./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e --- 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 [2022-11-26 00:33:16,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:33:16,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:33:16,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:33:16,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:33:16,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:33:16,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:33:16,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:33:16,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:33:16,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:33:16,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:33:16,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:33:16,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:33:16,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:33:16,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:33:16,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:33:16,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:33:16,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:33:16,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:33:16,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:33:16,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:33:16,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:33:16,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:33:16,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:33:16,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:33:16,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:33:16,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:33:16,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:33:16,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:33:16,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:33:16,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:33:16,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:33:16,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:33:16,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:33:16,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:33:16,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:33:16,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:33:16,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:33:16,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:33:16,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:33:16,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:33:16,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:33:17,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:33:17,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:33:17,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:33:17,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:33:17,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:33:17,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:33:17,003 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:33:17,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:33:17,003 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:33:17,003 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:33:17,004 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:33:17,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:33:17,005 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:33:17,005 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:33:17,005 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:33:17,005 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:33:17,005 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:33:17,006 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:33:17,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:33:17,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:33:17,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:33:17,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:33:17,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:33:17,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:33:17,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:33:17,008 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:33:17,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:33:17,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:33:17,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:33:17,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:33:17,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:33:17,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:33:17,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:33:17,010 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:33:17,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:33:17,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:33:17,010 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:33:17,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:33:17,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:33:17,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:33:17,011 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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e [2022-11-26 00:33:17,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:33:17,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:33:17,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:33:17,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:33:17,327 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:33:17,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-11-26 00:33:20,432 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:33:20,843 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:33:20,844 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-11-26 00:33:20,878 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data/b69cf7b6a/95c8d4b660f246cb80eda90dd11a4f9b/FLAG28cc5e6ef [2022-11-26 00:33:20,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data/b69cf7b6a/95c8d4b660f246cb80eda90dd11a4f9b [2022-11-26 00:33:20,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:33:20,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:33:20,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:20,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:33:20,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:33:20,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:20" (1/1) ... [2022-11-26 00:33:20,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300db310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:20, skipping insertion in model container [2022-11-26 00:33:20,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:20" (1/1) ... [2022-11-26 00:33:20,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:33:21,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:33:21,536 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:33:22,070 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:33:22,076 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:22,080 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:22,090 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:22,092 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:22,595 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:33:22,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:33:22,613 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:33:22,647 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:33:22,691 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:33:22,692 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:22,693 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:22,696 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:22,697 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:22,711 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:33:22,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:33:23,121 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:33:23,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23 WrapperNode [2022-11-26 00:33:23,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:23,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:33:23,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:33:23,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:33:23,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,196 INFO L138 Inliner]: procedures = 937, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-26 00:33:23,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:33:23,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:33:23,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:33:23,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:33:23,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,222 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:33:23,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:33:23,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:33:23,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:33:23,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (1/1) ... [2022-11-26 00:33:23,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:33:23,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:33:23,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:33:23,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:33:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:33:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:33:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:33:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:33:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:33:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:33:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:33:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:33:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:33:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:33:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:33:23,473 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:33:23,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:33:23,714 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:33:23,860 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:33:23,861 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:33:23,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:33:23 BoogieIcfgContainer [2022-11-26 00:33:23,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:33:23,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:33:23,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:33:23,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:33:23,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:33:20" (1/3) ... [2022-11-26 00:33:23,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621ba17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:33:23, skipping insertion in model container [2022-11-26 00:33:23,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:23" (2/3) ... [2022-11-26 