./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:37:53,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:37:53,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:37:53,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:37:53,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:37:53,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:37:53,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:37:53,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:37:53,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:37:53,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:37:53,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:37:53,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:37:53,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:37:53,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:37:53,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:37:53,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:37:53,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:37:53,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:37:53,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:37:53,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:37:53,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:37:53,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:37:53,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:37:53,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:37:53,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:37:53,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:37:53,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:37:53,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:37:53,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:37:53,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:37:53,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:37:53,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:37:53,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:37:53,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:37:53,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:37:53,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:37:53,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:37:53,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:37:53,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:37:53,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:37:53,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:37:53,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:37:53,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:37:53,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:37:53,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:37:53,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:37:53,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:37:53,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:37:53,629 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:37:53,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:37:53,630 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:37:53,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:37:53,631 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:37:53,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:37:53,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:37:53,632 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:37:53,632 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:37:53,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:37:53,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:37:53,632 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:37:53,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:37:53,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:37:53,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:37:53,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:37:53,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:37:53,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:37:53,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:37:53,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:37:53,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:37:53,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:37:53,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:37:53,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:37:53,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:37:53,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:37:53,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:37:53,643 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:37:53,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:37:53,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:37:53,644 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:37:53,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:37:53,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:37:53,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:37:53,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 [2022-11-25 22:37:53,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:37:53,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:37:53,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:37:53,941 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:37:53,942 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:37:53,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2022-11-25 22:37:57,039 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:37:57,441 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:37:57,443 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2022-11-25 22:37:57,475 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data/2d22aad51/a87b25c5f9194029b60f7b67c48ec520/FLAG7f172265f [2022-11-25 22:37:57,491 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data/2d22aad51/a87b25c5f9194029b60f7b67c48ec520 [2022-11-25 22:37:57,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:37:57,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:37:57,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:37:57,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:37:57,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:37:57,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:37:57" (1/1) ... [2022-11-25 22:37:57,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297f06eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:57, skipping insertion in model container [2022-11-25 22:37:57,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:37:57" (1/1) ... [2022-11-25 22:37:57,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:37:57,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:37:57,950 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:37:58,443 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:37:58,449 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:37:58,451 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:37:58,454 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:37:58,455 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:37:58,486 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:37:58,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:37:58,500 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:37:58,521 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:37:58,591 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:37:58,592 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:37:58,593 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:37:58,595 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:37:58,596 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:37:58,606 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:37:58,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:37:58,777 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:37:58,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58 WrapperNode [2022-11-25 22:37:58,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:37:58,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:37:58,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:37:58,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:37:58,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,869 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2022-11-25 22:37:58,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:37:58,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:37:58,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:37:58,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:37:58,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:37:58,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:37:58,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:37:58,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:37:58,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (1/1) ... [2022-11-25 22:37:58,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:37:58,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:37:58,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:37:58,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:37:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:37:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:37:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:37:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:37:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:37:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:37:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:37:59,209 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:37:59,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:37:59,371 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:37:59,453 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:37:59,453 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:37:59,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:59 BoogieIcfgContainer [2022-11-25 22:37:59,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:37:59,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:37:59,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:37:59,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:37:59,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:37:57" (1/3) ... [2022-11-25 22:37:59,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759d8cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:59, skipping insertion in model container [2022-11-25 22:37:59,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:58" (2/3) ... [2022-11-25 22:37:59,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759d8cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:59, skipping insertion in model container [2022-11-25 22:37:59,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:59" (3/3) ... [2022-11-25 22:37:59,465 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2022-11-25 22:37:59,485 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:37:59,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:37:59,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:37:59,541 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d539aaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:37:59,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:37:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:37:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 22:37:59,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:59,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 22:37:59,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:37:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:59,560 INFO L85 PathProgramCache]: Analyzing trace with hash -2112082963, now seen corresponding path program 1 times [2022-11-25 22:37:59,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:59,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088195491] [2022-11-25 22:37:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:59,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:00,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:38:00,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:00,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088195491] [2022-11-25 22:38:00,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088195491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:00,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:00,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:38:00,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474480688] [2022-11-25 