./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.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_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8 --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 Automizer --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-2329fc7 [2022-12-13 16:40:46,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:40:46,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:40:46,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:40:46,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:40:46,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:40:46,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:40:46,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:40:46,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:40:46,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:40:46,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:40:46,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:40:46,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:40:46,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:40:46,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:40:46,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:40:46,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:40:46,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:40:46,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:40:46,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:40:46,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:40:46,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:40:46,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:40:46,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:40:46,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:40:46,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:40:46,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:40:46,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:40:46,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:40:46,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:40:46,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:40:46,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:40:46,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:40:46,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:40:46,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:40:46,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:40:46,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:40:46,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:40:46,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:40:46,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:40:46,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:40:46,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:40:46,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:40:46,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:40:46,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:40:46,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:40:46,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:40:46,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:40:46,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:40:46,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:40:46,830 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:40:46,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:40:46,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:40:46,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:40:46,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:40:46,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:40:46,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:40:46,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:40:46,831 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:40:46,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:40:46,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:40:46,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:40:46,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:40:46,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:40:46,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:40:46,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:40:46,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:40:46,833 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:40:46,834 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2022-12-13 16:40:47,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:40:47,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:40:47,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:40:47,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:40:47,028 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:40:47,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-12-13 16:40:49,523 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:40:49,735 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:40:49,735 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-12-13 16:40:49,748 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data/bf31ee486/47278a7c3dc94575a8c62e3ea2c537d3/FLAG036a203dc [2022-12-13 16:40:50,079 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data/bf31ee486/47278a7c3dc94575a8c62e3ea2c537d3 [2022-12-13 16:40:50,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:40:50,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:40:50,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:40:50,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:40:50,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:40:50,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:40:50" (1/1) ... [2022-12-13 16:40:50,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d557d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:50, skipping insertion in model container [2022-12-13 16:40:50,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:40:50" (1/1) ... [2022-12-13 16:40:50,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:40:50,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:40:50,466 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:40:50,800 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:40:50,805 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:50,808 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:50,810 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:50,811 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:50,833 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:40:50,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:40:50,845 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:40:50,861 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:40:50,922 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:40:50,924 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:50,925 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:50,928 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:50,928 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:50,934 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:40:50,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:40:51,025 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:40:51,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51 WrapperNode [2022-12-13 16:40:51,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:40:51,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:40:51,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:40:51,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:40:51,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,080 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-12-13 16:40:51,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:40:51,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:40:51,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:40:51,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:40:51,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:40:51,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:40:51,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:40:51,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:40:51,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (1/1) ... [2022-12-13 16:40:51,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:40:51,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:40:51,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:40:51,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:40:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:40:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:40:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:40:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:40:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:40:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:40:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:40:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:40:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:40:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:40:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:40:51,275 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:40:51,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:40:51,402 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:40:51,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:40:51,406 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:40:51,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:40:51 BoogieIcfgContainer [2022-12-13 16:40:51,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:40:51,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:40:51,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:40:51,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:40:51,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:40:50" (1/3) ... [2022-12-13 16:40:51,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248359b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:40:51, skipping insertion in model container [2022-12-13 16:40:51,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:51" (2/3) ... [2022-12-13 16:40:51,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248359b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:40:51, skipping insertion in model container [2022-12-13 16:40:51,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:40:51" (3/3) ... [2022-12-13 16:40:51,414 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-12-13 16:40:51,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:40:51,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:40:51,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:40:51,467 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=PETRI_NET, 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;@4eaf1547, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:40:51,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:40:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:40:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:40:51,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:40:51,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:40:51,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:40:51,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:40:51,481 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 16:40:51,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:40:51,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353632274] [2022-12-13 16:40:51,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:40:51,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:40:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:40:51,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:40:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:40:51,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:40:51,662 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:40:51,663 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:40:51,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:40:51,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:40:51,668 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 16:40:51,671 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:40:51,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:40:51 BoogieIcfgContainer [2022-12-13 16:40:51,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:40:51,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:40:51,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:40:51,689 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:40:51,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:40:51" (3/4) ... [2022-12-13 16:40:51,692 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:40:51,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:40:51,693 INFO L158 Benchmark]: Toolchain (without parser) took 1611.15ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 67.9MB in the beginning and 113.7MB in the end (delta: -45.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-12-13 16:40:51,694 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:40:51,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.32ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 67.9MB in the beginning and 96.9MB in the end (delta: -29.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-12-13 16:40:51,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:40:51,695 INFO L158 Benchmark]: Boogie Preprocessor took 26.97ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 92.7MB in the end (delta: 880.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:40:51,695 INFO L158 Benchmark]: RCFGBuilder took 298.48ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 78.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:40:51,695 INFO L158 Benchmark]: TraceAbstraction took 279.39ms. Allocated memory is still 167.8MB. Free memory was 77.7MB in the beginning and 114.8MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:40:51,696 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 113.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:40:51,697 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 109.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.32ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 67.9MB in the beginning and 96.9MB in the end (delta: -29.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.97ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 92.7MB in the end (delta: 880.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.48ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 78.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 279.39ms. Allocated memory is still 167.8MB. Free memory was 77.7MB in the beginning and 114.8MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 113.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, argv={2147483650:2147483654}, argv={2147483650:2147483654}, 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 VAL [data={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, rand()=1, rand()=2147483647, rand()=32769, rand()=6, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 16:40:51,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.