00:33:23,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621ba17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:33:23, skipping insertion in model container [2022-11-26 00:33:23,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:33:23" (3/3) ... [2022-11-26 00:33:23,881 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-11-26 00:33:23,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:33:23,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:33:23,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:33:23,949 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;@77af6f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:33:23,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:33:23,954 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) [2022-11-26 00:33:23,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:33:23,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:33:23,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:33:23,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:33:23,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:33:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2064490869, now seen corresponding path program 1 times [2022-11-26 00:33:23,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:33:23,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71985483] [2022-11-26 00:33:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:33:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:33:24,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:33:24,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71985483] [2022-11-26 00:33:24,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71985483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:33:24,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:33:24,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:33:24,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115724253] [2022-11-26 00:33:24,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:33:24,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:33:24,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:33:24,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:33:24,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:33:24,307 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:24,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:33:24,341 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-26 00:33:24,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:33:24,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-26 00:33:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:33:24,361 INFO L225 Difference]: With dead ends: 12 [2022-11-26 00:33:24,361 INFO L226 Difference]: Without dead ends: 8 [2022-11-26 00:33:24,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:33:24,368 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:33:24,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:33:24,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-26 00:33:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-26 00:33:24,401 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) [2022-11-26 00:33:24,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-26 00:33:24,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-26 00:33:24,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:33:24,403 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-26 00:33:24,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:24,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-26 00:33:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:33:24,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:33:24,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:33:24,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:33:24,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:33:24,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:33:24,407 INFO L85 PathProgramCache]: Analyzing trace with hash -425292448, now seen corresponding path program 1 times [2022-11-26 00:33:24,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:33:24,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369228171] [2022-11-26 00:33:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:24,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:33:24,475 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:33:24,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1285288635] [2022-11-26 00:33:24,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:24,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:24,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:33:24,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:33:24,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:33:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:33:24,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:33:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:33:24,737 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:33:24,738 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:33:24,740 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 00:33:24,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 00:33:24,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:33:24,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 00:33:24,952 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 00:33:24,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:33:24,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:33:24 BoogieIcfgContainer [2022-11-26 00:33:24,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:33:24,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:33:24,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:33:24,981 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:33:24,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:33:23" (3/4) ... [2022-11-26 00:33:24,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:33:24,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:33:24,986 INFO L158 Benchmark]: Toolchain (without parser) took 4084.82ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 58.7MB in the end (delta: 10.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-11-26 00:33:24,986 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:33:24,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2218.28ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 63.7MB in the end (delta: 5.1MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-11-26 00:33:24,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.28ms. Allocated memory is still 151.0MB. Free memory was 63.7MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:33:24,988 INFO L158 Benchmark]: Boogie Preprocessor took 35.06ms. Allocated memory is still 151.0MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:33:24,989 INFO L158 Benchmark]: RCFGBuilder took 633.95ms. Allocated memory is still 151.0MB. Free memory was 58.5MB in the beginning and 100.6MB in the end (delta: -42.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-11-26 00:33:24,990 INFO L158 Benchmark]: TraceAbstraction took 1110.71ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 59.7MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-26 00:33:24,990 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 151.0MB. Free memory was 59.7MB in the beginning and 58.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:33:24,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2218.28ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 63.7MB in the end (delta: 5.1MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.28ms. Allocated memory is still 151.0MB. Free memory was 63.7MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.06ms. Allocated memory is still 151.0MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.95ms. Allocated memory is still 151.0MB. Free memory was 58.5MB in the beginning and 100.6MB in the end (delta: -42.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1110.71ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 59.7MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 151.0MB. Free memory was 59.7MB in the beginning and 58.7MB in the end (delta: 1.0MB). There was no memory consumed. 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: 1847]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1842, overapproximation of bitwiseAnd at line 1842. 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); [L1855] 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) [L1855] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, 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] [L1856] CALL CWE190_Integer_Overflow__int_rand_square_34_bad() [L1839] int data; [L1840] CWE190_Integer_Overflow__int_rand_square_34_unionType myUnion; [L1841] data = 0 [L1842] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1842] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1842] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1843] myUnion.unionFirst = data [L1845] EXPR myUnion.unionSecond [L1845] int data = myUnion.unionSecond; [L1847] data * data VAL [data=-1032459, data=-1032459, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={4:0}] - UnprovableResult [Line: 1847]: 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: 1.0s, 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, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 00:33:25,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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 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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e --- 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 [2022-11-26 