./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_16_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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 dca09f5eab806f29bda4750c28d5244bbcefc09d71feee8b18c80a4f7f15f8db --- 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 09:54:50,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:54:50,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:54:50,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:54:50,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:54:50,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:54:50,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:54:50,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:54:50,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:54:50,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:54:50,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:54:50,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:54:50,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:54:50,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:54:50,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:54:50,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:54:50,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:54:50,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:54:50,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:54:50,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:54:50,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:54:50,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:54:50,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:54:50,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:54:50,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:54:50,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:54:50,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:54:50,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:54:50,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:54:50,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:54:50,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:54:50,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:54:50,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:54:50,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:54:50,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:54:50,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:54:50,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:54:50,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:54:50,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:54:50,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:54:50,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:54:50,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 09:54:50,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:54:50,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:54:50,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:54:50,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:54:50,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:54:50,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:54:50,118 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:54:50,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:54:50,119 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:54:50,119 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:54:50,119 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:54:50,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:54:50,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:54:50,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:54:50,119 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:54:50,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:54:50,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:54:50,120 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:54:50,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:54:50,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:54:50,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:54:50,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:54:50,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:54:50,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:54:50,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:54:50,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:54:50,122 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:54:50,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:54:50,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:54:50,123 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:54:50,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:54:50,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:54:50,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:54:50,123 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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dca09f5eab806f29bda4750c28d5244bbcefc09d71feee8b18c80a4f7f15f8db [2022-12-14 09:54:50,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:54:50,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:54:50,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:54:50,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:54:50,318 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:54:50,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_16_bad.i [2022-12-14 09:54:52,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:54:53,137 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:54:53,137 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_16_bad.i [2022-12-14 09:54:53,150 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data/198620e09/1eb708d28958458ab8c1c07ee8f36bea/FLAG92c4d3a7d [2022-12-14 09:54:53,161 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data/198620e09/1eb708d28958458ab8c1c07ee8f36bea [2022-12-14 09:54:53,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:54:53,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:54:53,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:54:53,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:54:53,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:54:53,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:53,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53, skipping insertion in model container [2022-12-14 09:54:53,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:53,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:54:53,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:54:53,471 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:54:53,758 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:54:53,762 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:54:53,764 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:54:53,765 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:54:53,766 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:54:53,787 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:54:53,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:54:53,795 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:54:53,809 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:54:53,840 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:54:53,841 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:54:53,842 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:54:53,844 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:54:53,845 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:54:53,849 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:54:53,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:54:53,991 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:54:53,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53 WrapperNode [2022-12-14 09:54:53,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:54:53,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:54:53,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:54:53,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:54:53,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,043 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-12-14 09:54:54,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:54:54,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:54:54,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:54:54,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:54:54,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:54:54,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:54:54,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:54:54,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:54:54,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (1/1) ... [2022-12-14 09:54:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:54:54,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:54:54,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:54:54,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:54:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 09:54:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 09:54:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:54:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:54:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:54:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 09:54:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:54:54,227 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:54:54,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:54:54,337 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:54:54,418 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:54:54,418 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 09:54:54,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:54:54 BoogieIcfgContainer [2022-12-14 09:54:54,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:54:54,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:54:54,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:54:54,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:54:54,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:54:53" (1/3) ... [2022-12-14 09:54:54,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0dc150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:54:54, skipping insertion in model container [2022-12-14 09:54:54,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:53" (2/3) ... [2022-12-14 09:54:54,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0dc150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:54:54, skipping insertion in model container [2022-12-14 09:54:54,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:54:54" (3/3) ... [2022-12-14 09:54:54,428 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_16_bad.i [2022-12-14 09:54:54,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:54:54,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 09:54:54,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:54:54,482 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;@55508329, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:54:54,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 09:54:54,485 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 09:54:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 09:54:54,490 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:54:54,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:54:54,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 09:54:54,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:54:54,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1683254456, now seen corresponding path program 1 times [2022-12-14 09:54:54,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:54:54,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317851537] [2022-12-14 09:54:54,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:54:54,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:54:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:54:54,824 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 09:54:54,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:54:54,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317851537] [2022-12-14 09:54:54,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317851537] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:54:54,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:54:54,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:54:54,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271645072] [2022-12-14 09:54:54,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:54:54,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:54:54,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:54:54,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:54:54,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:54:54,863 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:54:54,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:54:54,900 