./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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_a361ec86-d2f2-4510-aec7-525d535267d3/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 298ed0212adac1a28aa5d97b04d99f880b400538092a23c3e4a5eff970a06971 --- 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 22:22:17,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:22:17,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:22:17,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:22:17,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:22:17,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:22:17,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:22:17,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:22:17,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:22:17,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:22:17,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:22:17,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:22:17,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:22:17,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:22:17,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:22:17,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:22:17,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:22:17,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:22:17,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:22:17,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:22:17,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:22:17,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:22:17,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:22:17,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:22:17,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:22:17,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:22:17,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:22:17,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:22:17,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:22:17,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:22:17,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:22:17,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:22:17,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:22:17,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:22:17,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:22:17,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:22:17,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:22:17,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:22:17,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:22:17,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:22:17,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:22:17,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:22:17,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:22:17,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:22:17,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:22:17,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:22:17,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:22:17,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:22:17,610 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:22:17,610 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:22:17,610 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:22:17,610 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:22:17,611 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:22:17,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:22:17,612 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:22:17,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:22:17,612 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:22:17,612 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:22:17,612 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:22:17,613 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:22:17,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:22:17,613 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:22:17,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:22:17,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:22:17,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:22:17,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:22:17,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:22:17,614 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:22:17,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:22:17,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:22:17,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:22:17,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:22:17,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:22:17,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:22:17,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:22:17,616 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:22:17,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:22:17,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:22:17,617 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:22:17,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:22:17,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:22:17,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:22:17,618 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_a361ec86-d2f2-4510-aec7-525d535267d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 298ed0212adac1a28aa5d97b04d99f880b400538092a23c3e4a5eff970a06971 [2022-11-25 22:22:17,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:22:17,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:22:17,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:22:17,940 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:22:17,941 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:22:17,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_65_bad.i [2022-11-25 22:22:20,941 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:22:21,376 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:22:21,377 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_65_bad.i [2022-11-25 22:22:21,405 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data/968dc4e53/db285b8c530e4f5c9ffa8f61c3eb74f1/FLAGaa5bdcced [2022-11-25 22:22:21,430 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data/968dc4e53/db285b8c530e4f5c9ffa8f61c3eb74f1 [2022-11-25 22:22:21,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:22:21,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:22:21,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:22:21,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:22:21,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:22:21,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:22:21" (1/1) ... [2022-11-25 22:22:21,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebc0648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:21, skipping insertion in model container [2022-11-25 22:22:21,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:22:21" (1/1) ... [2022-11-25 22:22:21,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:22:21,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:22:21,967 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:22:22,529 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:22:22,540 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:22,544 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:22,554 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:22,557 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:22,597 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:22:22,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:22:22,622 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:22:22,656 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:22:22,739 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:22:22,742 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:22,744 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:22,750 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:22,751 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:22,761 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:22:22,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:22:22,913 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:22:22,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22 WrapperNode [2022-11-25 22:22:22,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:22:22,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:22:22,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:22:22,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:22:22,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:22,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:22,990 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-11-25 22:22:22,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:22:22,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:22:22,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:22:22,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:22:23,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:22:23,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:22:23,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:22:23,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:22:23,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (1/1) ... [2022-11-25 22:22:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:22:23,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:23,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:22:23,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:22:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:22:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:22:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:22:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:22:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:22:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:22:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:22:23,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:22:23,397 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:22:23,575 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:22:23,671 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:22:23,686 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:22:23,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:23 BoogieIcfgContainer [2022-11-25 22:22:23,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:22:23,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:22:23,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:22:23,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:22:23,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:22:21" (1/3) ... [2022-11-25 22:22:23,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e63c62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:22:23, skipping insertion in model container [2022-11-25 22:22:23,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:22" (2/3) ... [2022-11-25 22:22:23,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e63c62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:22:23, skipping insertion in model container [2022-11-25 22:22:23,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:23" (3/3) ... [2022-11-25 22:22:23,697 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_65_bad.i [2022-11-25 22:22:23,717 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:22:23,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:22:23,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:22:23,766 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;@59d210f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:22:23,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:22:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 22:22:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:22:23,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:23,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:23,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:22:23,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:23,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1648022262, now seen corresponding path program 1 times [2022-11-25 22:22:23,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:23,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846888915] [2022-11-25 22:22:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:24,156 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 22:22:24,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:24,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846888915] [2022-11-25 22:22:24,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846888915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:24,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:24,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:22:24,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403962555] [2022-11-25 