./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh --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 fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:55:53,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:55:53,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:55:53,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:55:53,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:55:53,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:55:53,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:55:53,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:55:53,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:55:53,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:55:53,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:55:53,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:55:53,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:55:53,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:55:53,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:55:53,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:55:53,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:55:53,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:55:53,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:55:53,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:55:53,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:55:53,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:55:53,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:55:53,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:55:53,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:55:53,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:55:53,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:55:53,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:55:53,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:55:53,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:55:53,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:55:53,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:55:53,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:55:53,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:55:53,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:55:53,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:55:53,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:55:53,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:55:53,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:55:53,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:55:53,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:55:53,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:55:53,851 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:55:53,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:55:53,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:55:53,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:55:53,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:55:53,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:55:53,853 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:55:53,853 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:55:53,853 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:55:53,853 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:55:53,853 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:55:53,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:55:53,854 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:55:53,854 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:55:53,854 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:55:53,854 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:55:53,854 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:55:53,854 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:55:53,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:55:53,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:55:53,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:55:53,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:55:53,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:55:53,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:55:53,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:55:53,856 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:55:53,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:55:53,857 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:55:53,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:55:53,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:55:53,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:55:53,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:55:53,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:55:53,857 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:55:53,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:55:53,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:55:53,858 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:55:53,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:55:53,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:55:53,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:55:53,858 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_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 [2022-12-14 12:55:54,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:55:54,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:55:54,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:55:54,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:55:54,038 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:55:54,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-14 12:55:56,585 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:55:56,866 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:55:56,867 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-14 12:55:56,883 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data/b1ca4086f/0213d579f98e466493c220613fba9482/FLAGae920d404 [2022-12-14 12:55:57,146 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data/b1ca4086f/0213d579f98e466493c220613fba9482 [2022-12-14 12:55:57,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:55:57,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:55:57,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:55:57,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:55:57,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:55:57,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:55:57" (1/1) ... [2022-12-14 12:55:57,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50880dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:57, skipping insertion in model container [2022-12-14 12:55:57,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:55:57" (1/1) ... [2022-12-14 12:55:57,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:55:57,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:55:57,459 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:55:57,778 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:55:57,784 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:55:57,785 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:55:57,788 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:55:57,789 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:55:57,814 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:55:57,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:55:57,825 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:55:57,843 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:55:57,892 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:55:57,894 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:55:57,895 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:55:57,897 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:55:57,897 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:55:57,903 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:55:57,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:55:58,018 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:55:58,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58 WrapperNode [2022-12-14 12:55:58,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:55:58,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:55:58,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:55:58,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:55:58,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,064 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-14 12:55:58,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:55:58,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:55:58,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:55:58,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:55:58,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:55:58,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:55:58,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:55:58,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:55:58,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (1/1) ... [2022-12-14 12:55:58,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:55:58,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:55:58,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:55:58,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:55:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:55:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:55:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:55:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:55:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:55:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:55:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:55:58,238 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:55:58,239 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:55:58,355 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:55:58,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:55:58,435 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:55:58,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:55:58 BoogieIcfgContainer [2022-12-14 12:55:58,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:55:58,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:55:58,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:55:58,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:55:58,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:55:57" (1/3) ... [2022-12-14 12:55:58,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a5adf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:55:58, skipping insertion in model container [2022-12-14 12:55:58,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:55:58" (2/3) ... [2022-12-14 12:55:58,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a5adf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:55:58, skipping insertion in model container [2022-12-14 12:55:58,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:55:58" (3/3) ... [2022-12-14 12:55:58,446 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-14 12:55:58,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:55:58,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:55:58,497 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:55:58,501 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;@5ab815d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:55:58,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:55:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:55:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:55:58,513 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:55:58,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:55:58,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:55:58,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:55:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash 184305098, now seen corresponding path program 1 times [2022-12-14 12:55:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:55:58,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100788954] [2022-12-14 12:55:58,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:55:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:55:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:55:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:55:58,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:55:58,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100788954] [2022-12-14 12:55:58,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100788954] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:55:58,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:55:58,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:55:58,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618031346] [2022-12-14 12:55:58,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:55:58,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:55:58,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:55:58,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:55:58,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:55:58,882 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-12-14 12:55:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:55:58,932 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-12-14 12:55:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:55:58,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 12:55:58,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:55:58,939 INFO L225 Difference]: With dead ends: 20 [2022-12-14 12:55:58,939 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 12:55:58,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:55:58,944 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:55:58,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 7 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:55:58,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 12:55:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 12:55:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:55:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 