22:38:00,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:00,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:00,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:00,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:00,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:00,261 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:00,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:00,316 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 22:38:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:38:00,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-25 22:38:00,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:00,326 INFO L225 Difference]: With dead ends: 12 [2022-11-25 22:38:00,326 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 22:38:00,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:00,335 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:00,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:38:00,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 22:38:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 22:38:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 22:38:00,377 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 22:38:00,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:00,377 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 22:38:00,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 22:38:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:38:00,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:00,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:00,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:38:00,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:38:00,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:00,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1050062360, now seen corresponding path program 1 times [2022-11-25 22:38:00,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:00,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584754078] [2022-11-25 22:38:00,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:00,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:38:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:00,544 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:38:00,546 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:38:00,548 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:38:00,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:38:00,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:38:00,555 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:38:00,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:38:00,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:38:00 BoogieIcfgContainer [2022-11-25 22:38:00,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:38:00,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:38:00,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:38:00,604 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:38:00,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:59" (3/4) ... [2022-11-25 22:38:00,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:38:00,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:38:00,610 INFO L158 Benchmark]: Toolchain (without parser) took 3111.24ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 79.3MB in the end (delta: 15.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:00,610 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:00,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1276.29ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 94.0MB in the end (delta: 430.0kB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2022-11-25 22:38:00,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.25ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 90.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:00,617 INFO L158 Benchmark]: Boogie Preprocessor took 54.22ms. Allocated memory is still 148.9MB. Free memory was 90.7MB in the beginning and 89.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:00,624 INFO L158 Benchmark]: RCFGBuilder took 530.72ms. Allocated memory is still 148.9MB. Free memory was 89.2MB in the beginning and 69.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:38:00,625 INFO L158 Benchmark]: TraceAbstraction took 1141.59ms. Allocated memory is still 148.9MB. Free memory was 69.1MB in the beginning and 79.6MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:00,626 INFO L158 Benchmark]: Witness Printer took 9.05ms. Allocated memory is still 148.9MB. Free memory was 79.6MB in the beginning and 79.3MB in the end (delta: 281.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:00,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1276.29ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 94.0MB in the end (delta: 430.0kB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.25ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 90.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.22ms. Allocated memory is still 148.9MB. Free memory was 90.7MB in the beginning and 89.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.72ms. Allocated memory is still 148.9MB. Free memory was 89.2MB in the beginning and 69.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1141.59ms. Allocated memory is still 148.9MB. Free memory was 69.1MB in the beginning and 79.6MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.05ms. Allocated memory is still 148.9MB. Free memory was 79.6MB in the beginning and 79.3MB in the end (delta: 281.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE190_Integer_Overflow__int_rand_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_postinc_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 22:38:00,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:38:03,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:38:03,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:38:03,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:38:03,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:38:03,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:38:03,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:38:03,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:38:03,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:38:03,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:38:03,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:38:03,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:38:03,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:38:03,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:38:03,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:38:03,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:38:03,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:38:03,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:38:03,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:38:03,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:38:03,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:38:03,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:38:03,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:38:03,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:38:03,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:38:03,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:38:03,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:38:03,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:38:03,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:38:03,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:38:03,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:38:03,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:38:03,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:38:03,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:38:03,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:38:03,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:38:03,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:38:03,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:38:03,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:38:03,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:38:03,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:38:03,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:38:03,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:38:03,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:38:03,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:38:03,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:38:03,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:38:03,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:38:03,333 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:38:03,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:38:03,334 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:38:03,334 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:38:03,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:38:03,335 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:38:03,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:38:03,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:38:03,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:38:03,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:38:03,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:38:03,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:38:03,338 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:38:03,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:38:03,339 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:38:03,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:38:03,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:38:03,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:38:03,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:38:03,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:38:03,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:38:03,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:38:03,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:03,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:38:03,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:38:03,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:38:03,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:38:03,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:38:03,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:38:03,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:38:03,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:38:03,344 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 [2022-11-25 22:38:03,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:38:03,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:38:03,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:38:03,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:38:03,772 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:38:03,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2022-11-25 22:38:07,076 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:38:07,437 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:38:07,437 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2022-11-25 22:38:07,455 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data/58d1c7b58/a341276b2cd849ad81b134656b997b04/FLAGce30d42d1 [2022-11-25 22:38:07,469 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/data/58d1c7b58/a341276b2cd849ad81b134656b997b04 [2022-11-25 22:38:07,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:38:07,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:38:07,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:07,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:38:07,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:38:07,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:07" (1/1) ... [2022-11-25 22:38:07,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6988360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:07, skipping insertion in model container [2022-11-25 22:38:07,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:07" (1/1) ... [2022-11-25 22:38:07,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:38:07,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:38:07,951 