./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_63_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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 9af34d74a34a875c6a8ca4d8be32156ba28bd2dde2e41a0d1737608dec55cfe1 --- 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 16:34:27,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:34:27,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:34:27,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:34:27,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:34:27,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:34:27,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:34:27,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:34:27,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:34:27,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:34:27,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:34:27,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:34:27,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:34:27,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:34:27,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:34:27,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:34:27,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:34:27,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:34:27,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:34:27,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:34:27,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:34:27,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:34:27,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:34:27,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:34:27,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:34:27,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:34:27,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:34:27,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:34:27,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:34:27,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:34:27,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:34:27,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:34:27,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:34:27,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:34:27,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:34:27,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:34:27,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:34:27,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:34:27,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:34:27,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:34:27,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:34:27,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:34:27,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:34:27,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:34:27,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:34:27,557 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:34:27,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:34:27,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:34:27,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:34:27,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:34:27,558 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:34:27,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:34:27,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:34:27,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:34:27,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:34:27,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:34:27,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:34:27,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:34:27,569 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:34:27,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:34:27,569 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:34:27,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:34:27,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:34:27,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:34:27,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:34:27,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:34:27,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:34:27,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:34:27,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:34:27,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:34:27,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:34:27,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:34:27,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:34:27,571 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:34:27,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:34:27,571 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:34:27,571 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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af34d74a34a875c6a8ca4d8be32156ba28bd2dde2e41a0d1737608dec55cfe1 [2022-12-13 16:34:27,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:34:27,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:34:27,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:34:27,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:34:27,750 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:34:27,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_63_bad.i [2022-12-13 16:34:30,286 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:34:30,525 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:34:30,526 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_63_bad.i [2022-12-13 16:34:30,544 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data/6f1862260/a2d9e123828242ffa2db52fc348c5a48/FLAG36534b70c [2022-12-13 16:34:30,865 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data/6f1862260/a2d9e123828242ffa2db52fc348c5a48 [2022-12-13 16:34:30,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:34:30,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:34:30,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:34:30,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:34:30,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:34:30,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:34:30" (1/1) ... [2022-12-13 16:34:30,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fe2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:30, skipping insertion in model container [2022-12-13 16:34:30,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:34:30" (1/1) ... [2022-12-13 16:34:30,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:34:30,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:34:31,161 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:34:31,487 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:34:31,491 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:31,493 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:31,494 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:31,495 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:31,511 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:34:31,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:34:31,521 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:34:31,533 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:34:31,571 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:34:31,573 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:31,574 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:31,576 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:31,576 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:31,581 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:34:31,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:34:31,708 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:34:31,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31 WrapperNode [2022-12-13 16:34:31,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:34:31,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:34:31,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:34:31,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:34:31,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,746 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-12-13 16:34:31,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:34:31,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:34:31,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:34:31,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:34:31,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,763 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:34:31,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:34:31,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:34:31,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:34:31,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (1/1) ... [2022-12-13 16:34:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:34:31,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:34:31,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:34:31,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:34:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:34:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:34:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:34:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:34:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:34:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:34:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:34:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:34:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:34:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:34:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:34:31,925 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:34:31,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:34:32,041 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:34:32,046 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:34:32,046 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:34:32,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:34:32 BoogieIcfgContainer [2022-12-13 16:34:32,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:34:32,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:34:32,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:34:32,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:34:32,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:34:30" (1/3) ... [2022-12-13 16:34:32,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b306b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:34:32, skipping insertion in model container [2022-12-13 16:34:32,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:31" (2/3) ... [2022-12-13 16:34:32,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b306b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:34:32, skipping insertion in model container [2022-12-13 16:34:32,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:34:32" (3/3) ... [2022-12-13 16:34:32,055 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_63_bad.i [2022-12-13 16:34:32,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:34:32,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:34:32,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:34:32,112 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;@567624af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:34:32,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:34:32,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 16:34:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:34:32,121 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:34:32,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:34:32,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:34:32,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:34:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 16:34:32,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:34:32,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066639070] [2022-12-13 16:34:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:34:32,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:34:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:34:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:34:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:34:32,522 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 16:34:32,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:34:32,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066639070] [2022-12-13 16:34:32,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066639070] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:34:32,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:34:32,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:34:32,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448798354] [2022-12-13 16:34:32,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:34:32,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:34:32,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:34:32,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:34:32,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:34:32,562 