./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 96362842d97dd747438149c4bfdba1c1d523850cb3c083cae161227dc81c242b --- 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 15:48:48,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:48:48,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:48:48,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:48:48,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:48:48,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:48:48,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:48:48,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:48:48,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:48:48,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:48:48,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:48:48,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:48:48,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:48:48,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:48:48,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:48:48,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:48:48,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:48:48,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:48:48,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:48:48,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:48:48,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:48:48,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:48:48,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:48:48,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:48:48,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:48:48,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:48:48,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:48:48,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:48:48,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:48:48,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:48:48,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:48:48,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:48:48,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:48:48,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:48:48,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:48:48,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:48:48,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:48:48,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:48:48,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:48:48,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:48:48,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:48:48,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 15:48:48,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:48:48,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:48:48,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:48:48,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:48:48,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:48:48,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:48:48,117 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:48:48,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:48:48,117 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:48:48,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:48:48,118 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:48:48,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:48:48,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:48:48,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:48:48,118 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:48:48,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:48:48,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:48:48,119 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:48:48,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:48:48,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:48:48,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:48:48,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:48:48,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:48:48,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:48:48,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:48:48,121 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:48:48,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:48:48,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:48:48,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:48:48,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:48:48,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:48:48,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:48:48,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:48:48,123 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:48:48,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:48:48,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:48:48,123 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:48:48,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:48:48,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:48:48,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:48:48,124 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_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96362842d97dd747438149c4bfdba1c1d523850cb3c083cae161227dc81c242b [2022-12-14 15:48:48,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:48:48,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:48:48,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:48:48,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:48:48,345 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:48:48,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_bad.i [2022-12-14 15:48:50,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:48:51,168 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:48:51,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_bad.i [2022-12-14 15:48:51,182 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data/e505393fa/f1818a58224a4b33a10302a0dbd772ce/FLAGa93da3d8c [2022-12-14 15:48:51,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data/e505393fa/f1818a58224a4b33a10302a0dbd772ce [2022-12-14 15:48:51,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:48:51,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:48:51,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:48:51,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:48:51,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:48:51,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:48:51" (1/1) ... [2022-12-14 15:48:51,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d5e2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:51, skipping insertion in model container [2022-12-14 15:48:51,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:48:51" (1/1) ... [2022-12-14 15:48:51,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:48:51,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:48:51,556 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:48:51,882 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:48:51,887 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:51,888 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:51,890 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:51,890 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:51,908 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:48:51,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:48:51,919 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:48:51,939 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:48:51,990 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:48:51,991 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:51,992 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:51,994 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:51,994 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:51,997 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:48:51,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:48:52,079 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:48:52,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52 WrapperNode [2022-12-14 15:48:52,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:48:52,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:48:52,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:48:52,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:48:52,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,126 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-14 15:48:52,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:48:52,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:48:52,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:48:52,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:48:52,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:48:52,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:48:52,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:48:52,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:48:52,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (1/1) ... [2022-12-14 15:48:52,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:48:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:52,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:48:52,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:48:52,214 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 15:48:52,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 15:48:52,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:48:52,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:48:52,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:48:52,214 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 15:48:52,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:48:52,323 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:48:52,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:48:52,440 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:48:52,511 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:48:52,511 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:48:52,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:48:52 BoogieIcfgContainer [2022-12-14 15:48:52,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:48:52,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:48:52,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:48:52,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:48:52,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:48:51" (1/3) ... [2022-12-14 15:48:52,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f591ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:48:52, skipping insertion in model container [2022-12-14 15:48:52,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:52" (2/3) ... [2022-12-14 15:48:52,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f591ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:48:52, skipping insertion in model container [2022-12-14 15:48:52,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:48:52" (3/3) ... [2022-12-14 15:48:52,521 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_51_bad.i [2022-12-14 15:48:52,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:48:52,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:48:52,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:48:52,586 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;@60ffefab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:48:52,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:48:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 15:48:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 15:48:52,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:52,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 15:48:52,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:48:52,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:52,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2123776881, now seen corresponding path program 1 times [2022-12-14 15:48:52,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:52,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687624151] [2022-12-14 15:48:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:52,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:53,018 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 15:48:53,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:53,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687624151] [2022-12-14 15:48:53,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687624151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:53,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:48:53,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:48:53,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133206849] [2022-12-14 