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:38:08,530 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:38:08,536 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:08,540 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:08,544 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:08,545 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:08,575 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:38:08,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:08,607 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:38:08,648 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:38:08,728 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:38:08,730 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:08,731 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:08,742 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:08,751 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:08,757 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:38:08,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:08,937 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:38:08,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08 WrapperNode [2022-11-25 22:38:08,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:08,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:08,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:38:08,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:38:08,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:08,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:08,991 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2022-11-25 22:38:08,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:08,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:38:08,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:38:08,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:38:09,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:38:09,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:38:09,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:38:09,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:38:09,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (1/1) ... [2022-11-25 22:38:09,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:09,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:38:09,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:38:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:38:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:38:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:38:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:38:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:38:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:38:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:38:09,326 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:38:09,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:38:09,548 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:38:09,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:38:09,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:38:09,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:09 BoogieIcfgContainer [2022-11-25 22:38:09,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:38:09,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:38:09,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:38:09,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:38:09,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:38:07" (1/3) ... [2022-11-25 22:38:09,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7912ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:09, skipping insertion in model container [2022-11-25 22:38:09,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:08" (2/3) ... [2022-11-25 22:38:09,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7912ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:09, skipping insertion in model container [2022-11-25 22:38:09,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:09" (3/3) ... [2022-11-25 22:38:09,582 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2022-11-25 22:38:09,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:38:09,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:38:09,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:38:09,700 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78dca490, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:38:09,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:38:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:38:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:38:09,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:09,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:09,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:38:09,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:09,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-11-25 22:38:09,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:38:09,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369753057] [2022-11-25 22:38:09,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:09,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:09,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:38:09,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 22:38:09,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 22:38:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:09,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 22:38:09,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:38:09,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:09,964 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:38:09,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369753057] [2022-11-25 22:38:09,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369753057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:09,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:09,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 22:38:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804855292] [2022-11-25 22:38:09,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:09,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:38:09,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:38:10,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:38:10,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:38:10,031 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:10,058 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-25 22:38:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:38:10,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 22:38:10,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:10,068 INFO L225 Difference]: With dead ends: 23 [2022-11-25 22:38:10,068 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 22:38:10,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:38:10,078 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:10,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:38:10,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 22:38:10,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 22:38:10,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:10,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 22:38:10,122 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 22:38:10,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:10,123 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 22:38:10,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 22:38:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:38:10,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:10,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:10,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:10,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:10,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:38:10,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:10,350 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-11-25 22:38:10,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:38:10,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038631675] [2022-11-25 22:38:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:10,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:10,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:38:10,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 22:38:10,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 22:38:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:10,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:38:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:10,531 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 22:38:10,531 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:38:10,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:38:10,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:38:10,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:10,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:10,748 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:38:10,753 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:38:10,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:38:10 BoogieIcfgContainer [2022-11-25 22:38:10,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:38:10,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:38:10,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:38:10,805 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:38:10,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:09" (3/4) ... [2022-11-25 22:38:10,808 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 22:38:10,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:38:10,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:38:10,852 INFO L158 Benchmark]: Toolchain (without parser) took 3379.41ms. Allocated memory was 62.9MB in the beginning and 109.1MB in the end (delta: 46.1MB). Free memory was 30.3MB in the beginning and 77.5MB in the end (delta: -47.2MB). Peak memory consumption was 976.8kB. Max. memory is 16.1GB. [2022-11-25 22:38:10,853 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:10,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1464.11ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 30.1MB in the beginning and 58.3MB in the end (delta: -28.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2022-11-25 22:38:10,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.88ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:38:10,855 INFO L158 Benchmark]: Boogie Preprocessor took 63.40ms. Allocated memory is still 90.2MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:10,856 INFO L158 Benchmark]: RCFGBuilder took 507.24ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 40.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:38:10,856 INFO L158 Benchmark]: TraceAbstraction took 1238.36ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 80.3MB in the end (delta: -41.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-25 22:38:10,857 INFO L158 Benchmark]: Witness Printer took 47.08ms. Allocated memory is still 109.1MB. Free memory was 80.3MB in the beginning and 77.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:10,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1464.11ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 30.1MB in the beginning and 58.3MB in the end (delta: -28.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.88ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.40ms. Allocated memory is still 90.2MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.24ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 40.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1238.36ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 80.3MB in the end (delta: -41.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Witness Printer took 47.08ms. Allocated memory is still 109.1MB. Free memory was 80.3MB in the beginning and 77.5MB in the end (delta: 2.8MB). 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] [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE190_Integer_Overflow__int_rand_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_postinc_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 22:38:10,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e925e15-1e2c-4cd4-92a8-5ea23f62ea85/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)