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_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8 --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 Automizer --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-2329fc7 [2022-12-13 16:40:53,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:40:53,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:40:53,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:40:53,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:40:53,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:40:53,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:40:53,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:40:53,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:40:53,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:40:53,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:40:53,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:40:53,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:40:53,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:40:53,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:40:53,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:40:53,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:40:53,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:40:53,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:40:53,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:40:53,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:40:53,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:40:53,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:40:53,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:40:53,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:40:53,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:40:53,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:40:53,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:40:53,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:40:53,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:40:53,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:40:53,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:40:53,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:40:53,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:40:53,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:40:53,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:40:53,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:40:53,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:40:53,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:40:53,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:40:53,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:40:53,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:40:53,324 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:40:53,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:40:53,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:40:53,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:40:53,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:40:53,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:40:53,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:40:53,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:40:53,326 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:40:53,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:40:53,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:40:53,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:40:53,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:40:53,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:40:53,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:40:53,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:40:53,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:40:53,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:40:53,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:40:53,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:40:53,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:40:53,329 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2022-12-13 16:40:53,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:40:53,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:40:53,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:40:53,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:40:53,556 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:40:53,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-12-13 16:40:56,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:40:56,461 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:40:56,461 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-12-13 16:40:56,479 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data/eae15da6e/d75e8a037c864cf6abbd7864b5a1127d/FLAGed4ff1ecb [2022-12-13 16:40:56,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/data/eae15da6e/d75e8a037c864cf6abbd7864b5a1127d [2022-12-13 16:40:56,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:40:56,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:40:56,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:40:56,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:40:56,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:40:56,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:40:56" (1/1) ... [2022-12-13 16:40:56,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c5ea01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:56, skipping insertion in model container [2022-12-13 16:40:56,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:40:56" (1/1) ... [2022-12-13 16:40:56,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:40:56,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:40:56,779 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:40:57,113 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:40:57,116 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:57,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:57,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:57,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:57,136 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:40:57,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:40:57,149 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 16:40:57,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:40:57,164 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:40:57,193 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:40:57,194 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:57,195 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:57,196 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:57,197 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:57,200 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:40:57,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:40:57,205 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:40:57,217 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:40:57,251 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:40:57,252 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:57,253 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:40:57,254 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:57,255 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:40:57,258 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:40:57,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:40:57,338 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:40:57,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57 WrapperNode [2022-12-13 16:40:57,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:40:57,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:40:57,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:40:57,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:40:57,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,378 INFO L138 Inliner]: procedures = 505, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-12-13 16:40:57,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:40:57,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:40:57,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:40:57,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:40:57,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,397 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:40:57,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:40:57,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:40:57,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:40:57,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (1/1) ... [2022-12-13 16:40:57,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:40:57,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:40:57,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:40:57,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:40:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:40:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:40:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 16:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:40:57,564 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:40:57,565 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:40:57,714 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:40:57,719 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:40:57,719 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:40:57,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:40:57 BoogieIcfgContainer [2022-12-13 16:40:57,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:40:57,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:40:57,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:40:57,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:40:57,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:40:56" (1/3) ... [2022-12-13 16:40:57,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daf77ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:40:57, skipping insertion in model container [2022-12-13 16:40:57,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:57" (2/3) ... [2022-12-13 16:40:57,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daf77ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:40:57, skipping insertion in model container [2022-12-13 16:40:57,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:40:57" (3/3) ... [2022-12-13 16:40:57,727 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-12-13 16:40:57,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:40:57,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:40:57,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:40:57,802 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=PETRI_NET, 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;@41bab10, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:40:57,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:40:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:40:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:40:57,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:40:57,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:40:57,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:40:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:40:57,821 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 16:40:57,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:40:57,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324932277] [2022-12-13 16:40:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:40:57,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:40:57,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:40:57,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:40:57,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 16:40:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:40:58,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:40:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:40:58,194 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:40:58,196 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:40:58,197 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:40:58,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:40:58,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:40:58,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:40:58,408 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 16:40:58,418 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:40:58,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:40:58 BoogieIcfgContainer [2022-12-13 16:40:58,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:40:58,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:40:58,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:40:58,508 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:40:58,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:40:57" (3/4) ... [2022-12-13 16:40:58,516 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:40:58,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:40:58,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:40:58,578 INFO L158 Benchmark]: Toolchain (without parser) took 2079.80ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 44.3MB in the end (delta: 25.4MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-12-13 16:40:58,578 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:40:58,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.89ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 61.8MB in the end (delta: 7.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-12-13 16:40:58,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.28ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 58.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:40:58,579 INFO L158 Benchmark]: Boogie Preprocessor took 21.95ms. Allocated memory is still 94.4MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:40:58,580 INFO L158 Benchmark]: RCFGBuilder took 319.19ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 41.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:40:58,580 INFO L158 Benchmark]: TraceAbstraction took 783.03ms. Allocated memory is still 94.4MB. Free memory was 40.8MB in the beginning and 46.4MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:40:58,581 INFO L158 Benchmark]: Witness Printer took 69.73ms. Allocated memory is still 94.4MB. Free memory was 46.4MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:40:58,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.89ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 61.8MB in the end (delta: 7.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.28ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 58.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.95ms. Allocated memory is still 94.4MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.19ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 41.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 783.03ms. Allocated memory is still 94.4MB. Free memory was 40.8MB in the beginning and 46.4MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.73ms. Allocated memory is still 94.4MB. Free memory was 46.4MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1569]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL 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 VAL [data={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1073741823, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [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={7:0}, dataVoidPtr={7:0}, dataVoidPtr={7:0}, 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:40:58,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f304c0-09ff-42ba-9e35-75e21921e596/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)