12:55:58,967 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 12:55:58,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:55:58,967 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 12:55:58,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-12-14 12:55:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 12:55:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:55:58,967 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:55:58,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:55:58,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:55:58,968 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:55:58,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:55:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1418490804, now seen corresponding path program 1 times [2022-12-14 12:55:58,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:55:58,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718662743] [2022-12-14 12:55:58,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:55:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:55:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:55:59,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:55:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:55:59,060 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:55:59,061 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:55:59,063 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:55:59,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:55:59,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:55:59,068 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:55:59,072 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:55:59,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:55:59 BoogieIcfgContainer [2022-12-14 12:55:59,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:55:59,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:55:59,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:55:59,094 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:55:59,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:55:58" (3/4) ... [2022-12-14 12:55:59,097 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:55:59,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:55:59,098 INFO L158 Benchmark]: Toolchain (without parser) took 1947.77ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 98.9MB in the beginning and 86.8MB in the end (delta: 12.1MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2022-12-14 12:55:59,098 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:55:59,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.19ms. Allocated memory is still 132.1MB. Free memory was 98.9MB in the beginning and 84.1MB in the end (delta: 14.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2022-12-14 12:55:59,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.93ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 81.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:55:59,100 INFO L158 Benchmark]: Boogie Preprocessor took 20.68ms. Allocated memory is still 132.1MB. Free memory was 81.1MB in the beginning and 79.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:55:59,100 INFO L158 Benchmark]: RCFGBuilder took 351.50ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 59.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 12:55:59,101 INFO L158 Benchmark]: TraceAbstraction took 653.52ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 59.0MB in the beginning and 87.7MB in the end (delta: -28.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-12-14 12:55:59,101 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 159.4MB. Free memory was 87.7MB in the beginning and 86.8MB in the end (delta: 891.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:55:59,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.19ms. Allocated memory is still 132.1MB. Free memory was 98.9MB in the beginning and 84.1MB in the end (delta: 14.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.93ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 81.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.68ms. Allocated memory is still 132.1MB. Free memory was 81.1MB in the beginning and 79.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.50ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 59.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 653.52ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 59.0MB in the beginning and 87.7MB in the end (delta: -28.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 159.4MB. Free memory was 87.7MB in the beginning and 86.8MB in the end (delta: 891.1kB). 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [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, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483651] [L1559] data + 1 VAL [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, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483651] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 12:55:59,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh --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 fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:56:00,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:56:00,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:56:00,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:56:00,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:56:00,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:56:00,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:56:00,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:56:00,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:56:00,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:56:00,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:56:00,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:56:00,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:56:00,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:56:00,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:56:00,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:56:00,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:56:00,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:56:00,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:56:00,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:56:00,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:56:00,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:56:00,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:56:00,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:56:00,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:56:00,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:56:00,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:56:00,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:56:00,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:56:00,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:56:00,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:56:00,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:56:00,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:56:00,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:56:00,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:56:00,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:56:00,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:56:00,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:56:00,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:56:00,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:56:00,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:56:00,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 12:56:00,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:56:00,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:56:00,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:56:00,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:56:00,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:56:00,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:56:00,733 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:56:00,733 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:56:00,733 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:56:00,734 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:56:00,734 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:56:00,734 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:56:00,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:56:00,735 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:56:00,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:56:00,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:56:00,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:56:00,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:56:00,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:56:00,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:56:00,736 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:56:00,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:56:00,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:56:00,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:56:00,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:56:00,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:56:00,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:56:00,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:56:00,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:56:00,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:56:00,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:56:00,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:56:00,738 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:56:00,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:56:00,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:56:00,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:56:00,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:56:00,739 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_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 [2022-12-14 12:56:00,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:56:00,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:56:00,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:56:00,988 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:56:00,988 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:56:00,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-14 12:56:03,571 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:56:03,778 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:56:03,779 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-14 12:56:03,793 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data/77aa3816c/cccb16b37cd942f7af58f4f256fb7c30/FLAG710d98c0d [2022-12-14 12:56:03,805 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/data/77aa3816c/cccb16b37cd942f7af58f4f256fb7c30 [2022-12-14 12:56:03,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:56:03,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:56:03,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:56:03,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:56:03,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:56:03,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:56:03" (1/1) ... [2022-12-14 12:56:03,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee2cb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:03, skipping insertion in model container [2022-12-14 12:56:03,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:56:03" (1/1) ... [2022-12-14 12:56:03,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:56:03,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:56:04,107 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:56:04,436 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:56:04,440 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:56:04,442 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:56:04,443 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:56:04,443 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:56:04,462 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:56:04,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:56:04,473 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:56:04,488 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:56:04,523 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:56:04,524 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:56:04,525 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:56:04,527 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:56:04,527 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:56:04,531 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:56:04,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:56:04,613 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:56:04,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04 WrapperNode [2022-12-14 12:56:04,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:56:04,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:56:04,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:56:04,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:56:04,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,651 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-14 12:56:04,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:56:04,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:56:04,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:56:04,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:56:04,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,669 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:56:04,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:56:04,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:56:04,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:56:04,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (1/1) ... [2022-12-14 