./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 51dd00cf81d0f55d6304b4cbfd386673ca7ca569cbeb9878c9ad9b88410ba4ae --- 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 23:33:46,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:33:46,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:33:46,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:33:46,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:33:46,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:33:46,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:33:46,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:33:46,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:33:46,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:33:46,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:33:46,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:33:46,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:33:46,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:33:46,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:33:46,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:33:46,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:33:46,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:33:46,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:33:46,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:33:46,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:33:46,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:33:46,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:33:46,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:33:46,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:33:46,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:33:46,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:33:46,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:33:46,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:33:46,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:33:46,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:33:46,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:33:46,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:33:46,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:33:46,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:33:46,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:33:46,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:33:46,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:33:46,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:33:46,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:33:46,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:33:46,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:33:46,186 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:33:46,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:33:46,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:33:46,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:33:46,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:33:46,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:33:46,188 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:33:46,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:33:46,189 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:33:46,189 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:33:46,189 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:33:46,190 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:33:46,190 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:33:46,190 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:33:46,190 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:33:46,191 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:33:46,191 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:33:46,191 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:33:46,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:33:46,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:33:46,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:33:46,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:33:46,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:33:46,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:33:46,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:33:46,193 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:33:46,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:33:46,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:33:46,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:33:46,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:33:46,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:33:46,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:46,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:33:46,195 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:33:46,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:33:46,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:33:46,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:33:46,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:33:46,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:33:46,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:33:46,196 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_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51dd00cf81d0f55d6304b4cbfd386673ca7ca569cbeb9878c9ad9b88410ba4ae [2022-11-25 23:33:46,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:33:46,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:33:46,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:33:46,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:33:46,454 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:33:46,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_65_bad.i [2022-11-25 23:33:49,525 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:33:49,929 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:33:49,935 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_65_bad.i [2022-11-25 23:33:49,965 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data/6c64081d4/8de8913399bc4f149f3c6f22d1d59b4a/FLAG6b6bce724 [2022-11-25 23:33:49,984 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data/6c64081d4/8de8913399bc4f149f3c6f22d1d59b4a [2022-11-25 23:33:49,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:33:49,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:33:49,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:49,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:33:50,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:33:50,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:49" (1/1) ... [2022-11-25 23:33:50,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aac31bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:50, skipping insertion in model container [2022-11-25 23:33:50,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:49" (1/1) ... [2022-11-25 23:33:50,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:33:50,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:33:50,463 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:33:50,973 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:33:50,979 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:33:50,981 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:33:50,984 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:33:50,985 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:33:51,014 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:33:51,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:33:51,029 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:33:51,049 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:33:51,123 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:33:51,128 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:33:51,131 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:33:51,141 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:33:51,144 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:33:51,150 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:33:51,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:33:51,331 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:33:51,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51 WrapperNode [2022-11-25 23:33:51,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:51,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:33:51,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:33:51,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:33:51,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,403 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2022-11-25 23:33:51,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:33:51,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:33:51,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:33:51,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:33:51,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:33:51,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:33:51,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:33:51,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:33:51,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (1/1) ... [2022-11-25 23:33:51,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:51,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:33:51,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:33:51,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:33:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:33:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:33:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:33:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:33:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:33:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:33:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:33:51,717 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:33:51,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:33:51,931 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:33:52,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:33:52,007 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:33:52,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:33:52 BoogieIcfgContainer [2022-11-25 23:33:52,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:33:52,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:33:52,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:33:52,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:33:52,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:33:49" (1/3) ... [2022-11-25 23:33:52,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45eecf65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:33:52, skipping insertion in model container [2022-11-25 23:33:52,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:51" (2/3) ... [2022-11-25 23:33:52,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45eecf65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:33:52, skipping insertion in model container [2022-11-25 23:33:52,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:33:52" (3/3) ... [2022-11-25 23:33:52,019 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_65_bad.i [2022-11-25 23:33:52,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:33:52,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:33:52,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:33:52,093 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;@3f4019d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:33:52,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:33:52,097 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 23:33:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:33:52,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:52,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:33:52,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:33:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2112082963, now seen corresponding path program 1 times [2022-11-25 23:33:52,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:52,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286474119] [2022-11-25 23:33:52,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:52,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:52,676 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 23:33:52,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:52,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286474119] [2022-11-25 23:33:52,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286474119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:33:52,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:33:52,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:33:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295808197] [2022-11-25 23:33:52,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:33:52,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:33:52,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:52,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:33:52,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:33:52,718 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 23:33:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:33:52,757 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 