./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f --- 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-2329fc7 [2022-12-13 16:01:18,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:01:18,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:01:18,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:01:18,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:01:18,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:01:18,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:01:18,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:01:18,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:01:18,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:01:18,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:01:18,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:01:18,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:01:18,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:01:18,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:01:18,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:01:18,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:01:18,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:01:18,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:01:18,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:01:18,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:01:18,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:01:18,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:01:18,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:01:18,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:01:18,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:01:18,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:01:18,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:01:18,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:01:18,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:01:18,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:01:18,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:01:18,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:01:18,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:01:18,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:01:18,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:01:18,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:01:18,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:01:18,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:01:18,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:01:18,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:01:18,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:01:18,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:01:18,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:01:18,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:01:18,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:01:18,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:01:18,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:01:18,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:01:18,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:01:18,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:01:18,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:01:18,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:01:18,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:01:18,438 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f [2022-12-13 16:01:18,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:01:18,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:01:18,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:01:18,620 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:01:18,620 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:01:18,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-12-13 16:01:21,188 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:01:21,449 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:01:21,450 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-12-13 16:01:21,466 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data/abb38b3bd/b24c387015ad4caa963ed42b28654005/FLAGf0b69da12 [2022-12-13 16:01:21,480 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data/abb38b3bd/b24c387015ad4caa963ed42b28654005 [2022-12-13 16:01:21,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:01:21,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:01:21,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:01:21,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:01:21,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:01:21,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:01:21" (1/1) ... [2022-12-13 16:01:21,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49146a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:21, skipping insertion in model container [2022-12-13 16:01:21,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:01:21" (1/1) ... [2022-12-13 16:01:21,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:01:21,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:01:21,806 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:01:22,110 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:01:22,115 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:22,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:22,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:22,120 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:22,141 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:01:22,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:01:22,157 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:01:22,176 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:01:22,211 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:01:22,213 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:22,213 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:22,215 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:22,216 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:22,219 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:01:22,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:01:22,325 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:01:22,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22 WrapperNode [2022-12-13 16:01:22,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:01:22,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:01:22,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:01:22,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:01:22,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,386 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2022-12-13 16:01:22,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:01:22,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:01:22,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:01:22,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:01:22,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:01:22,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:01:22,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:01:22,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:01:22,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (1/1) ... [2022-12-13 16:01:22,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:01:22,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:01:22,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:01:22,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:01:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:01:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:01:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:01:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:01:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:01:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:01:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:01:22,597 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:01:22,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:01:22,731 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:01:22,736 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:01:22,736 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:01:22,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:01:22 BoogieIcfgContainer [2022-12-13 16:01:22,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:01:22,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:01:22,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:01:22,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:01:22,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:01:21" (1/3) ... [2022-12-13 16:01:22,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edd46b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:01:22, skipping insertion in model container [2022-12-13 16:01:22,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:22" (2/3) ... [2022-12-13 16:01:22,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edd46b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:01:22, skipping insertion in model container [2022-12-13 16:01:22,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:01:22" (3/3) ... [2022-12-13 16:01:22,745 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-12-13 16:01:22,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:01:22,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:01:22,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:01:22,810 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=PETRI_NET, 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;@6c2d057d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:01:22,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:01:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 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) [2022-12-13 16:01:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:01:22,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:01:22,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:01:22,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:01:22,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:01:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash -586839655, now seen corresponding path program 1 times [2022-12-13 16:01:22,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:01:22,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094808783] [2022-12-13 16:01:22,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:01:22,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:01:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:01:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:01:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:01:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:01:23,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:01:23,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094808783] [2022-12-13 16:01:23,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094808783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:01:23,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:01:23,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:01:23,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873983116] [2022-12-13 16:01:23,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:01:23,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:01:23,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:01:23,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:01:23,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:01:23,104 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 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 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-13 16:01:23,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:01:23,136 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-12-13 16:01:23,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:01:23,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-12-13 16:01:23,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:01:23,146 INFO L225 Difference]: With dead ends: 36 [2022-12-13 16:01:23,146 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 16:01:23,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:01:23,152 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:01:23,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 