./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9 --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 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 --- 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-6b4ec56 [2022-11-20 21:22:42,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:22:42,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:22:43,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:22:43,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:22:43,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:22:43,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:22:43,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:22:43,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:22:43,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:22:43,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:22:43,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:22:43,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:22:43,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:22:43,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:22:43,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:22:43,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:22:43,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:22:43,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:22:43,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:22:43,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:22:43,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:22:43,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:22:43,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:22:43,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:22:43,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:22:43,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:22:43,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:22:43,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:22:43,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:22:43,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:22:43,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:22:43,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:22:43,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:22:43,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:22:43,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:22:43,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:22:43,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:22:43,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:22:43,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:22:43,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:22:43,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 21:22:43,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:22:43,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:22:43,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:22:43,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:22:43,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:22:43,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:22:43,149 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:22:43,149 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:22:43,149 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:22:43,149 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:22:43,150 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:22:43,151 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:22:43,151 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:22:43,151 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:22:43,152 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:22:43,152 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:22:43,152 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:22:43,152 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:22:43,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:22:43,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:22:43,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:22:43,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:22:43,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:22:43,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:22:43,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:22:43,155 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 21:22:43,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:22:43,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:22:43,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:22:43,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:22:43,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:22:43,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:43,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:22:43,158 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:22:43,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:22:43,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:22:43,158 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:22:43,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:22:43,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:22:43,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:22:43,159 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_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 [2022-11-20 21:22:43,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:22:43,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:22:43,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:22:43,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:22:43,592 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:22:43,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2022-11-20 21:22:47,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:22:47,572 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:22:47,588 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2022-11-20 21:22:47,617 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data/534184ea4/fff88e985a104e949b8b9d088c4aba73/FLAGe5647fbbe [2022-11-20 21:22:47,634 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data/534184ea4/fff88e985a104e949b8b9d088c4aba73 [2022-11-20 21:22:47,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:22:47,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:22:47,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:47,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:22:47,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:22:47,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:47" (1/1) ... [2022-11-20 21:22:47,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff3dbf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:47, skipping insertion in model container [2022-11-20 21:22:47,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:47" (1/1) ... [2022-11-20 21:22:47,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:22:47,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:22:48,074 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:22:48,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:48,642 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:22:48,665 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:22:48,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:48,841 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:22:48,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48 WrapperNode [2022-11-20 21:22:48,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:48,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:48,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:22:48,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:22:48,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,902 INFO L138 Inliner]: procedures = 499, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-20 21:22:48,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:48,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:22:48,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:22:48,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:22:48,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:22:48,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:22:48,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:22:48,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:22:48,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (1/1) ... [2022-11-20 21:22:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:48,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:22:48,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:22:48,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:22:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 21:22:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 21:22:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 21:22:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 21:22:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 21:22:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 21:22:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:22:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:22:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:22:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 21:22:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:22:49,306 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:22:49,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:22:49,564 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:22:49,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:22:49,729 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:22:49,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:49 BoogieIcfgContainer [2022-11-20 21:22:49,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:22:49,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:22:49,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:22:49,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:22:49,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:22:47" (1/3) ... [2022-11-20 21:22:49,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135dfa93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:49, skipping insertion in model container [2022-11-20 21:22:49,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:48" (2/3) ... [2022-11-20 21:22:49,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135dfa93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:49, skipping insertion in model container [2022-11-20 21:22:49,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:49" (3/3) ... [2022-11-20 21:22:49,745 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2022-11-20 21:22:49,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:22:49,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 21:22:49,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:22:49,832 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;@18eb1dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:22:49,832 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 21:22:49,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 15 states have (on average 1.4) internal successors, (21), 21 states have internal predecessors, (21), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 21:22:49,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 21:22:49,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:49,857 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:22:49,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 21:22:49,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash -228049344, now seen corresponding path program 1 times [2022-11-20 21:22:49,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:49,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295904422] [2022-11-20 21:22:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:49,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:22:50,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:50,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295904422] [2022-11-20 21:22:50,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295904422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:50,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:50,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:22:50,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577577331] [2022-11-20 21:22:50,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:50,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:22:50,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:50,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:22:50,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:22:50,759 INFO L87 Difference]: Start difference. First operand has 30 states, 15 states have (on average 1.4) internal successors, (21), 21 states have internal predecessors, (21), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 21:22:50,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:50,865 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-11-20 21:22:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:22:50,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 15 [2022-11-20 21:22:50,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:50,878 INFO L225 Difference]: With dead ends: 34 [2022-11-20 21:22:50,878 