23:33:52,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:33:52,759 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 23:33:52,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:33:52,767 INFO L225 Difference]: With dead ends: 12 [2022-11-25 23:33:52,767 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 23:33:52,770 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 23:33:52,773 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:33:52,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:33:52,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 23:33:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 23:33:52,808 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 23:33:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 23:33:52,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 23:33:52,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:33:52,810 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 23:33:52,811 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 23:33:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 23:33:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:33:52,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:52,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:33:52,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:33:52,812 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:33:52,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:52,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1050062360, now seen corresponding path program 1 times [2022-11-25 23:33:52,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:52,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734081159] [2022-11-25 23:33:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:52,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:33:52,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:33:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:33:52,935 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:33:52,935 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:33:52,937 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:33:52,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:33:52,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:33:52,944 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:33:52,948 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:33:52,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:33:52 BoogieIcfgContainer [2022-11-25 23:33:52,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:33:52,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:33:52,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:33:52,987 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:33:52,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:33:52" (3/4) ... [2022-11-25 23:33:52,992 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:33:52,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:33:52,995 INFO L158 Benchmark]: Toolchain (without parser) took 3002.83ms. Allocated memory is still 188.7MB. Free memory was 145.4MB in the beginning and 130.7MB in the end (delta: 14.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-25 23:33:52,995 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 65.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:33:52,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1336.12ms. Allocated memory is still 188.7MB. Free memory was 144.9MB in the beginning and 137.4MB in the end (delta: 7.5MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2022-11-25 23:33:52,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.91ms. Allocated memory is still 188.7MB. Free memory was 137.4MB in the beginning and 134.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:33:52,996 INFO L158 Benchmark]: Boogie Preprocessor took 26.53ms. Allocated memory is still 188.7MB. Free memory was 134.6MB in the beginning and 133.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:33:52,996 INFO L158 Benchmark]: RCFGBuilder took 572.25ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 113.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 23:33:52,997 INFO L158 Benchmark]: TraceAbstraction took 970.67ms. Allocated memory is still 188.7MB. Free memory was 112.3MB in the beginning and 131.7MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:33:52,997 INFO L158 Benchmark]: Witness Printer took 9.67ms. Allocated memory is still 188.7MB. Free memory was 131.7MB in the beginning and 130.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:33:53,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 65.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1336.12ms. Allocated memory is still 188.7MB. Free memory was 144.9MB in the beginning and 137.4MB in the end (delta: 7.5MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.91ms. Allocated memory is still 188.7MB. Free memory was 137.4MB in the beginning and 134.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.53ms. Allocated memory is still 188.7MB. Free memory was 134.6MB in the beginning and 133.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.25ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 113.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 970.67ms. Allocated memory is still 188.7MB. Free memory was 112.3MB in the beginning and 131.7MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.67ms. Allocated memory is still 188.7MB. Free memory was 131.7MB in the beginning and 130.7MB 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE190_Integer_Overflow__int_rand_preinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_preinc_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] ++data VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 9 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, 0.4s 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 23:33:53,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 51dd00cf81d0f55d6304b4cbfd386673ca7ca569cbeb9878c9ad9b88410ba4ae --- 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 23:33:55,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:33:55,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:33:55,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:33:55,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:33:55,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:33:55,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:33:55,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:33:55,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:33:55,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:33:55,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:33:55,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:33:55,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:33:55,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:33:55,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:33:55,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:33:55,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:33:55,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:33:55,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:33:55,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:33:55,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:33:55,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:33:55,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:33:55,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:33:55,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:33:55,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:33:55,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:33:55,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:33:55,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:33:55,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:33:55,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:33:55,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:33:55,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:33:55,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:33:55,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:33:55,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:33:55,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:33:55,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:33:55,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:33:55,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:33:55,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:33:55,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:33:55,697 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:33:55,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:33:55,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:33:55,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:33:55,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:33:55,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:33:55,701 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:33:55,701 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:33:55,701 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:33:55,702 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:33:55,703 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:33:55,703 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:33:55,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:33:55,704 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:33:55,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:33:55,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:33:55,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:33:55,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:33:55,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:33:55,706 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:33:55,706 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:33:55,706 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:33:55,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:33:55,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:33:55,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:33:55,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:33:55,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:33:55,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:33:55,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:55,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:33:55,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:33:55,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:33:55,710 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:33:55,710 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:33:55,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:33:55,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:33:55,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:33:55,711 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_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51dd00cf81d0f55d6304b4cbfd386673ca7ca569cbeb9878c9ad9b88410ba4ae [2022-11-25 23:33:56,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:33:56,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:33:56,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:33:56,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:33:56,107 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:33:56,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_65_bad.i [2022-11-25 23:33:59,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:33:59,426 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:33:59,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_65_bad.i [2022-11-25 23:33:59,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data/a71d51132/79742733cb834019ba33c4c229fef29d/FLAG141ec2be7 [2022-11-25 23:33:59,467 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/data/a71d51132/79742733cb834019ba33c4c229fef29d [2022-11-25 23:33:59,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:33:59,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:33:59,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:59,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:33:59,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:33:59,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:59" (1/1) ... [2022-11-25 23:33:59,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7e1d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:59, skipping insertion in model container [2022-11-25 23:33:59,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:59" (1/1) ... [2022-11-25 23:33:59,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:33:59,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:33:59,951 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:34:00,406 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:34:00,413 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:34:00,416 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:34:00,427 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:34:00,428 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:34:00,453 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:34:00,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:34:00,473 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:34:00,511 