./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba --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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- 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-b5237d8 [2022-11-22 02:34:33,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:34:33,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:34:33,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:34:33,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:34:33,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:34:33,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:34:33,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:34:33,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:34:33,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:34:33,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:34:33,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:34:33,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:34:33,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:34:33,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:34:33,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:34:33,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:34:33,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:34:33,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:34:33,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:34:33,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:34:33,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:34:33,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:34:33,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:34:33,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:34:33,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:34:33,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:34:33,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:34:33,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:34:33,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:34:33,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:34:33,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:34:33,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:34:33,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:34:33,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:34:33,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:34:33,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:34:33,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:34:33,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:34:33,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:34:33,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:34:33,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 02:34:33,875 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:34:33,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:34:33,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:34:33,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:34:33,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:34:33,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:34:33,878 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:34:33,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:34:33,878 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:34:33,878 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:34:33,879 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:34:33,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:34:33,880 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:34:33,880 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:34:33,880 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:34:33,881 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:34:33,881 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:34:33,881 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:34:33,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:34:33,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:34:33,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:34:33,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:34:33,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:34:33,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:34:33,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:34:33,883 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:34:33,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:34:33,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:34:33,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:34:33,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:34:33,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:34:33,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:34:33,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:34:33,885 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:34:33,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:34:33,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:34:33,887 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:34:33,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:34:33,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:34:33,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:34:33,887 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_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2022-11-22 02:34:34,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:34:34,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:34:34,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:34:34,201 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:34:34,202 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:34:34,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-22 02:34:37,137 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:34:37,524 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:34:37,525 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-22 02:34:37,552 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data/979db3d14/5124a71d8a374d4c984e5fad081d5374/FLAG80a77961c [2022-11-22 02:34:37,571 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data/979db3d14/5124a71d8a374d4c984e5fad081d5374 [2022-11-22 02:34:37,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:34:37,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:34:37,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:34:37,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:34:37,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:34:37,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:37" (1/1) ... [2022-11-22 02:34:37,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eafbc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:37, skipping insertion in model container [2022-11-22 02:34:37,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:37" (1/1) ... [2022-11-22 02:34:37,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:34:37,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:34:38,026 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:34:38,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:34:38,653 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:34:38,685 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:34:38,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:34:38,924 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:34:38,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38 WrapperNode [2022-11-22 02:34:38,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:34:38,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:34:38,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:34:38,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:34:38,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:38,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:38,985 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-22 02:34:38,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:34:38,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:34:38,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:34:38,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:34:38,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:38,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:38,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:38,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:39,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:39,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:39,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:39,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:39,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:34:39,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:34:39,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:34:39,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:34:39,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (1/1) ... [2022-11-22 02:34:39,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:34:39,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:34:39,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:34:39,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:34:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 02:34:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 02:34:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-22 02:34:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-22 02:34:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:34:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:34:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:34:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 02:34:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:34:39,311 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:34:39,313 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:34:39,532 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:34:39,627 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:34:39,627 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:34:39,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:39 BoogieIcfgContainer [2022-11-22 02:34:39,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:34:39,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:34:39,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:34:39,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:34:39,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:34:37" (1/3) ... [2022-11-22 02:34:39,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af4033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:34:39, skipping insertion in model container [2022-11-22 02:34:39,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:38" (2/3) ... [2022-11-22 02:34:39,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af4033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:34:39, skipping insertion in model container [2022-11-22 02:34:39,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:39" (3/3) ... [2022-11-22 02:34:39,645 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-22 02:34:39,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:34:39,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 02:34:39,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:34:39,729 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;@7e247208, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:34:39,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 02:34:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 02:34:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 02:34:39,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:39,743 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:39,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 02:34:39,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:39,750 INFO L85 PathProgramCache]: Analyzing trace with hash 150707878, now seen corresponding path program 1 times [2022-11-22 02:34:39,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:39,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970189083] [2022-11-22 02:34:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:39,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:34:40,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:40,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970189083] [2022-11-22 02:34:40,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970189083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:40,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:40,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:34:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148179203] [2022-11-22 02:34:40,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:40,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:34:40,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:40,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:34:40,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:40,474 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:34:40,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:40,570 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-11-22 02:34:40,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:34:40,573 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), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 15 [2022-11-22 02:34:40,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:40,584 INFO L225 Difference]: With dead ends: 20 [2022-11-22 