./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/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_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/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_547b07ca-082b-44eb-835a-eb1c60542452/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- 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 19:53:29,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:53:29,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:53:29,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:53:29,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:53:29,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:53:29,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:53:29,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:53:29,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:53:29,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:53:29,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:53:29,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:53:29,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:53:29,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:53:29,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:53:29,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:53:29,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:53:29,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:53:29,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:53:29,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:53:29,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:53:29,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:53:29,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:53:29,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:53:29,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:53:29,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:53:29,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:53:29,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:53:29,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:53:29,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:53:29,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:53:29,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:53:29,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:53:29,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:53:29,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:53:29,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:53:29,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:53:29,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:53:29,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:53:29,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:53:29,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:53:29,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 19:53:29,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:53:29,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:53:29,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:53:29,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:53:29,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:53:29,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:53:29,939 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:53:29,939 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:53:29,939 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:53:29,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:53:29,940 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:53:29,941 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:53:29,941 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:53:29,941 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:53:29,941 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:53:29,941 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:53:29,942 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:53:29,942 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:53:29,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:53:29,943 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:53:29,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:53:29,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:53:29,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:53:29,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:53:29,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:53:29,944 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:53:29,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:53:29,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:53:29,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:53:29,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:53:29,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:53:29,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:53:29,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:53:29,946 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:53:29,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:53:29,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:53:29,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:53:29,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:53:29,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:53:29,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:53:29,948 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_547b07ca-082b-44eb-835a-eb1c60542452/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2022-11-20 19:53:30,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:53:30,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:53:30,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:53:30,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:53:30,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:53:30,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-20 19:53:33,430 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:53:33,924 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:53:33,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-20 19:53:33,965 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data/22551db8c/4b8d2e35931b4e57b7021b855b95163a/FLAGafc41147d [2022-11-20 19:53:33,987 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data/22551db8c/4b8d2e35931b4e57b7021b855b95163a [2022-11-20 19:53:33,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:53:33,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:53:33,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:53:33,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:53:34,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:53:34,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:33" (1/1) ... [2022-11-20 19:53:34,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dbcd20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:34, skipping insertion in model container [2022-11-20 19:53:34,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:33" (1/1) ... [2022-11-20 19:53:34,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:53:34,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:53:34,626 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:53:35,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:53:35,266 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:53:35,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:53:35,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:53:35,560 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:53:35,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35 WrapperNode [2022-11-20 19:53:35,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:53:35,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:53:35,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:53:35,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:53:35,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,650 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-11-20 19:53:35,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:53:35,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:53:35,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:53:35,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:53:35,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,703 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:53:35,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:53:35,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:53:35,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:53:35,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (1/1) ... [2022-11-20 19:53:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:53:35,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:53:35,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:53:35,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:53:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 19:53:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 19:53:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:53:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:53:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:53:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:53:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:53:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:53:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 19:53:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:53:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:53:35,951 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:53:35,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:53:36,213 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:53:36,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:53:36,345 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 19:53:36,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:36 BoogieIcfgContainer [2022-11-20 19:53:36,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:53:36,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:53:36,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:53:36,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:53:36,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:53:33" (1/3) ... [2022-11-20 19:53:36,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195c4e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:36, skipping insertion in model container [2022-11-20 19:53:36,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:35" (2/3) ... [2022-11-20 19:53:36,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195c4e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:36, skipping insertion in model container [2022-11-20 19:53:36,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:36" (3/3) ... [2022-11-20 19:53:36,370 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-20 19:53:36,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:53:36,394 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 19:53:36,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:53:36,481 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;@188c3691, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:53:36,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 19:53:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 19:53:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 19:53:36,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:36,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 19:53:36,497 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 19:53:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:36,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2123776881, now seen corresponding path program 1 times [2022-11-20 19:53:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:53:36,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144022835] [2022-11-20 19:53:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:36,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:53:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:53:37,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:53:37,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144022835] [2022-11-20 19:53:37,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144022835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:53:37,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:53:37,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:53:37,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866440860] [2022-11-20 19:53:37,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:53:37,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:53:37,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:53:37,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:53:37,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:53:37,438 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:53:37,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:53:37,499 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-20 19:53:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:53:37,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-20 19:53:37,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:53:37,511 INFO L225 Difference]: With dead ends: 12 [2022-11-20 19:53:37,511 INFO L226 Difference]: Without dead ends: 8 [2022-11-20 