./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_52_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_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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_60ff7033-d974-42d9-b5e2-1d580583c140/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 567bd30e932141bc5e6fe2dc818505b68a4aacf3f3f2b81199fae08810f99ed6 --- 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 [2022-11-26 00:57:35,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:35,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:35,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:35,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:35,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:35,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:35,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:35,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:35,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:35,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:35,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:35,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:35,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:35,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:35,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:35,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:35,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:35,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:35,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:35,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:35,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:35,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:35,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:35,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:35,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:35,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:35,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:35,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:35,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:35,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:35,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:35,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:35,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:35,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:35,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:35,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:35,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:35,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:35,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:35,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:35,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:57:35,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:35,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:35,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:35,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:35,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:35,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:35,915 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:35,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:35,915 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:35,915 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:57:35,917 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:35,917 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:35,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:57:35,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:57:35,918 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:35,919 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:57:35,919 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:57:35,919 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:57:35,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:35,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:57:35,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:57:35,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:35,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:57:35,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:35,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:57:35,923 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:57:35,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:57:35,923 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:35,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:57:35,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:35,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:35,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:35,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:35,925 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:57:35,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:35,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:57:35,927 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:57:35,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:57:35,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:57:35,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:35,928 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_60ff7033-d974-42d9-b5e2-1d580583c140/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 567bd30e932141bc5e6fe2dc818505b68a4aacf3f3f2b81199fae08810f99ed6 [2022-11-26 00:57:36,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:36,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:36,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:36,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:36,360 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:36,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_52_bad.i [2022-11-26 00:57:39,833 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:40,292 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:40,292 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_52_bad.i [2022-11-26 00:57:40,327 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data/e5efcf227/5a3b4e90a9394fd291312085f1d4e7cd/FLAG9ece01b07 [2022-11-26 00:57:40,352 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data/e5efcf227/5a3b4e90a9394fd291312085f1d4e7cd [2022-11-26 00:57:40,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:40,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:40,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:40,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:40,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:40,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:40" (1/1) ... [2022-11-26 00:57:40,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b95c748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:40, skipping insertion in model container [2022-11-26 00:57:40,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:40" (1/1) ... [2022-11-26 00:57:40,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:40,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:40,912 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:41,524 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:41,529 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:41,532 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:41,535 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:41,536 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:41,567 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:41,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:41,585 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:57:41,610 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:41,662 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:41,664 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:41,665 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:41,668 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:41,669 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:41,674 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:41,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:41,825 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:57:41,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41 WrapperNode [2022-11-26 00:57:41,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:41,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:41,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:57:41,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:57:41,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,942 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-11-26 00:57:41,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:41,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:57:41,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:57:41,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:57:41,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,991 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:41,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:57:41,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:57:41,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:57:41,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:57:42,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (1/1) ... [2022-11-26 00:57:42,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:42,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:42,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:57:42,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:57:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:57:42,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:57:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:57:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:57:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:57:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:57:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:57:42,365 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:57:42,368 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:57:42,607 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:57:42,773 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:57:42,773 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:57:42,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:42 BoogieIcfgContainer [2022-11-26 00:57:42,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:57:42,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:57:42,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:57:42,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:57:42,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:57:40" (1/3) ... [2022-11-26 00:57:42,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff37522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:42, skipping insertion in model container [2022-11-26 00:57:42,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:41" (2/3) ... [2022-11-26 00:57:42,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff37522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:42, skipping insertion in model container [2022-11-26 00:57:42,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:42" (3/3) ... [2022-11-26 00:57:42,788 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_52_bad.i [2022-11-26 00:57:42,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:57:42,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:57:42,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:57:42,888 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;@505fc5c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:57:42,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:57:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:57:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:57:42,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:42,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:57:42,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:42,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:42,918 INFO L85 PathProgramCache]: Analyzing trace with hash -2111993683, now seen corresponding path program 1 times [2022-11-26 00:57:42,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:42,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860044863] [2022-11-26 00:57:42,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:43,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:43,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860044863] [2022-11-26 00:57:43,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860044863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:43,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:43,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:57:43,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010530230] [2022-11-26 