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:34:32,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:34:32,586 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 16:34:32,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:34:32,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 16:34:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:34:32,595 INFO L225 Difference]: With dead ends: 22 [2022-12-13 16:34:32,595 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:34:32,599 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 16:34:32,602 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:34:32,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:34:32,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:34:32,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:34:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:34:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:34:32,632 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:34:32,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:34:32,632 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:34:32,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:34:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:34:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:34:32,633 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:34:32,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:34:32,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:34:32,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:34:32,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:34:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 16:34:32,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:34:32,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830383933] [2022-12-13 16:34:32,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:34:32,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:34:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:34:32,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:34:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:34:32,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:34:32,724 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:34:32,726 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:34:32,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:34:32,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:34:32,732 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:34:32,735 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:34:32,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:34:32 BoogieIcfgContainer [2022-12-13 16:34:32,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:34:32,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:34:32,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:34:32,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:34:32,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:34:32" (3/4) ... [2022-12-13 16:34:32,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:34:32,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:34:32,764 INFO L158 Benchmark]: Toolchain (without parser) took 1894.80ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 104.2MB in the beginning and 136.5MB in the end (delta: -32.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 16:34:32,765 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 111.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:34:32,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.36ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 103.8MB in the beginning and 151.4MB in the end (delta: -47.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-12-13 16:34:32,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.40ms. Allocated memory is still 192.9MB. Free memory was 151.4MB in the beginning and 148.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:34:32,767 INFO L158 Benchmark]: Boogie Preprocessor took 18.60ms. Allocated memory is still 192.9MB. Free memory was 147.2MB in the beginning and 146.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:34:32,767 INFO L158 Benchmark]: RCFGBuilder took 281.61ms. Allocated memory is still 192.9MB. Free memory was 146.2MB in the beginning and 131.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:34:32,767 INFO L158 Benchmark]: TraceAbstraction took 709.56ms. Allocated memory is still 192.9MB. Free memory was 131.3MB in the beginning and 137.5MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:34:32,768 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:34:32,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 111.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.36ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 103.8MB in the beginning and 151.4MB in the end (delta: -47.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.40ms. Allocated memory is still 192.9MB. Free memory was 151.4MB in the beginning and 148.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.60ms. Allocated memory is still 192.9MB. Free memory was 147.2MB in the beginning and 146.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.61ms. Allocated memory is still 192.9MB. Free memory was 146.2MB in the beginning and 131.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 709.56ms. Allocated memory is still 192.9MB. Free memory was 131.3MB in the beginning and 137.5MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 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)=2147483652, argc=2147483652, argv={2147483650:2147483653}, argv={2147483650:2147483653}, 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_postinc_63_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={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1, rand()=1, rand()=0, 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_postinc_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data++ VAL [data=2147483647, data++=2147483647, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 4 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=22occurred 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, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 16:34:32,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 9af34d74a34a875c6a8ca4d8be32156ba28bd2dde2e41a0d1737608dec55cfe1 --- 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 16:34:34,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:34:34,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:34:34,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:34:34,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:34:34,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:34:34,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:34:34,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:34:34,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:34:34,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:34:34,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:34:34,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:34:34,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:34:34,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:34:34,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:34:34,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:34:34,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:34:34,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:34:34,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:34:34,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:34:34,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:34:34,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:34:34,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:34:34,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:34:34,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:34:34,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:34:34,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:34:34,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:34:34,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:34:34,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:34:34,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:34:34,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:34:34,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:34:34,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:34:34,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:34:34,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:34:34,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:34:34,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:34:34,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:34:34,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:34:34,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:34:34,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:34:34,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:34:34,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:34:34,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:34:34,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:34:34,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:34:34,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:34:34,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:34:34,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:34:34,509 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:34:34,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:34:34,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:34:34,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:34:34,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:34:34,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:34:34,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:34:34,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:34:34,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:34:34,510 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:34:34,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:34:34,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:34:34,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:34:34,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:34:34,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:34:34,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:34:34,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:34:34,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:34:34,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:34:34,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:34:34,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:34:34,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:34:34,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:34:34,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:34:34,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:34:34,520 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:34:34,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:34:34,520 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:34:34,521 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:34:34,521 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_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af34d74a34a875c6a8ca4d8be32156ba28bd2dde2e41a0d1737608dec55cfe1 [2022-12-13 16:34:34,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:34:34,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:34:34,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:34:34,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:34:34,770 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:34:34,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_63_bad.i [2022-12-13 16:34:37,249 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:34:37,533 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:34:37,534 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_63_bad.i [2022-12-13 16:34:37,554 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data/a212a3ad0/52b8a55a70e54d73b2a6e469fb4886eb/FLAG64dff2358 [2022-12-13 16:34:37,810 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/data/a212a3ad0/52b8a55a70e54d73b2a6e469fb4886eb [2022-12-13 16:34:37,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:34:37,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:34:37,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:34:37,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:34:37,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:34:37,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:34:37" (1/1) ... [2022-12-13 16:34:37,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ef0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:37, skipping insertion in model container [2022-12-13 16:34:37,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:34:37" (1/1) ... [2022-12-13 16:34:37,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:34:37,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:34:38,121 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:34:38,493 