INFO L226 Difference]: Without dead ends: 20 [2022-11-20 21:22:50,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:22:50,891 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:50,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 56 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:22:50,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-20 21:22:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-20 21:22:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 14 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 21:22:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-20 21:22:50,941 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 15 [2022-11-20 21:22:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:50,944 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-11-20 21:22:50,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 21:22:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-20 21:22:50,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 21:22:50,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:50,948 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:22:50,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:22:50,949 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 21:22:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:50,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1520404998, now seen corresponding path program 1 times [2022-11-20 21:22:50,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:50,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120319313] [2022-11-20 21:22:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:50,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:22:51,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:22:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:22:51,150 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:22:51,151 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:22:51,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-20 21:22:51,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-20 21:22:51,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-20 21:22:51,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-20 21:22:51,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:22:51,199 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 21:22:51,203 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:22:51,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:22:51 BoogieIcfgContainer [2022-11-20 21:22:51,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:22:51,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:22:51,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:22:51,237 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:22:51,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:49" (3/4) ... [2022-11-20 21:22:51,242 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 21:22:51,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:22:51,243 INFO L158 Benchmark]: Toolchain (without parser) took 3604.94ms. Allocated memory is still 182.5MB. Free memory was 153.0MB in the beginning and 146.4MB in the end (delta: 6.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-11-20 21:22:51,244 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:51,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1201.61ms. Allocated memory is still 182.5MB. Free memory was 152.9MB in the beginning and 93.2MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 21:22:51,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.19ms. Allocated memory is still 182.5MB. Free memory was 93.2MB in the beginning and 90.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:51,246 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 182.5MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:51,247 INFO L158 Benchmark]: RCFGBuilder took 798.64ms. Allocated memory is still 182.5MB. Free memory was 88.5MB in the beginning and 132.5MB in the end (delta: -43.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:51,248 INFO L158 Benchmark]: TraceAbstraction took 1501.77ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 146.4MB in the end (delta: -14.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2022-11-20 21:22:51,248 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 182.5MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:51,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1201.61ms. Allocated memory is still 182.5MB. Free memory was 152.9MB in the beginning and 93.2MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.19ms. Allocated memory is still 182.5MB. Free memory was 93.2MB in the beginning and 90.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 182.5MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.64ms. Allocated memory is still 182.5MB. Free memory was 88.5MB in the beginning and 132.5MB in the end (delta: -43.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1501.77ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 146.4MB in the end (delta: -14.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 182.5MB. Free memory is still 146.4MB. 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1585] 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={3:0}] [L1414] COND TRUE line != ((void *)0) [L1585] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483652:2147483651}, argv={2147483652:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1586] CALL CWE191_Integer_Underflow__int_rand_postdec_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 23 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 21:22:51,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9 --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 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 --- 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-6b4ec56 [2022-11-20 21:22:54,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:22:54,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:22:54,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:22:54,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:22:54,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:22:54,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:22:54,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:22:54,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:22:54,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:22:54,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:22:54,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:22:54,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:22:54,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:22:54,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:22:54,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:22:54,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:22:54,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:22:54,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:22:54,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:22:54,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:22:54,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:22:54,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:22:54,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:22:54,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:22:54,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:22:54,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:22:54,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:22:54,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:22:54,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:22:54,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:22:54,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:22:54,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:22:54,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:22:54,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:22:54,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:22:54,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:22:54,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:22:54,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:22:54,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:22:54,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:22:54,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-20 21:22:54,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:22:54,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:22:54,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:22:54,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:22:54,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:22:54,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:22:54,460 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:22:54,460 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:22:54,461 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:22:54,461 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:22:54,462 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:22:54,462 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:22:54,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:22:54,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:22:54,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:22:54,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:22:54,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:22:54,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:22:54,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:22:54,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:22:54,466 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 21:22:54,466 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:22:54,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:22:54,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:22:54,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:22:54,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:22:54,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:22:54,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:22:54,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:54,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:22:54,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:22:54,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:22:54,469 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:22:54,470 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:22:54,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:22:54,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:22:54,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:22:54,471 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_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 [2022-11-20 21:22:54,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:22:54,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:22:54,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:22:54,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:22:54,931 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:22:54,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2022-11-20 21:22:58,354 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:22:58,864 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:22:58,865 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2022-11-20 21:22:58,892 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data/b69ed2d2c/510aacb2ad82465fa2327db52e2de58c/FLAG6ac09450b [2022-11-20 21:22:58,924 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463e7d5a-657c-4e95-bc0d-4e3365516bcb/bin/utaipan-6cKwYrpEi9/data/b69ed2d2c/510aacb2ad82465fa2327db52e2de58c [2022-11-20 21:22:58,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:22:58,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:22:58,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:58,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:22:58,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:22:58,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:58" (1/1) ... [2022-11-20 21:22:58,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad499a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:58, skipping insertion in model container [2022-11-20 21:22:58,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:58" (1/1) ... [2022-11-20 21:22:58,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:22:59,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:22:59,610 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:23:00,031 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 21:23:00,041 INFO L158 Benchmark]: Toolchain (without parser) took 1110.63ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 48.1MB in the end (delta: -1.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 21:23:00,042 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:23:00,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1107.81ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 48.1MB in the end (delta: -1.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 21:23:00,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1107.81ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 48.1MB in the end (delta: -1.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.