00:57:43,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:43,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:43,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:43,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:43,839 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:43,890 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-26 00:57:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:43,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-26 00:57:43,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:43,902 INFO L225 Difference]: With dead ends: 12 [2022-11-26 00:57:43,906 INFO L226 Difference]: Without dead ends: 8 [2022-11-26 00:57:43,910 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 [2022-11-26 00:57:43,917 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:43,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:57:43,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-26 00:57:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-26 00:57:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-26 00:57:43,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-26 00:57:43,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:43,963 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-26 00:57:43,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-26 00:57:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:57:43,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:43,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:43,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:57:43,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:43,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:43,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1047294680, now seen corresponding path program 1 times [2022-11-26 00:57:43,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:43,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258298848] [2022-11-26 00:57:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:43,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:44,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:57:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:44,167 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:57:44,169 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:57:44,172 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 00:57:44,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 00:57:44,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:57:44,181 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 00:57:44,185 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:57:44,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:57:44 BoogieIcfgContainer [2022-11-26 00:57:44,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:57:44,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:57:44,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:57:44,243 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:57:44,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:42" (3/4) ... [2022-11-26 00:57:44,249 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:57:44,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:57:44,251 INFO L158 Benchmark]: Toolchain (without parser) took 3890.12ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 128.4MB in the end (delta: 8.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-26 00:57:44,251 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:44,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.34ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 126.8MB in the end (delta: 9.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-11-26 00:57:44,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.23ms. Allocated memory is still 184.5MB. Free memory was 126.8MB in the beginning and 123.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:57:44,260 INFO L158 Benchmark]: Boogie Preprocessor took 49.88ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 122.6MB in the end (delta: 976.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:44,266 INFO L158 Benchmark]: RCFGBuilder took 782.38ms. Allocated memory is still 184.5MB. Free memory was 122.5MB in the beginning and 103.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-26 00:57:44,269 INFO L158 Benchmark]: TraceAbstraction took 1457.87ms. Allocated memory is still 184.5MB. Free memory was 102.6MB in the beginning and 128.4MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:44,270 INFO L158 Benchmark]: Witness Printer took 12.15ms. Allocated memory is still 184.5MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:44,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.34ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 126.8MB in the end (delta: 9.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.23ms. Allocated memory is still 184.5MB. Free memory was 126.8MB in the beginning and 123.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.88ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 122.6MB in the end (delta: 976.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 782.38ms. Allocated memory is still 184.5MB. Free memory was 122.5MB in the beginning and 103.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1457.87ms. Allocated memory is still 184.5MB. Free memory was 102.6MB in the beginning and 128.4MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.15ms. Allocated memory is still 184.5MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147516417, argc=2147516417, argv={2147516419:2147516418}, argv={2147516419:2147516418}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_52b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_52c_badSink(data) [L1572] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 00:57:44,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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_60ff7033-d974-42d9-b5e2-1d580583c140/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 567bd30e932141bc5e6fe2dc818505b68a4aacf3f3f2b81199fae08810f99ed6 --- 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 [2022-11-26 00:57:47,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:47,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:47,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:47,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:47,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:47,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:47,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:47,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:47,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:47,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:47,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:47,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:47,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:47,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:47,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:47,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:47,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:47,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:47,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:47,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:47,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:47,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:47,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:47,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:47,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:47,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:47,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:47,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:47,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:47,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:47,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:47,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:47,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:47,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:47,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:47,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:47,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:47,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:47,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:47,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:47,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:57:47,364 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:47,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:47,365 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:47,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:47,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:47,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:47,367 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:47,367 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:47,367 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:47,368 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:47,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:47,368 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:47,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:47,369 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:57:47,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:47,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:57:47,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:47,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:57:47,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:57:47,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:57:47,371 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:57:47,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:57:47,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:57:47,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:47,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:57:47,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:47,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:57:47,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:47,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:47,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:47,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:47,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:57:47,374 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:57:47,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:57:47,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:57:47,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:47,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:57:47,376 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_60ff7033-d974-42d9-b5e2-1d580583c140/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 567bd30e932141bc5e6fe2dc818505b68a4aacf3f3f2b81199fae08810f99ed6 [2022-11-26 00:57:47,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:47,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:47,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:47,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:47,739 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:47,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_52_bad.i [2022-11-26 00:57:51,004 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:51,482 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:51,483 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_52_bad.i [2022-11-26 00:57:51,511 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data/17066fa8c/49afbcd5c86d4d399f5cc8306ae7681e/FLAGd5bbdddc2 [2022-11-26 00:57:51,530 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/data/17066fa8c/49afbcd5c86d4d399f5cc8306ae7681e [2022-11-26 00:57:51,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:51,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:51,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:51,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:51,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:51,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:51" (1/1) ... [2022-11-26 00:57:51,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2328802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:51, skipping insertion in model container [2022-11-26 00:57:51,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:51" (1/1) ... [2022-11-26 00:57:51,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:51,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:52,249 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:53,170 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:53,177 