19:53:37,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:53:37,519 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:53:37,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:53:37,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-20 19:53:37,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-20 19:53:37,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:53:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-20 19:53:37,562 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-20 19:53:37,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:53:37,563 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-20 19:53:37,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:53:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-20 19:53:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 19:53:37,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:37,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:53:37,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:53:37,565 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 19:53:37,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:37,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1412573924, now seen corresponding path program 1 times [2022-11-20 19:53:37,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:53:37,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672329608] [2022-11-20 19:53:37,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:37,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:53:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 19:53:37,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 19:53:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 19:53:37,716 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 19:53:37,717 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 19:53:37,720 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 19:53:37,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 19:53:37,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:53:37,727 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 19:53:37,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:53:37,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:53:37 BoogieIcfgContainer [2022-11-20 19:53:37,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:53:37,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:53:37,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:53:37,781 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:53:37,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:36" (3/4) ... [2022-11-20 19:53:37,785 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 19:53:37,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:53:37,786 INFO L158 Benchmark]: Toolchain (without parser) took 3792.22ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 97.0MB in the beginning and 112.1MB in the end (delta: -15.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 19:53:37,787 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 180.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:53:37,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1563.05ms. Allocated memory is still 144.7MB. Free memory was 96.6MB in the beginning and 86.3MB in the end (delta: 10.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-11-20 19:53:37,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.92ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 82.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 19:53:37,799 INFO L158 Benchmark]: Boogie Preprocessor took 54.02ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:53:37,801 INFO L158 Benchmark]: RCFGBuilder took 644.71ms. Allocated memory is still 144.7MB. Free memory was 81.2MB in the beginning and 60.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 19:53:37,802 INFO L158 Benchmark]: TraceAbstraction took 1425.68ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 59.6MB in the beginning and 112.1MB in the end (delta: -52.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-20 19:53:37,802 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 211.8MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:53:37,806 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 100.7MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 180.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1563.05ms. Allocated memory is still 144.7MB. Free memory was 96.6MB in the beginning and 86.3MB in the end (delta: 10.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.92ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 82.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.02ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.71ms. Allocated memory is still 144.7MB. Free memory was 81.2MB in the beginning and 60.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1425.68ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 59.6MB in the beginning and 112.1MB in the end (delta: -52.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 211.8MB. Free memory is still 112.1MB. 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483651, argc=2147483651, argv={2147483655:2147483653}, argv={2147483655:2147483653}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data-- VAL [data=-2147483648, data--=-2147483648, dataPtr={5:0}, dataVoidPtr={5:0}, dataVoidPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 19:53:37,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/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_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/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_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/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_547b07ca-082b-44eb-835a-eb1c60542452/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- 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 19:53:40,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:53:40,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:53:40,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:53:40,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:53:40,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:53:40,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:53:40,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:53:40,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:53:40,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:53:40,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:53:40,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:53:40,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:53:40,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:53:40,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:53:40,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:53:40,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:53:40,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:53:40,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:53:40,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:53:40,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:53:40,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:53:40,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:53:40,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:53:40,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:53:40,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:53:40,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:53:40,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:53:40,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:53:40,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:53:40,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:53:40,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:53:40,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:53:40,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:53:40,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:53:40,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:53:40,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:53:40,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:53:40,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:53:40,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:53:40,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:53:40,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-20 19:53:40,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:53:40,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:53:40,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:53:40,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:53:40,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:53:40,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:53:40,615 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:53:40,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:53:40,616 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:53:40,616 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:53:40,617 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:53:40,617 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:53:40,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:53:40,618 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:53:40,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:53:40,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:53:40,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:53:40,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:53:40,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 19:53:40,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 19:53:40,620 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:53:40,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 19:53:40,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:53:40,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:53:40,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:53:40,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:53:40,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 19:53:40,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:53:40,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:53:40,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:53:40,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:53:40,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:53:40,623 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 19:53:40,624 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 19:53:40,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:53:40,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:53:40,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 19:53:40,625 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_547b07ca-082b-44eb-835a-eb1c60542452/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2022-11-20 19:53:40,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:53:41,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:53:41,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:53:41,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:53:41,009 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:53:41,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-20 19:53:44,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:53:44,603 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:53:44,604 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-20 19:53:44,627 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data/6c9779062/18e6a05af8fe4f898461a42746533f1f/FLAG37a05cad4 [2022-11-20 19:53:44,650 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b07ca-082b-44eb-835a-eb1c60542452/bin/utaipan-6cKwYrpEi9/data/6c9779062/18e6a05af8fe4f898461a42746533f1f [2022-11-20 19:53:44,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:53:44,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:53:44,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:53:44,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:53:44,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:53:44,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:44" (1/1) ... [2022-11-20 19:53:44,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa7e61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:44, skipping insertion in model container [2022-11-20 19:53:44,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:44" (1/1) ... [2022-11-20 19:53:44,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:53:44,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:53:45,222 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:53:45,680 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 19:53:45,689 INFO L158 Benchmark]: Toolchain (without parser) took 1033.13ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 41.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 19:53:45,689 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:53:45,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.44ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 41.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 19:53:45,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.44ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 41.2MB in the end (delta: 15.2MB). 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.