00:33:27,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:33:27,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:33:27,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:33:27,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:33:27,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:33:27,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:33:27,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:33:27,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:33:27,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:33:27,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:33:27,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:33:27,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:33:27,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:33:27,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:33:27,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:33:27,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:33:27,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:33:27,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:33:27,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:33:27,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:33:27,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:33:27,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:33:27,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:33:27,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:33:27,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:33:27,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:33:27,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:33:27,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:33:27,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:33:27,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:33:27,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:33:27,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:33:27,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:33:27,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:33:27,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:33:27,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:33:27,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:33:27,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:33:27,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:33:27,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:33:27,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:33:27,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:33:27,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:33:27,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:33:27,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:33:27,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:33:27,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:33:27,505 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:33:27,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:33:27,505 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:33:27,506 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:33:27,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:33:27,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:33:27,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:33:27,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:33:27,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:33:27,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:33:27,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:33:27,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:33:27,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:33:27,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:33:27,510 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:33:27,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:33:27,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:33:27,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:33:27,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:33:27,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:33:27,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:33:27,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:33:27,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:33:27,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:33:27,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:33:27,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:33:27,513 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:33:27,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:33:27,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:33:27,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:33:27,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:33:27,514 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_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e [2022-11-26 00:33:27,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:33:27,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:33:27,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:33:27,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:33:27,892 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:33:27,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-11-26 00:33:30,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:33:31,413 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:33:31,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-11-26 00:33:31,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data/060e66383/eeb33de5b1674376bb49834d227c5743/FLAGa33df5e46 [2022-11-26 00:33:31,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/data/060e66383/eeb33de5b1674376bb49834d227c5743 [2022-11-26 00:33:31,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:33:31,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:33:31,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:31,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:33:31,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:33:31,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:31" (1/1) ... [2022-11-26 00:33:31,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9b82cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:31, skipping insertion in model container [2022-11-26 00:33:31,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:33:31" (1/1) ... [2022-11-26 00:33:31,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:33:31,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:33:32,078 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:33:32,926 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:33:32,933 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:32,934 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:32,937 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:32,938 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:33,676 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:33:33,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:33:33,704 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:33:33,722 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:33:33,769 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:33:33,771 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:33,772 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:33:33,781 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:33,782 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:33:33,802 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:33:33,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:33:34,209 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:33:34,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34 WrapperNode [2022-11-26 00:33:34,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:33:34,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:33:34,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:33:34,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:33:34,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,279 INFO L138 Inliner]: procedures = 942, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-26 00:33:34,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:33:34,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:33:34,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:33:34,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:33:34,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:33:34,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:33:34,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:33:34,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:33:34,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (1/1) ... [2022-11-26 00:33:34,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:33:34,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:33:34,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:33:34,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:33:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:33:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:33:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:33:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:33:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:33:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:33:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:33:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:33:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:33:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:33:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:33:34,590 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:33:34,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:33:36,603 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:33:36,609 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:33:36,610 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:33:36,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:33:36 BoogieIcfgContainer [2022-11-26 00:33:36,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:33:36,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:33:36,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:33:36,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:33:36,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:33:31" (1/3) ... [2022-11-26 00:33:36,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dae38d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:33:36, skipping insertion in model container [2022-11-26 00:33:36,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:33:34" (2/3) ... [2022-11-26 00:33:36,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dae38d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:33:36, skipping insertion in model container [2022-11-26 00:33:36,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:33:36" (3/3) ... [2022-11-26 00:33:36,634 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-11-26 00:33:36,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:33:36,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:33:36,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:33:36,716 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;@2d86e6ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:33:36,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:33:36,720 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) [2022-11-26 00:33:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:33:36,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:33:36,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:33:36,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:33:36,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:33:36,732 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-11-26 00:33:36,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:33:36,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120374911] [2022-11-26 00:33:36,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:36,745 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 [2022-11-26 00:33:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:33:36,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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) [2022-11-26 00:33:36,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9e0a90-8e43-478d-8e4c-15abec1dd60d/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