12:56:04,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:56:04,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:56:04,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:56:04,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:56:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:56:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:56:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 12:56:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:56:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:56:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:56:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:56:04,838 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:56:04,839 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:56:04,946 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:56:04,952 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:56:04,952 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:56:04,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:56:04 BoogieIcfgContainer [2022-12-14 12:56:04,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:56:04,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:56:04,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:56:04,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:56:04,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:56:03" (1/3) ... [2022-12-14 12:56:04,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e538922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:56:04, skipping insertion in model container [2022-12-14 12:56:04,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:04" (2/3) ... [2022-12-14 12:56:04,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e538922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:56:04, skipping insertion in model container [2022-12-14 12:56:04,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:56:04" (3/3) ... [2022-12-14 12:56:04,962 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-14 12:56:04,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:56:04,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:56:05,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:56:05,034 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;@6858f6bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:56:05,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:56:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:56:05,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:56:05,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:56:05,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:56:05,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:56:05,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:56:05,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-14 12:56:05,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:56:05,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098734074] [2022-12-14 12:56:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:56:05,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:56:05,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:56:05,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:56:05,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 12:56:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:56:05,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 12:56:05,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:56:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:56:05,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:56:05,184 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:56:05,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098734074] [2022-12-14 12:56:05,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098734074] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:56:05,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:56:05,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:56:05,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326076462] [2022-12-14 12:56:05,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:56:05,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:56:05,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:56:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:56:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:56:05,213 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:56:05,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:56:05,226 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-14 12:56:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:56:05,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 12:56:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:56:05,233 INFO L225 Difference]: With dead ends: 23 [2022-12-14 12:56:05,233 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 12:56:05,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:56:05,237 INFO L413 NwaCegarLoop]: 26 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, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:56:05,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:56:05,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 12:56:05,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 12:56:05,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:56:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-14 12:56:05,263 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-14 12:56:05,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:56:05,264 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-14 12:56:05,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:56:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-14 12:56:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:56:05,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:56:05,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:56:05,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:56:05,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:56:05,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:56:05,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:56:05,466 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-14 12:56:05,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:56:05,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773719107] [2022-12-14 12:56:05,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:56:05,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:56:05,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:56:05,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:56:05,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 12:56:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:56:05,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:56:05,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:56:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:56:05,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:56:05,556 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:56:05,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773719107] [2022-12-14 12:56:05,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773719107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:56:05,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:56:05,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:56:05,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040292137] [2022-12-14 12:56:05,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:56:05,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:56:05,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:56:05,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:56:05,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:56:05,558 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:56:05,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:56:05,563 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-14 12:56:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:56:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 12:56:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:56:05,564 INFO L225 Difference]: With dead ends: 19 [2022-12-14 12:56:05,564 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 12:56:05,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:56:05,565 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:56:05,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:56:05,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 12:56:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 12:56:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:56:05,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-14 12:56:05,568 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-14 12:56:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:56:05,568 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-14 12:56:05,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:56:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-14 12:56:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 12:56:05,568 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:56:05,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:56:05,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 12:56:05,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:56:05,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:56:05,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:56:05,772 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-14 12:56:05,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:56:05,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157245964] [2022-12-14 12:56:05,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:56:05,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:56:05,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:56:05,778 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:56:05,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/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 (4)] Waiting until timeout for monitored process [2022-12-14 12:56:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:56:05,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:56:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:56:05,942 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 12:56:05,942 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:56:05,943 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:56:05,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:56:05,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/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 (4)] Ended with exit code 0 [2022-12-14 12:56:06,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:56:06,157 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 12:56:06,169 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:56:06,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:56:06 BoogieIcfgContainer [2022-12-14 12:56:06,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:56:06,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:56:06,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:56:06,226 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:56:06,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:56:04" (3/4) ... [2022-12-14 12:56:06,228 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 12:56:06,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:56:06,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:56:06,259 INFO L158 Benchmark]: Toolchain (without parser) took 2450.83ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 81.8MB in the beginning and 112.5MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:56:06,260 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:56:06,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.47ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 849.0kB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-12-14 12:56:06,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.06ms. Allocated memory is still 121.6MB. Free memory was 80.7MB in the beginning and 77.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:56:06,260 INFO L158 Benchmark]: Boogie Preprocessor took 19.92ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:56:06,261 INFO L158 Benchmark]: RCFGBuilder took 281.95ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 62.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 12:56:06,261 INFO L158 Benchmark]: TraceAbstraction took 1268.08ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 61.8MB in the beginning and 115.5MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:56:06,261 INFO L158 Benchmark]: Witness Printer took 33.68ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 112.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:56:06,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.47ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 849.0kB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.06ms. Allocated memory is still 121.6MB. Free memory was 80.7MB in the beginning and 77.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.92ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.95ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 62.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1268.08ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 61.8MB in the beginning and 115.5MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.68ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 112.5MB in the end (delta: 3.0MB). 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: 1559]: 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_13_bad() [L1550] int data; [L1551] data = 0 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] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=65535, rand()=32767, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [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] [L1559] data + 1 VAL [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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 12:56:06,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129add69-0cef-4809-836e-5dada3f34264/bin/utaipan-gh47qXpMRh/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)