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:53,179 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:53,182 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:53,184 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:53,219 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:53,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:53,244 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:57:53,265 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:53,318 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:53,320 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:53,321 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:53,324 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:53,325 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:53,331 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:53,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:53,512 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:57:53,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53 WrapperNode [2022-11-26 00:57:53,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:53,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:53,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:57:53,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:57:53,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,609 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-11-26 00:57:53,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:53,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:57:53,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:57:53,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:57:53,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,679 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:57:53,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:57:53,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:57:53,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:57:53,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (1/1) ... [2022-11-26 00:57:53,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:53,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:53,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:57:53,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:57:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:57:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:57:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:57:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:57:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:57:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:57:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:57:53,980 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:57:53,983 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:57:54,241 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:57:54,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:57:54,259 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:57:54,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:54 BoogieIcfgContainer [2022-11-26 00:57:54,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:57:54,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:57:54,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:57:54,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:57:54,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:57:51" (1/3) ... [2022-11-26 00:57:54,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b852455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:54, skipping insertion in model container [2022-11-26 00:57:54,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:53" (2/3) ... [2022-11-26 00:57:54,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b852455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:54, skipping insertion in model container [2022-11-26 00:57:54,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:54" (3/3) ... [2022-11-26 00:57:54,273 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_52_bad.i [2022-11-26 00:57:54,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:57:54,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:57:54,351 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:57:54,358 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;@2b56e955, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:57:54,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:57:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:57:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:57:54,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:54,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:54,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-11-26 00:57:54,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:54,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555736982] [2022-11-26 00:57:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:54,420 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 [2022-11-26 00:57:54,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:54,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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) [2022-11-26 00:57:54,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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 [2022-11-26 00:57:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:54,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 00:57:54,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:54,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:54,723 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:57:54,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555736982] [2022-11-26 00:57:54,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555736982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:54,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:54,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:57:54,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648670123] [2022-11-26 00:57:54,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:54,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:57:54,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:57:54,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:57:54,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:57:54,780 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:54,800 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-26 00:57:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:57:54,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-26 00:57:54,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:54,823 INFO L225 Difference]: With dead ends: 23 [2022-11-26 00:57:54,823 INFO L226 Difference]: Without dead ends: 13 [2022-11-26 00:57:54,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:57:54,830 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:54,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:57:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-26 00:57:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-26 00:57:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-26 00:57:54,875 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-26 00:57:54,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:54,876 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-26 00:57:54,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-26 00:57:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:57:54,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:54,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:54,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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 [2022-11-26 00:57:55,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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 [2022-11-26 00:57:55,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:55,097 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-11-26 00:57:55,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:55,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684689569] [2022-11-26 00:57:55,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:55,099 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 [2022-11-26 00:57:55,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:55,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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) [2022-11-26 00:57:55,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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 [2022-11-26 00:57:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:55,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:57:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:55,356 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 00:57:55,361 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:57:55,364 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 00:57:55,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 00:57:55,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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 [2022-11-26 00:57:55,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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 [2022-11-26 00:57:55,586 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 00:57:55,591 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:57:55,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:57:55 BoogieIcfgContainer [2022-11-26 00:57:55,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:57:55,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:57:55,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:57:55,641 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:57:55,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:54" (3/4) ... [2022-11-26 00:57:55,644 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-26 00:57:55,688 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:57:55,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:57:55,689 INFO L158 Benchmark]: Toolchain (without parser) took 4154.15ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.7MB in the beginning and 44.4MB in the end (delta: 12.3MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-11-26 00:57:55,690 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:55,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1973.92ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 35.4MB in the end (delta: 21.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-11-26 00:57:55,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.99ms. Allocated memory is still 81.8MB. Free memory was 35.4MB in the beginning and 54.6MB in the end (delta: -19.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-26 00:57:55,692 INFO L158 Benchmark]: Boogie Preprocessor took 75.49ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:57:55,692 INFO L158 Benchmark]: RCFGBuilder took 568.15ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 39.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 00:57:55,693 INFO L158 Benchmark]: TraceAbstraction took 1375.19ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 38.6MB in the beginning and 47.1MB in the end (delta: -8.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-11-26 00:57:55,694 INFO L158 Benchmark]: Witness Printer took 47.82ms. Allocated memory is still 98.6MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:57:55,698 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 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1973.92ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 35.4MB in the end (delta: 21.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.99ms. Allocated memory is still 81.8MB. Free memory was 35.4MB in the beginning and 54.6MB in the end (delta: -19.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.49ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.15ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 39.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1375.19ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 38.6MB in the beginning and 47.1MB in the end (delta: -8.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 47.82ms. Allocated memory is still 98.6MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1572]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=65536, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_52b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_52c_badSink(data) [L1572] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-26 00:57:55,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ff7033-d974-42d9-b5e2-1d580583c140/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)