:34" (1/1) ... [2022-11-25 23:49:34,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:49:34,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:49:34,691 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:49:35,494 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:49:35,502 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:35,507 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:35,512 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:35,513 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:35,552 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:49:35,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:49:35,578 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:49:35,620 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:49:35,689 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:49:35,691 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:35,692 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:49:35,695 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:35,696 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:49:35,715 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:49:35,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:49:35,961 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:49:35,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35 WrapperNode [2022-11-25 23:49:35,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:49:35,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:49:35,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:49:35,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:49:35,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,078 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-11-25 23:49:36,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:49:36,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:49:36,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:49:36,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:49:36,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:49:36,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:49:36,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:49:36,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:49:36,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (1/1) ... [2022-11-25 23:49:36,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:49:36,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:49:36,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:49:36,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:49:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:49:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:49:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:49:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:49:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:49:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:49:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:49:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 23:49:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:49:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 23:49:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:49:36,509 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:49:36,511 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:49:36,784 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:49:36,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:49:36,791 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:49:36,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:36 BoogieIcfgContainer [2022-11-25 23:49:36,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:49:36,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:49:36,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:49:36,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:49:36,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:49:34" (1/3) ... [2022-11-25 23:49:36,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74447608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:36, skipping insertion in model container [2022-11-25 23:49:36,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:35" (2/3) ... [2022-11-25 23:49:36,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74447608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:36, skipping insertion in model container [2022-11-25 23:49:36,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:36" (3/3) ... [2022-11-25 23:49:36,805 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_32_bad.i [2022-11-25 23:49:36,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:49:36,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:49:36,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:49:36,896 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;@372e4bd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:49:36,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:49:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 23:49:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:49:36,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:36,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:49:36,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:49:36,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:36,921 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-11-25 23:49:36,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:49:36,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412668690] [2022-11-25 23:49:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:36,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:49:36,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:49:36,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:49:37,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 23:49:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:37,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 23:49:37,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:49:37,263 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 23:49:37,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:49:37,265 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:49:37,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412668690] [2022-11-25 23:49:37,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412668690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:37,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:37,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:49:37,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392483559] [2022-11-25 23:49:37,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:37,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:49:37,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:49:37,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:49:37,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:49:37,319 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 23:49:37,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:37,353 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-25 23:49:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:49:37,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-11-25 23:49:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:37,363 INFO L225 Difference]: With dead ends: 21 [2022-11-25 23:49:37,363 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 23:49:37,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 23:49:37,370 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:37,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:49:37,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 23:49:37,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 23:49:37,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 23:49:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 23:49:37,426 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 23:49:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:49:37,426 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 23:49:37,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 23:49:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 23:49:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:49:37,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:37,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:49:37,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:49:37,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:49:37,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:49:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:37,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-11-25 23:49:37,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:49:37,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386835247] [2022-11-25 23:49:37,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:37,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:49:37,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:49:37,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:49:37,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 23:49:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:49:37,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:49:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:49:37,932 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 23:49:37,932 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:49:37,935 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:49:37,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:49:37,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:49:38,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:49:38,154 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:49:38,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:49:38,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:49:38 BoogieIcfgContainer [2022-11-25 23:49:38,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:49:38,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:49:38,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:49:38,227 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:49:38,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:36" (3/4) ... [2022-11-25 23:49:38,230 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 23:49:38,297 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:49:38,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:49:38,310 INFO L158 Benchmark]: Toolchain (without parser) took 4167.13ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.7MB in the beginning and 39.0MB in the end (delta: -9.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-25 23:49:38,310 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:49:38,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1817.05ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.5MB in the beginning and 46.0MB in the end (delta: -16.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-11-25 23:49:38,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.22ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 43.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:49:38,312 INFO L158 Benchmark]: Boogie Preprocessor took 78.94ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:49:38,313 INFO L158 Benchmark]: RCFGBuilder took 631.99ms. Allocated memory is still 81.8MB. Free memory was 40.5MB in the beginning and 50.4MB in the end (delta: -9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:49:38,314 INFO L158 Benchmark]: TraceAbstraction took 1428.97ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 41.6MB in the end (delta: 8.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-25 23:49:38,315 INFO L158 Benchmark]: Witness Printer took 82.56ms. Allocated memory is still 81.8MB. Free memory was 41.6MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:49:38,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1817.05ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.5MB in the beginning and 46.0MB in the end (delta: -16.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.22ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 43.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.94ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.99ms. Allocated memory is still 81.8MB. Free memory was 40.5MB in the beginning and 50.4MB in the end (delta: -9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1428.97ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 41.6MB in the end (delta: 8.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Witness Printer took 82.56ms. Allocated memory is still 81.8MB. Free memory was 41.6MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. 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: 1562]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={7:0}, data=0, dataPtr1={7:0}, dataPtr2={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=65536, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data++ VAL [data={7:0}, data=2147483647, data=2147483647, data++=2147483647, dataPtr1={7:0}, dataPtr2={7:0}, 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: 1562]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 1 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 23:49:38,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf98f118-2034-4870-9e40-09455ab3ea97/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)