57 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:01:23,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 16:01:23,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 16:01:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-12-13 16:01:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 16:01:23,188 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 16:01:23,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:01:23,189 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 16:01:23,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-13 16:01:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 16:01:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 16:01:23,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:01:23,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:01:23,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:01:23,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:01:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:01:23,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160065, now seen corresponding path program 1 times [2022-12-13 16:01:23,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:01:23,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869070548] [2022-12-13 16:01:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:01:23,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:01:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:01:23,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:01:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:01:23,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:01:23,286 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:01:23,288 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:01:23,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:01:23,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:01:23,293 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:01:23,297 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:01:23,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:01:23 BoogieIcfgContainer [2022-12-13 16:01:23,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:01:23,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:01:23,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:01:23,320 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:01:23,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:01:22" (3/4) ... [2022-12-13 16:01:23,323 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:01:23,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:01:23,324 INFO L158 Benchmark]: Toolchain (without parser) took 1840.52ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 111.3MB in the beginning and 145.2MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:01:23,325 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:01:23,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.72ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 110.8MB in the beginning and 126.5MB in the end (delta: -15.7MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-12-13 16:01:23,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.38ms. Allocated memory is still 184.5MB. Free memory was 126.5MB in the beginning and 123.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:01:23,326 INFO L158 Benchmark]: Boogie Preprocessor took 30.51ms. Allocated memory is still 184.5MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:01:23,326 INFO L158 Benchmark]: RCFGBuilder took 319.76ms. Allocated memory is still 184.5MB. Free memory was 121.3MB in the beginning and 107.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:01:23,327 INFO L158 Benchmark]: TraceAbstraction took 579.42ms. Allocated memory is still 184.5MB. Free memory was 106.6MB in the beginning and 145.2MB in the end (delta: -38.6MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-12-13 16:01:23,327 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 184.5MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:01:23,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.72ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 110.8MB in the beginning and 126.5MB in the end (delta: -15.7MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.38ms. Allocated memory is still 184.5MB. Free memory was 126.5MB in the beginning and 123.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.51ms. Allocated memory is still 184.5MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.76ms. Allocated memory is still 184.5MB. Free memory was 121.3MB in the beginning and 107.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 579.42ms. Allocated memory is still 184.5MB. Free memory was 106.6MB in the beginning and 145.2MB in the end (delta: -38.6MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 184.5MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483651, argc=2147483651, argv={2147483649:2147483652}, argv={2147483649:2147483652}, 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 CWE190_Integer_Overflow__int_rand_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [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()=1, rand()=65536, rand()=2147483647, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data > 0 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] [L1583] data * 2 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: 1583]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 35 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2022-12-13 16:01:23,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f --- 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-2329fc7 [2022-12-13 16:01:25,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:01:25,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:01:25,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:01:25,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:01:25,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:01:25,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:01:25,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:01:25,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:01:25,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:01:25,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:01:25,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:01:25,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:01:25,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:01:25,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:01:25,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:01:25,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:01:25,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:01:25,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:01:25,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:01:25,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:01:25,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:01:25,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:01:25,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:01:25,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:01:25,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:01:25,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:01:25,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:01:25,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:01:25,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:01:25,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:01:25,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:01:25,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:01:25,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:01:25,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:01:25,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:01:25,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:01:25,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:01:25,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:01:25,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:01:25,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:01:25,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:01:25,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:01:25,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:01:25,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:01:25,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:01:25,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:01:25,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:01:25,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:01:25,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:01:25,119 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:01:25,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:01:25,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:01:25,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:01:25,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:01:25,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:01:25,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:01:25,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:01:25,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:01:25,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:01:25,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:01:25,122 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:01:25,123 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:01:25,123 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f [2022-12-13 16:01:25,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:01:25,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:01:25,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:01:25,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:01:25,366 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:01:25,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-12-13 16:01:27,979 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:01:28,205 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:01:28,206 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-12-13 16:01:28,219 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data/bbcc39f2a/32717c3de35042ca82e8493599aa0cc0/FLAGe68fcf338 [2022-12-13 16:01:28,232 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/data/bbcc39f2a/32717c3de35042ca82e8493599aa0cc0 [2022-12-13 16:01:28,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:01:28,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:01:28,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:01:28,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:01:28,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:01:28,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:01:28" (1/1) ... [2022-12-13 16:01:28,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5526e52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:28, skipping insertion in model container [2022-12-13 16:01:28,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:01:28" (1/1) ... [2022-12-13 16:01:28,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:01:28,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:01:28,557 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:01:28,917 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:01:28,922 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:28,923 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:28,925 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:28,926 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:28,945 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:01:28,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:01:28,960 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:01:28,973 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:01:29,024 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:01:29,026 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:29,027 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:01:29,029 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:29,029 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:01:29,034 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:01:29,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:01:29,150 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:01:29,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29 