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-12-14 09:54:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:54:54,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 09:54:54,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:54:54,907 INFO L225 Difference]: With dead ends: 20 [2022-12-14 09:54:54,907 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 09:54:54,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:54:54,911 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:54:54,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:54:54,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 09:54:54,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 09:54:54,935 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 09:54:54,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 09:54:54,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 09:54:54,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:54:54,937 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 09:54:54,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:54:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 09:54:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 09:54:54,937 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:54:54,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:54:54,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:54:54,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 09:54:54,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:54:54,939 INFO L85 PathProgramCache]: Analyzing trace with hash 641280657, now seen corresponding path program 1 times [2022-12-14 09:54:54,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:54:54,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613680619] [2022-12-14 09:54:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:54:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:54:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:54:54,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:54:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:54:55,034 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:54:55,034 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:54:55,036 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 09:54:55,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 09:54:55,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:54:55,042 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 09:54:55,045 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:54:55,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:54:55 BoogieIcfgContainer [2022-12-14 09:54:55,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:54:55,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:54:55,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:54:55,067 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:54:55,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:54:54" (3/4) ... [2022-12-14 09:54:55,071 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 09:54:55,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:54:55,072 INFO L158 Benchmark]: Toolchain (without parser) took 1907.11ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 89.1MB in the beginning and 95.9MB in the end (delta: -6.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-14 09:54:55,072 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:54:55,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.34ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 89.1MB in the beginning and 109.1MB in the end (delta: -20.0MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-12-14 09:54:55,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.69ms. Allocated memory is still 165.7MB. Free memory was 109.1MB in the beginning and 105.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:54:55,073 INFO L158 Benchmark]: Boogie Preprocessor took 20.10ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:54:55,074 INFO L158 Benchmark]: RCFGBuilder took 355.87ms. Allocated memory is still 165.7MB. Free memory was 103.7MB in the beginning and 84.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 09:54:55,074 INFO L158 Benchmark]: TraceAbstraction took 643.37ms. Allocated memory is still 165.7MB. Free memory was 83.7MB in the beginning and 95.9MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:54:55,075 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 165.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:54:55,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.34ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 89.1MB in the beginning and 109.1MB in the end (delta: -20.0MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.69ms. Allocated memory is still 165.7MB. Free memory was 109.1MB in the beginning and 105.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.10ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.87ms. Allocated memory is still 165.7MB. Free memory was 103.7MB in the beginning and 84.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 643.37ms. Allocated memory is still 165.7MB. Free memory was 83.7MB in the beginning and 95.9MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 165.7MB. Free memory is still 95.9MB. 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: 1560]: 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_rand_preinc_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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)) [L1557] COND TRUE 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] [L1560] ++data 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: 1560]: 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 09:54:55,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 dca09f5eab806f29bda4750c28d5244bbcefc09d71feee8b18c80a4f7f15f8db --- 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 09:54:56,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:54:56,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:54:56,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:54:56,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:54:56,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:54:56,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:54:56,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:54:56,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:54:56,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:54:56,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:54:56,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:54:56,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:54:56,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:54:56,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:54:56,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:54:56,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:54:56,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:54:56,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:54:56,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:54:56,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:54:56,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:54:56,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:54:56,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:54:56,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:54:56,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:54:56,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:54:56,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:54:56,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:54:56,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:54:56,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:54:56,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:54:56,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:54:56,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:54:56,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:54:56,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:54:56,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:54:56,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:54:56,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:54:56,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:54:56,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:54:56,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 09:54:56,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:54:56,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:54:56,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:54:56,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:54:56,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:54:56,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:54:56,787 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:54:56,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:54:56,787 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:54:56,787 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:54:56,787 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:54:56,787 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:54:56,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:54:56,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:54:56,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:54:56,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:54:56,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:54:56,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:54:56,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:54:56,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:54:56,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:54:56,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:54:56,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:54:56,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:54:56,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:54:56,795 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:54:56,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:54:56,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:54:56,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:54:56,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:54:56,796 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_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dca09f5eab806f29bda4750c28d5244bbcefc09d71feee8b18c80a4f7f15f8db [2022-12-14 09:54:57,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:54:57,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:54:57,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:54:57,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:54:57,069 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:54:57,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_16_bad.i [2022-12-14 09:54:59,599 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:54:59,883 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:54:59,883 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_16_bad.i [2022-12-14 09:54:59,901 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data/8142e5203/b89a30adc30c4cf38324d94115c065af/FLAG01759e9b3 [2022-12-14 09:54:59,915 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/data/8142e5203/b89a30adc30c4cf38324d94115c065af [2022-12-14 09:54:59,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:54:59,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:54:59,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:54:59,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:54:59,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:54:59,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:54:59" (1/1) ... [2022-12-14 09:54:59,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441120a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:59, skipping insertion in model container [2022-12-14 09:54:59,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:54:59" (1/1) ... [2022-12-14 09:54:59,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:54:59,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:55:00,317 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:55:00,643 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:55:00,648 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:55:00,650 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:55:00,651 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:55:00,652 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:55:00,673 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:55:00,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:55:00,686 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:55:00,703 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:55:00,735 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:55:00,736 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:55:00,747 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:55:00,749 