15:48:53,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:53,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:48:53,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:53,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:48:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:48:53,048 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 15:48:53,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:53,078 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 15:48:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:48:53,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-12-14 15:48:53,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:53,085 INFO L225 Difference]: With dead ends: 12 [2022-12-14 15:48:53,085 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 15:48:53,087 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 15:48:53,089 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:53,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:48:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 15:48:53,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 15:48:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 15:48:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 15:48:53,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 15:48:53,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:53,114 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 15:48:53,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 15:48:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 15:48:53,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 15:48:53,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:53,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:53,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:48:53,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:48:53,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:53,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1412573924, now seen corresponding path program 1 times [2022-12-14 15:48:53,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:53,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269721726] [2022-12-14 15:48:53,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:53,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:48:53,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:48:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:48:53,196 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:48:53,197 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:48:53,198 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 15:48:53,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 15:48:53,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:48:53,202 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 15:48:53,205 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:48:53,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:48:53 BoogieIcfgContainer [2022-12-14 15:48:53,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:48:53,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:48:53,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:48:53,221 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:48:53,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:48:52" (3/4) ... [2022-12-14 15:48:53,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:48:53,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:48:53,224 INFO L158 Benchmark]: Toolchain (without parser) took 2028.47ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 91.0MB in the beginning and 122.4MB in the end (delta: -31.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-12-14 15:48:53,224 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:48:53,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.54ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 90.6MB in the beginning and 119.6MB in the end (delta: -29.0MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2022-12-14 15:48:53,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.09ms. Allocated memory is still 188.7MB. Free memory was 119.6MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:48:53,225 INFO L158 Benchmark]: Boogie Preprocessor took 25.33ms. Allocated memory is still 188.7MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:48:53,226 INFO L158 Benchmark]: RCFGBuilder took 360.57ms. Allocated memory is still 188.7MB. Free memory was 114.4MB in the beginning and 95.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 15:48:53,226 INFO L158 Benchmark]: TraceAbstraction took 704.33ms. Allocated memory is still 188.7MB. Free memory was 95.5MB in the beginning and 122.4MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:48:53,226 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 188.7MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:48:53,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.54ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 90.6MB in the beginning and 119.6MB in the end (delta: -29.0MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.09ms. Allocated memory is still 188.7MB. Free memory was 119.6MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.33ms. Allocated memory is still 188.7MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.57ms. Allocated memory is still 188.7MB. Free memory was 114.4MB in the beginning and 95.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 704.33ms. Allocated memory is still 188.7MB. Free memory was 95.5MB in the beginning and 122.4MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 188.7MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_51b_badSink(data) [L1567] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 15:48:53,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 96362842d97dd747438149c4bfdba1c1d523850cb3c083cae161227dc81c242b --- 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 15:48:54,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:48:54,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:48:54,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:48:54,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:48:54,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:48:54,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:48:54,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:48:54,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:48:54,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:48:54,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:48:54,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:48:54,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:48:54,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:48:54,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:48:54,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:48:54,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:48:54,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:48:54,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:48:54,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:48:54,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:48:54,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:48:54,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:48:54,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:48:54,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:48:54,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:48:54,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:48:54,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:48:54,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:48:54,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:48:54,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:48:54,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:48:54,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:48:54,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:48:54,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:48:54,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:48:54,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:48:54,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:48:54,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:48:54,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:48:54,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:48:54,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 15:48:54,841 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:48:54,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:48:54,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:48:54,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:48:54,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:48:54,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:48:54,843 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:48:54,843 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:48:54,843 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:48:54,844 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:48:54,844 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:48:54,844 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:48:54,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:48:54,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:48:54,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:48:54,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:48:54,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:48:54,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:48:54,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:48:54,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:48:54,846 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:48:54,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:48:54,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:48:54,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:48:54,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:48:54,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:48:54,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:48:54,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:48:54,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:48:54,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:48:54,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:48:54,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:48:54,849 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:48:54,849 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:48:54,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:48:54,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:48:54,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:48:54,849 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_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96362842d97dd747438149c4bfdba1c1d523850cb3c083cae161227dc81c242b [2022-12-14 15:48:55,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:48:55,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:48:55,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:48:55,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:48:55,145 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:48:55,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_bad.i [2022-12-14 15:48:57,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:48:58,019 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:48:58,019 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_bad.i [2022-12-14 15:48:58,033 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data/371db68b5/e657fc23d1ac40bb8b189162fc2e6ae9/FLAGc7c69d2fd [2022-12-14 15:48:58,044 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/data/371db68b5/e657fc23d1ac40bb8b189162fc2e6ae9 [2022-12-14 15:48:58,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:48:58,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:48:58,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:48:58,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:48:58,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:48:58,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488078e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58, skipping insertion in model container [2022-12-14 15:48:58,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:48:58,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:48:58,342 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:48:58,636 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:48:58,641 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:58,642 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:58,644 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:58,645 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:58,664 