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:34:00,584 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:34:00,586 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:34:00,587 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:34:00,589 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:34:00,589 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:34:00,594 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:34:00,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:34:00,736 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:34:00,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00 WrapperNode [2022-11-25 23:34:00,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:34:00,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:34:00,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:34:00,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:34:00,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,795 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2022-11-25 23:34:00,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:34:00,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:34:00,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:34:00,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:34:00,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:34:00,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:34:00,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:34:00,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:34:00,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (1/1) ... [2022-11-25 23:34:00,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:34:00,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:34:00,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:34:00,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:34:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:34:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:34:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:34:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:34:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:34:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:34:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:34:01,110 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:34:01,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:34:01,336 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:34:01,342 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:34:01,342 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:34:01,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:34:01 BoogieIcfgContainer [2022-11-25 23:34:01,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:34:01,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:34:01,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:34:01,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:34:01,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:33:59" (1/3) ... [2022-11-25 23:34:01,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f607471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:34:01, skipping insertion in model container [2022-11-25 23:34:01,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:00" (2/3) ... [2022-11-25 23:34:01,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f607471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:34:01, skipping insertion in model container [2022-11-25 23:34:01,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:34:01" (3/3) ... [2022-11-25 23:34:01,358 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_65_bad.i [2022-11-25 23:34:01,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:34:01,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:34:01,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:34:01,461 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;@4cb37369, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:34:01,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:34:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 23:34:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:34:01,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:01,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:01,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:34:01,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:01,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-11-25 23:34:01,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:34:01,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042056121] [2022-11-25 23:34:01,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:01,501 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 23:34:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:34:01,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 23:34:01,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 23:34:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:01,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 23:34:01,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:34:01,713 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 23:34:01,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:34:01,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:34:01,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042056121] [2022-11-25 23:34:01,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042056121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:01,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:01,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:34:01,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796867877] [2022-11-25 23:34:01,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:01,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:34:01,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:34:01,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:34:01,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:34:01,772 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 23:34:01,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:01,796 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-25 23:34:01,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:34:01,798 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 23:34:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:01,806 INFO L225 Difference]: With dead ends: 23 [2022-11-25 23:34:01,806 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 23:34:01,809 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 23:34:01,814 INFO L413 NwaCegarLoop]: 24 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, 24 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 23:34:01,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:34:01,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 23:34:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 23:34:01,849 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 23:34:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 23:34:01,852 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 23:34:01,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:01,853 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 23:34:01,853 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 23:34:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 23:34:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:34:01,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:01,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:01,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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)] Ended with exit code 0 [2022-11-25 23:34:02,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 23:34:02,073 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:34:02,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:02,074 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-11-25 23:34:02,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:34:02,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327717329] [2022-11-25 23:34:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:02,075 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 23:34:02,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:34:02,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 23:34:02,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 23:34:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:34:02,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:34:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:34:02,247 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 23:34:02,247 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:34:02,249 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:34:02,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:34:02,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 23:34:02,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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 23:34:02,455 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:34:02,460 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:34:02,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:34:02 BoogieIcfgContainer [2022-11-25 23:34:02,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:34:02,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:34:02,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:34:02,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:34:02,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:34:01" (3/4) ... [2022-11-25 23:34:02,505 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 23:34:02,554 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:34:02,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:34:02,555 INFO L158 Benchmark]: Toolchain (without parser) took 3083.46ms. Allocated memory was 65.0MB in the beginning and 115.3MB in the end (delta: 50.3MB). Free memory was 30.6MB in the beginning and 85.0MB in the end (delta: -54.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 23:34:02,555 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:34:02,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1265.08ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 30.4MB in the beginning and 59.7MB in the end (delta: -29.3MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-25 23:34:02,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.74ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 56.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:34:02,557 INFO L158 Benchmark]: Boogie Preprocessor took 32.33ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 54.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:34:02,558 INFO L158 Benchmark]: RCFGBuilder took 514.39ms. Allocated memory is still 94.4MB. Free memory was 54.5MB in the beginning and 40.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 23:34:02,558 INFO L158 Benchmark]: TraceAbstraction took 1140.08ms. Allocated memory is still 94.4MB. Free memory was 40.4MB in the beginning and 38.1MB in the end (delta: 2.3MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-11-25 23:34:02,559 INFO L158 Benchmark]: Witness Printer took 67.35ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 38.1MB in the beginning and 85.0MB in the end (delta: -46.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-11-25 23:34:02,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1265.08ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 30.4MB in the beginning and 59.7MB in the end (delta: -29.3MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.74ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 56.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.33ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 54.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.39ms. Allocated memory is still 94.4MB. Free memory was 54.5MB in the beginning and 40.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1140.08ms. Allocated memory is still 94.4MB. Free memory was 40.4MB in the beginning and 38.1MB in the end (delta: 2.3MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 67.35ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 38.1MB in the beginning and 85.0MB in the end (delta: -46.9MB). Peak memory consumption was 2.8MB. 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: 1568]: 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] [L1560] 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) [L1560] 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] [L1561] CALL CWE190_Integer_Overflow__int_rand_preinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_preinc_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=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()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] ++data VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 23 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, 24 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, 24 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=23occurred 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 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 23:34:02,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd77f98b-00f0-4bcc-8d8e-baeaa39bc256/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)