22:22:24,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:24,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:22:24,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:24,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:22:24,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:22:24,226 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 2.5) internal successors, (5), 3 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 22:22:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:24,293 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-25 22:22:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:22:24,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) Word has length 7 [2022-11-25 22:22:24,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:24,303 INFO L225 Difference]: With dead ends: 18 [2022-11-25 22:22:24,303 INFO L226 Difference]: Without dead ends: 9 [2022-11-25 22:22:24,306 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 22:22:24,310 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:24,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:22:24,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-25 22:22:24,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-25 22:22:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 22:22:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-25 22:22:24,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-25 22:22:24,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:24,347 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-25 22:22:24,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 22:22:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-25 22:22:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:22:24,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:24,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:24,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:22:24,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:22:24,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:24,351 INFO L85 PathProgramCache]: Analyzing trace with hash 450917486, now seen corresponding path program 1 times [2022-11-25 22:22:24,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:24,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178793289] [2022-11-25 22:22:24,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:24,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:22:24,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:22:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:22:24,553 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:22:24,554 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:22:24,555 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:22:24,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:22:24,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:22:24,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:22:24,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:22:24,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:22:24 BoogieIcfgContainer [2022-11-25 22:22:24,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:22:24,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:22:24,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:22:24,611 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:22:24,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:23" (3/4) ... [2022-11-25 22:22:24,614 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:22:24,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:22:24,615 INFO L158 Benchmark]: Toolchain (without parser) took 3178.79ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 126.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-25 22:22:24,616 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:22:24,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1472.37ms. Allocated memory is still 165.7MB. Free memory was 133.5MB in the beginning and 126.5MB in the end (delta: 7.0MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2022-11-25 22:22:24,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.99ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 123.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:22:24,618 INFO L158 Benchmark]: Boogie Preprocessor took 42.28ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:22:24,618 INFO L158 Benchmark]: RCFGBuilder took 654.98ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 117.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-25 22:22:24,619 INFO L158 Benchmark]: TraceAbstraction took 919.19ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 127.4MB in the end (delta: -10.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-11-25 22:22:24,620 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 165.7MB. Free memory was 127.4MB in the beginning and 126.5MB in the end (delta: 823.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:22:24,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1472.37ms. Allocated memory is still 165.7MB. Free memory was 133.5MB in the beginning and 126.5MB in the end (delta: 7.0MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.99ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 123.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.28ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.98ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 117.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 919.19ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 127.4MB in the end (delta: -10.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 165.7MB. Free memory was 127.4MB in the beginning and 126.5MB in the end (delta: 823.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: 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_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_multiply_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) [L1567] COND TRUE data > 0 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 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=14occurred 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, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 22:22:24,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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_a361ec86-d2f2-4510-aec7-525d535267d3/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 298ed0212adac1a28aa5d97b04d99f880b400538092a23c3e4a5eff970a06971 --- 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 22:22:27,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:22:27,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:22:27,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:22:27,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:22:27,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:22:27,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:22:27,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:22:27,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:22:27,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:22:27,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:22:27,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:22:27,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:22:27,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:22:27,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:22:27,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:22:27,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:22:27,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:22:27,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:22:27,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:22:27,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:22:27,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:22:27,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:22:27,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:22:27,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:22:27,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:22:27,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:22:27,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:22:27,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:22:27,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:22:27,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:22:27,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:22:27,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:22:27,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:22:27,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:22:27,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:22:27,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:22:27,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:22:27,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:22:27,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:22:27,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:22:27,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:22:27,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:22:27,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:22:27,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:22:27,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:22:27,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:22:27,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:22:27,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:22:27,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:22:27,281 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:22:27,282 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:22:27,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:22:27,283 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:22:27,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:22:27,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:22:27,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:22:27,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:22:27,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:22:27,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:22:27,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:22:27,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:22:27,286 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:22:27,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:22:27,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:22:27,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:22:27,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:22:27,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:22:27,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:22:27,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:22:27,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:22:27,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:22:27,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:22:27,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:22:27,290 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:22:27,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:22:27,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:22:27,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:22:27,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:22:27,291 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_a361ec86-d2f2-4510-aec7-525d535267d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 298ed0212adac1a28aa5d97b04d99f880b400538092a23c3e4a5eff970a06971 [2022-11-25 22:22:27,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:22:27,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:22:27,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:22:27,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:22:27,717 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:22:27,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_65_bad.i [2022-11-25 22:22:30,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:22:31,315 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:22:31,316 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_65_bad.i [2022-11-25 22:22:31,345 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data/c61a20a93/e088060edb4c47ae819d6bd4d2543825/FLAG577e09e6a [2022-11-25 22:22:31,366 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/data/c61a20a93/e088060edb4c47ae819d6bd4d2543825 [2022-11-25 22:22:31,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:22:31,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:22:31,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:22:31,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:22:31,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:22:31,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4f003f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31, skipping insertion in model container [2022-11-25 22:22:31,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:22:31,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:22:31,921 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:22:32,565 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:22:32,570 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:32,571 