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:48:58,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:48:58,680 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:48:58,697 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:48:58,751 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:48:58,753 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:58,754 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:48:58,756 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:58,757 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:48:58,761 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:48:58,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:48:58,876 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:48:58,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58 WrapperNode [2022-12-14 15:48:58,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:48:58,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:48:58,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:48:58,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:48:58,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,916 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-14 15:48:58,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:48:58,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:48:58,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:48:58,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:48:58,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:48:58,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:48:58,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:48:58,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:48:58,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (1/1) ... [2022-12-14 15:48:58,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:48:58,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:58,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:48:58,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:48:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 15:48:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 15:48:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 15:48:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:48:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:48:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:48:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 15:48:59,115 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:48:59,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:48:59,229 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:48:59,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:48:59,235 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:48:59,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:48:59 BoogieIcfgContainer [2022-12-14 15:48:59,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:48:59,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:48:59,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:48:59,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:48:59,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:48:58" (1/3) ... [2022-12-14 15:48:59,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aab8814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:48:59, skipping insertion in model container [2022-12-14 15:48:59,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:48:58" (2/3) ... [2022-12-14 15:48:59,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aab8814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:48:59, skipping insertion in model container [2022-12-14 15:48:59,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:48:59" (3/3) ... [2022-12-14 15:48:59,245 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_51_bad.i [2022-12-14 15:48:59,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:48:59,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:48:59,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:48:59,308 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;@6c051356, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:48:59,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:48:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 15:48:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 15:48:59,317 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:59,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:59,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:48:59,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:59,323 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-14 15:48:59,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:48:59,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356339919] [2022-12-14 15:48:59,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:59,337 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 15:48:59,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:48:59,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:48:59,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:48:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:59,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 15:48:59,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:59,458 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 15:48:59,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:48:59,459 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:48:59,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356339919] [2022-12-14 15:48:59,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356339919] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:59,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:48:59,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 15:48:59,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472982501] [2022-12-14 15:48:59,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:59,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:48:59,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:48:59,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:48:59,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:48:59,494 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 15:48:59,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:59,511 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-14 15:48:59,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:48:59,513 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 15:48:59,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:59,520 INFO L225 Difference]: With dead ends: 22 [2022-12-14 15:48:59,520 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 15:48:59,523 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 15:48:59,527 INFO L413 NwaCegarLoop]: 23 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, 23 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 15:48:59,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:48:59,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 15:48:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 15:48:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 15:48:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 15:48:59,567 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 15:48:59,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:59,567 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 15:48:59,567 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 15:48:59,567 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 15:48:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 15:48:59,568 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:59,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:59,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:48:59,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:48:59,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:48:59,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:59,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-14 15:48:59,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:48:59,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402519524] [2022-12-14 15:48:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:59,771 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 15:48:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:48:59,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:48:59,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:48:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:48:59,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:48:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:48:59,907 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 15:48:59,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:48:59,908 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 15:48:59,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 15:48:59,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:49:00,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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 15:49:00,115 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 15:49:00,122 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:49:00,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:49:00 BoogieIcfgContainer [2022-12-14 15:49:00,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:49:00,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:49:00,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:49:00,182 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:49:00,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:48:59" (3/4) ... [2022-12-14 15:49:00,188 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 15:49:00,290 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:49:00,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:49:00,292 INFO L158 Benchmark]: Toolchain (without parser) took 2243.95ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 110.5kB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-14 15:49:00,293 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:49:00,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.59ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.5MB in the beginning and 49.5MB in the end (delta: -7.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-12-14 15:49:00,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.77ms. Allocated memory is still 81.8MB. Free memory was 49.5MB in the beginning and 46.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:49:00,300 INFO L158 Benchmark]: Boogie Preprocessor took 21.99ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:49:00,301 INFO L158 Benchmark]: RCFGBuilder took 296.97ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 53.0MB in the end (delta: -8.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 15:49:00,302 INFO L158 Benchmark]: TraceAbstraction took 941.19ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 44.7MB in the end (delta: 7.5MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-12-14 15:49:00,304 INFO L158 Benchmark]: Witness Printer took 108.91ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 42.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:49:00,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.59ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.5MB in the beginning and 49.5MB in the end (delta: -7.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.77ms. Allocated memory is still 81.8MB. Free memory was 49.5MB in the beginning and 46.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.99ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.97ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 53.0MB in the end (delta: -8.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 941.19ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 44.7MB in the end (delta: 7.5MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 108.91ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 42.6MB 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: 1567]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=2, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_51b_badSink(data) [L1567] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: 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, 22 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, 23 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, 23 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=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 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 15:49:00,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c4ede02-ec72-4cea-95c9-cf38aa5d06c8/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)