02:34:40,584 INFO L226 Difference]: Without dead ends: 15 [2022-11-22 02:34:40,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:40,594 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:40,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 27 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:34:40,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-22 02:34:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-22 02:34:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 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) [2022-11-22 02:34:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-22 02:34:40,630 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 15 [2022-11-22 02:34:40,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:40,631 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-22 02:34:40,632 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), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:34:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-22 02:34:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 02:34:40,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:40,634 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:40,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:34:40,635 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 02:34:40,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash 376976988, now seen corresponding path program 1 times [2022-11-22 02:34:40,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:40,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892964657] [2022-11-22 02:34:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:34:40,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:34:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:34:40,799 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:34:40,800 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:34:40,801 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-22 02:34:40,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-22 02:34:40,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:34:40,807 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 02:34:40,810 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:34:40,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:34:40 BoogieIcfgContainer [2022-11-22 02:34:40,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:34:40,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:34:40,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:34:40,839 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:34:40,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:34:39" (3/4) ... [2022-11-22 02:34:40,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:34:40,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:34:40,844 INFO L158 Benchmark]: Toolchain (without parser) took 3263.95ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 81.0MB in the end (delta: 38.7MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-11-22 02:34:40,844 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:34:40,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.33ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 110.3MB in the end (delta: 9.3MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2022-11-22 02:34:40,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.43ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 107.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:34:40,849 INFO L158 Benchmark]: Boogie Preprocessor took 31.90ms. Allocated memory is still 153.1MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:34:40,851 INFO L158 Benchmark]: RCFGBuilder took 611.97ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 83.9MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 02:34:40,855 INFO L158 Benchmark]: TraceAbstraction took 1206.08ms. Allocated memory is still 153.1MB. Free memory was 83.7MB in the beginning and 81.0MB in the end (delta: 2.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-22 02:34:40,856 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 153.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:34:40,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.33ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 110.3MB in the end (delta: 9.3MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.43ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 107.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.90ms. Allocated memory is still 153.1MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.97ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 83.9MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1206.08ms. Allocated memory is still 153.1MB. Free memory was 83.7MB in the beginning and 81.0MB in the end (delta: 2.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 153.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=3221225473, argc=3221225473, argv={3221225475:3221225474}, argv={3221225475:3221225474}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_11_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 globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=3221225476] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [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=3221225476] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 13 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 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 [2022-11-22 02:34:40,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/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 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_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba --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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- 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-b5237d8 [2022-11-22 02:34:43,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:34:43,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:34:43,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:34:43,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:34:43,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:34:43,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:34:43,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:34:43,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:34:43,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:34:43,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:34:43,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:34:43,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:34:43,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:34:43,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:34:43,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:34:43,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:34:43,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:34:43,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:34:43,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:34:43,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:34:43,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:34:43,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:34:43,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:34:43,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:34:43,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:34:43,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:34:43,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:34:43,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:34:43,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:34:43,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:34:43,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:34:43,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:34:43,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:34:43,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:34:43,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:34:43,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:34:43,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:34:43,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:34:43,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:34:43,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:34:43,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 02:34:43,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:34:43,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:34:43,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:34:43,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:34:43,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:34:43,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:34:43,481 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:34:43,481 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:34:43,482 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:34:43,482 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:34:43,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:34:43,483 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:34:43,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:34:43,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:34:43,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:34:43,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:34:43,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:34:43,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:34:43,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:34:43,486 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:34:43,486 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:34:43,486 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:34:43,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:34:43,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:34:43,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:34:43,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:34:43,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:34:43,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:34:43,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:34:43,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:34:43,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:34:43,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:34:43,489 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:34:43,489 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:34:43,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:34:43,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:34:43,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:34:43,490 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_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2022-11-22 02:34:43,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:34:43,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:34:43,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:34:43,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:34:43,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:34:43,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-22 02:34:47,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:34:47,446 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:34:47,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-22 02:34:47,470 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data/b2b7663a6/20da52d97c1249a19533f3628b9f2ad4/FLAGab5221fc7 [2022-11-22 02:34:47,493 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c9cd3a1-5352-44f8-ae3b-7a4a81ac7997/bin/utaipan-g80aRyZoba/data/b2b7663a6/20da52d97c1249a19533f3628b9f2ad4 [2022-11-22 02:34:47,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:34:47,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:34:47,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:34:47,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:34:47,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:34:47,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:47" (1/1) ... [2022-11-22 02:34:47,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5fb816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:34:47, skipping insertion in model container [2022-11-22 02:34:47,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:34:47" (1/1) ... [2022-11-22 02:34:47,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:34:47,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:34:48,068 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:34:48,303 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) [2022-11-22 02:34:48,311 INFO L158 Benchmark]: Toolchain (without parser) took 811.16ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 30.0MB in the beginning and 56.6MB in the end (delta: -26.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-22 02:34:48,312 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:34:48,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.84ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 29.8MB in the beginning and 56.6MB in the end (delta: -26.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-22 02:34:48,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.84ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 29.8MB in the beginning and 56.6MB in the end (delta: -26.7MB). Peak memory consumption was 6.2MB. 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.