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:32,573 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:32,610 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:32,642 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:22:32,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:22:32,660 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:22:32,695 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:22:32,761 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:22:32,762 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:32,763 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:22:32,765 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:32,770 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:22:32,786 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:22:32,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:22:32,926 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:22:32,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32 WrapperNode [2022-11-25 22:22:32,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:22:32,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:22:32,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:22:32,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:22:32,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:32,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:32,986 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-11-25 22:22:32,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:22:32,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:22:32,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:22:32,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:22:32,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:32,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,015 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:22:33,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:22:33,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:22:33,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:22:33,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (1/1) ... [2022-11-25 22:22:33,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:22:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:33,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:22:33,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:22:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:22:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:22:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:22:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:22:33,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:22:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:22:33,283 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:22:33,285 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:22:33,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:22:33,434 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:22:33,434 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:22:33,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:33 BoogieIcfgContainer [2022-11-25 22:22:33,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:22:33,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:22:33,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:22:33,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:22:33,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:22:31" (1/3) ... [2022-11-25 22:22:33,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68424288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:22:33, skipping insertion in model container [2022-11-25 22:22:33,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:32" (2/3) ... [2022-11-25 22:22:33,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68424288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:22:33, skipping insertion in model container [2022-11-25 22:22:33,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:33" (3/3) ... [2022-11-25 22:22:33,444 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_65_bad.i [2022-11-25 22:22:33,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:22:33,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:22:33,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:22:33,544 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;@4b80c885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:22:33,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:22:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 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 22:22:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:22:33,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:33,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:33,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:22:33,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:33,559 INFO L85 PathProgramCache]: Analyzing trace with hash 84697761, now seen corresponding path program 1 times [2022-11-25 22:22:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:22:33,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467783131] [2022-11-25 22:22:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:33,570 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 22:22:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:22:33,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:33,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:33,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:22:33,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:33,820 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 22:22:33,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:33,821 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:22:33,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467783131] [2022-11-25 22:22:33,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467783131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:33,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:33,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:22:33,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162375637] [2022-11-25 22:22:33,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:33,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:22:33,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:22:33,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:22:33,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:22:33,859 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:22:33,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:33,891 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-11-25 22:22:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:22:33,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 22:22:33,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:33,901 INFO L225 Difference]: With dead ends: 32 [2022-11-25 22:22:33,901 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 22:22:33,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:22:33,907 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 10 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:33,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 51 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:22:33,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 22:22:33,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 22:22:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:22:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-25 22:22:33,943 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-25 22:22:33,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:33,944 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-25 22:22:33,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:22:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-25 22:22:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:22:33,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:33,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:33,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:34,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:34,158 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:22:34,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:34,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1669336649, now seen corresponding path program 1 times [2022-11-25 22:22:34,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:22:34,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718293047] [2022-11-25 22:22:34,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:34,164 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 22:22:34,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:22:34,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:34,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:22:34,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:22:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:22:34,350 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 22:22:34,354 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:22:34,357 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:22:34,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:22:34,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:34,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/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 22:22:34,576 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:22:34,581 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:22:34,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:22:34 BoogieIcfgContainer [2022-11-25 22:22:34,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:22:34,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:22:34,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:22:34,613 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:22:34,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:33" (3/4) ... [2022-11-25 22:22:34,615 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 22:22:34,659 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:22:34,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:22:34,661 INFO L158 Benchmark]: Toolchain (without parser) took 3290.08ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 47.3MB in the end (delta: 7.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2022-11-25 22:22:34,661 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:22:34,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1556.07ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 66.9MB in the end (delta: -12.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-25 22:22:34,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.66ms. Allocated memory is still 107.0MB. Free memory was 66.9MB in the beginning and 64.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:22:34,663 INFO L158 Benchmark]: Boogie Preprocessor took 32.31ms. Allocated memory is still 107.0MB. Free memory was 64.2MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:22:34,664 INFO L158 Benchmark]: RCFGBuilder took 415.60ms. Allocated memory is still 107.0MB. Free memory was 61.6MB in the beginning and 48.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:22:34,664 INFO L158 Benchmark]: TraceAbstraction took 1173.80ms. Allocated memory is still 107.0MB. Free memory was 47.5MB in the beginning and 50.0MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:22:34,665 INFO L158 Benchmark]: Witness Printer took 47.27ms. Allocated memory is still 107.0MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:22:34,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1556.07ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 66.9MB in the end (delta: -12.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.66ms. Allocated memory is still 107.0MB. Free memory was 66.9MB in the beginning and 64.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.31ms. Allocated memory is still 107.0MB. Free memory was 64.2MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.60ms. Allocated memory is still 107.0MB. Free memory was 61.6MB in the beginning and 48.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1173.80ms. Allocated memory is still 107.0MB. Free memory was 47.5MB in the beginning and 50.0MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.27ms. Allocated memory is still 107.0MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). 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: 1569]: 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_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_multiply_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()=65536, 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) [L1567] COND TRUE data > 0 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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, 24 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 22:22:34,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a361ec86-d2f2-4510-aec7-525d535267d3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)