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:55:00,749 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:55:00,753 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:55:00,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:55:00,838 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:55:00,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00 WrapperNode [2022-12-14 09:55:00,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:55:00,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:55:00,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:55:00,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:55:00,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,875 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-12-14 09:55:00,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:55:00,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:55:00,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:55:00,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:55:00,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:55:00,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:55:00,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:55:00,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:55:00,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (1/1) ... [2022-12-14 09:55:00,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:55:00,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:55:00,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:55:00,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:55:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 09:55:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 09:55:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 09:55:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:55:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:55:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:55:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 09:55:01,068 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:55:01,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:55:01,172 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:55:01,177 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:55:01,178 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 09:55:01,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:55:01 BoogieIcfgContainer [2022-12-14 09:55:01,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:55:01,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:55:01,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:55:01,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:55:01,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:54:59" (1/3) ... [2022-12-14 09:55:01,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4420d69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:55:01, skipping insertion in model container [2022-12-14 09:55:01,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:00" (2/3) ... [2022-12-14 09:55:01,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4420d69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:55:01, skipping insertion in model container [2022-12-14 09:55:01,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:55:01" (3/3) ... [2022-12-14 09:55:01,188 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_16_bad.i [2022-12-14 09:55:01,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:55:01,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 09:55:01,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:55:01,247 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;@28346912, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:55:01,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 09:55:01,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 19 states have internal predecessors, (25), 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 09:55:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:55:01,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:55:01,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:55:01,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 09:55:01,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:55:01,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1037499696, now seen corresponding path program 1 times [2022-12-14 09:55:01,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:55:01,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864785559] [2022-12-14 09:55:01,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:01,275 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 09:55:01,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:55:01,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 09:55:01,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 09:55:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:55:01,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 09:55:01,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:55:01,412 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 09:55:01,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:55:01,412 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:55:01,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864785559] [2022-12-14 09:55:01,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864785559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:55:01,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:55:01,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 09:55:01,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146305462] [2022-12-14 09:55:01,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:55:01,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:55:01,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:55:01,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:55:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:55:01,439 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 19 states have internal predecessors, (25), 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 09:55:01,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:55:01,454 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-12-14 09:55:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:55:01,456 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 09:55:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:55:01,462 INFO L225 Difference]: With dead ends: 38 [2022-12-14 09:55:01,462 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 09:55:01,464 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 09:55:01,466 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:55:01,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:55:01,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 09:55:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 09:55:01,487 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 09:55:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-14 09:55:01,488 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2022-12-14 09:55:01,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:55:01,489 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-14 09:55:01,489 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 09:55:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-14 09:55:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 09:55:01,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:55:01,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:55:01,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 09:55:01,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 09:55:01,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 09:55:01,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:55:01,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1525694733, now seen corresponding path program 1 times [2022-12-14 09:55:01,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:55:01,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286702023] [2022-12-14 09:55:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:01,697 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 09:55:01,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:55:01,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 09:55:01,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 09:55:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:55:01,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:55:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:55:01,837 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 09:55:01,837 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:55:01,839 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 09:55:01,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 09:55:01,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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)] Forceful destruction successful, exit code 0 [2022-12-14 09:55:02,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/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 09:55:02,043 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 09:55:02,046 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:55:02,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:55:02 BoogieIcfgContainer [2022-12-14 09:55:02,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:55:02,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:55:02,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:55:02,067 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:55:02,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:55:01" (3/4) ... [2022-12-14 09:55:02,068 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 09:55:02,096 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:55:02,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:55:02,097 INFO L158 Benchmark]: Toolchain (without parser) took 2178.23ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.2MB in the beginning and 36.7MB in the end (delta: 7.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-12-14 09:55:02,097 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:55:02,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 918.28ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.0MB in the beginning and 39.1MB in the end (delta: 4.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-12-14 09:55:02,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.13ms. Allocated memory is still 83.9MB. Free memory was 39.1MB in the beginning and 36.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:55:02,098 INFO L158 Benchmark]: Boogie Preprocessor took 30.20ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 57.1MB in the end (delta: -21.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-12-14 09:55:02,099 INFO L158 Benchmark]: RCFGBuilder took 272.94ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 43.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 09:55:02,099 INFO L158 Benchmark]: TraceAbstraction took 884.20ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 38.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:55:02,099 INFO L158 Benchmark]: Witness Printer took 29.85ms. Allocated memory is still 83.9MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:55:02,101 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 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 918.28ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.0MB in the beginning and 39.1MB in the end (delta: 4.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.13ms. Allocated memory is still 83.9MB. Free memory was 39.1MB in the beginning and 36.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.20ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 57.1MB in the end (delta: -21.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * RCFGBuilder took 272.94ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 43.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 884.20ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 38.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 29.85ms. Allocated memory is still 83.9MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: 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] [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_rand_preinc_16_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 1 [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()=0, rand()=1073741823, rand()=32768, rand()=1, 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)) [L1557] COND TRUE 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] [L1560] ++data 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: 1560]: 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 09:55:02,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4eff3e-ae06-4e4d-bde3-10999f94d497/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)