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:34:38,497 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:38,498 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:38,500 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:38,501 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:38,519 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:34:38,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:34:38,534 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:34:38,551 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:34:38,601 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:34:38,603 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:38,604 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:34:38,607 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:38,607 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:34:38,612 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:34:38,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:34:38,704 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:34:38,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38 WrapperNode [2022-12-13 16:34:38,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:34:38,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:34:38,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:34:38,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:34:38,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,758 INFO L138 Inliner]: procedures = 505, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-12-13 16:34:38,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:34:38,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:34:38,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:34:38,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:34:38,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:34:38,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:34:38,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:34:38,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:34:38,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (1/1) ... [2022-12-13 16:34:38,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:34:38,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:34:38,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:34:38,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:34:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:34:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:34:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:34:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:34:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:34:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:34:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:34:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 16:34:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:34:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 16:34:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:34:38,970 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:34:38,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:34:39,101 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:34:39,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:34:39,107 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:34:39,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:34:39 BoogieIcfgContainer [2022-12-13 16:34:39,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:34:39,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:34:39,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:34:39,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:34:39,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:34:37" (1/3) ... [2022-12-13 16:34:39,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6d1dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:34:39, skipping insertion in model container [2022-12-13 16:34:39,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:34:38" (2/3) ... [2022-12-13 16:34:39,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6d1dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:34:39, skipping insertion in model container [2022-12-13 16:34:39,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:34:39" (3/3) ... [2022-12-13 16:34:39,116 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_63_bad.i [2022-12-13 16:34:39,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:34:39,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:34:39,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:34:39,177 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;@387a6fba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:34:39,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:34:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 16:34:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:34:39,187 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:34:39,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:34:39,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:34:39,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:34:39,192 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 16:34:39,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:34:39,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727570006] [2022-12-13 16:34:39,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:34:39,203 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 16:34:39,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:34:39,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:39,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:34:39,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:34:39,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:34:39,342 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 16:34:39,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:34:39,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:34:39,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727570006] [2022-12-13 16:34:39,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727570006] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:34:39,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:34:39,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:34:39,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384699062] [2022-12-13 16:34:39,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:34:39,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:34:39,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:34:39,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:34:39,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:34:39,377 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:34:39,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:34:39,390 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 16:34:39,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:34:39,391 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 16:34:39,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:34:39,396 INFO L225 Difference]: With dead ends: 22 [2022-12-13 16:34:39,396 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:34:39,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:34:39,400 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:34:39,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:34:39,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:34:39,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:34:39,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:34:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:34:39,423 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:34:39,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:34:39,424 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:34:39,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:34:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:34:39,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:34:39,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:34:39,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:34:39,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:39,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:39,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:34:39,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:34:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 16:34:39,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:34:39,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306567750] [2022-12-13 16:34:39,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:34:39,631 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 16:34:39,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:34:39,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:39,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:34:39,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:34:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:34:39,889 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:34:39,889 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:34:39,890 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:34:39,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:34:39,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:40,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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 16:34:40,103 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:34:40,115 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:34:40,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:34:40 BoogieIcfgContainer [2022-12-13 16:34:40,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:34:40,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:34:40,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:34:40,182 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:34:40,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:34:39" (3/4) ... [2022-12-13 16:34:40,188 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:34:40,244 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:34:40,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:34:40,245 INFO L158 Benchmark]: Toolchain (without parser) took 2432.67ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 53.7MB in the beginning and 37.8MB in the end (delta: 15.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-12-13 16:34:40,245 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:34:40,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.44ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 53.5MB in the beginning and 67.3MB in the end (delta: -13.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-12-13 16:34:40,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.41ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 64.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:34:40,246 INFO L158 Benchmark]: Boogie Preprocessor took 31.48ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 62.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:34:40,247 INFO L158 Benchmark]: RCFGBuilder took 318.17ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 48.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:34:40,247 INFO L158 Benchmark]: TraceAbstraction took 1068.73ms. Allocated memory is still 96.5MB. Free memory was 47.3MB in the beginning and 39.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-12-13 16:34:40,247 INFO L158 Benchmark]: Witness Printer took 63.15ms. Allocated memory is still 96.5MB. Free memory was 39.9MB in the beginning and 37.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:34:40,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.44ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 53.5MB in the beginning and 67.3MB in the end (delta: -13.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.41ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 64.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.48ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 62.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.17ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 48.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1068.73ms. Allocated memory is still 96.5MB. Free memory was 47.3MB in the beginning and 39.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 63.15ms. Allocated memory is still 96.5MB. Free memory was 39.9MB in the beginning and 37.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1568]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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_postinc_63_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={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=2, rand()=0, rand()=0, rand()=0, 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_postinc_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data++ VAL [data=2147483647, data++=2147483647, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:34:40,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546fbdc3-4df7-42f7-81c8-6453b83fc1d6/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)