WrapperNode [2022-12-13 16:01:29,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:01:29,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:01:29,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:01:29,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:01:29,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,196 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2022-12-13 16:01:29,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:01:29,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:01:29,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:01:29,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:01:29,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,217 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:01:29,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:01:29,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:01:29,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:01:29,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (1/1) ... [2022-12-13 16:01:29,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:01:29,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:01:29,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:01:29,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:01:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:01:29,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:01:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:01:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:01:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:01:29,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:01:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:01:29,388 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:01:29,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:01:29,498 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:01:29,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:01:29,504 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:01:29,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:01:29 BoogieIcfgContainer [2022-12-13 16:01:29,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:01:29,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:01:29,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:01:29,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:01:29,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:01:28" (1/3) ... [2022-12-13 16:01:29,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af9dd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:01:29, skipping insertion in model container [2022-12-13 16:01:29,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:01:29" (2/3) ... [2022-12-13 16:01:29,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af9dd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:01:29, skipping insertion in model container [2022-12-13 16:01:29,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:01:29" (3/3) ... [2022-12-13 16:01:29,517 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-12-13 16:01:29,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:01:29,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:01:29,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:01:29,571 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=PETRI_NET, 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;@3c722c1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:01:29,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:01:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 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) [2022-12-13 16:01:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:01:29,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:01:29,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:01:29,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:01:29,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:01:29,584 INFO L85 PathProgramCache]: Analyzing trace with hash -586839655, now seen corresponding path program 1 times [2022-12-13 16:01:29,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:01:29,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53600265] [2022-12-13 16:01:29,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:01:29,593 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 [2022-12-13 16:01:29,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:01:29,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:01:29,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:01:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:01:29,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:01:29,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:01:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:01:29,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:01:29,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:01:29,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53600265] [2022-12-13 16:01:29,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53600265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:01:29,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:01:29,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:01:29,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777376371] [2022-12-13 16:01:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:01:29,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:01:29,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:01:29,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:01:29,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:01:29,777 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 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 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-13 16:01:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:01:29,805 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-12-13 16:01:29,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:01:29,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-12-13 16:01:29,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:01:29,813 INFO L225 Difference]: With dead ends: 36 [2022-12-13 16:01:29,814 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 16:01:29,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:01:29,819 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:01:29,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:01:29,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 16:01:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 16:01:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-12-13 16:01:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 16:01:29,856 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 16:01:29,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:01:29,857 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 16:01:29,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-13 16:01:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 16:01:29,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 16:01:29,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:01:29,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:01:29,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:01:30,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:01:30,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:01:30,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:01:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160065, now seen corresponding path program 1 times [2022-12-13 16:01:30,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:01:30,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481397699] [2022-12-13 16:01:30,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:01:30,066 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 [2022-12-13 16:01:30,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:01:30,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:01:30,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:01:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:01:30,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:01:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:01:30,300 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:01:30,301 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:01:30,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:01:30,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:01:30,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 16:01:30,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:01:30,517 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:01:30,527 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:01:30,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:01:30 BoogieIcfgContainer [2022-12-13 16:01:30,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:01:30,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:01:30,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:01:30,565 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:01:30,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:01:29" (3/4) ... [2022-12-13 16:01:30,566 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:01:30,593 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:01:30,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:01:30,594 INFO L158 Benchmark]: Toolchain (without parser) took 2359.16ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 30.2MB in the end (delta: 16.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-12-13 16:01:30,594 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:01:30,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.80ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 28.1MB in the end (delta: 18.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-12-13 16:01:30,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.59ms. Allocated memory is still 71.3MB. Free memory was 28.1MB in the beginning and 43.8MB in the end (delta: -15.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:01:30,595 INFO L158 Benchmark]: Boogie Preprocessor took 24.59ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:01:30,595 INFO L158 Benchmark]: RCFGBuilder took 283.80ms. Allocated memory is still 71.3MB. Free memory was 41.6MB in the beginning and 28.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:01:30,595 INFO L158 Benchmark]: TraceAbstraction took 1056.27ms. Allocated memory is still 71.3MB. Free memory was 27.7MB in the beginning and 32.4MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:01:30,596 INFO L158 Benchmark]: Witness Printer took 29.00ms. Allocated memory is still 71.3MB. Free memory was 32.4MB in the beginning and 30.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:01:30,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.80ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 28.1MB in the end (delta: 18.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.59ms. Allocated memory is still 71.3MB. Free memory was 28.1MB in the beginning and 43.8MB in the end (delta: -15.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.59ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.80ms. Allocated memory is still 71.3MB. Free memory was 41.6MB in the beginning and 28.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1056.27ms. Allocated memory is still 71.3MB. Free memory was 27.7MB in the beginning and 32.4MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.00ms. Allocated memory is still 71.3MB. Free memory was 32.4MB in the beginning and 30.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1583]: 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [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] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data > 0 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] [L1583] data * 2 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: 1583]: 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, 26 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 32 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 2 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! [2022-12-13 16:01:30,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db83d59-4efc-450f-853f-58ed38c9a170/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)