./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_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_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 --- 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 16:33:42,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:33:42,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:33:42,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:33:42,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:33:42,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:33:42,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:33:42,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:33:42,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:33:42,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:33:42,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:33:42,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:33:42,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:33:42,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:33:42,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:33:42,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:33:42,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:33:42,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:33:42,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:33:42,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:33:42,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:33:42,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:33:42,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:33:42,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:33:42,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:33:42,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:33:42,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:33:42,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:33:42,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:33:42,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:33:42,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:33:42,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:33:42,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:33:42,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:33:42,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:33:42,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:33:42,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:33:42,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:33:42,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:33:42,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:33:42,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:33:42,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:33:42,914 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:33:42,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:33:42,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:33:42,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:33:42,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:33:42,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:33:42,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:33:42,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:33:42,916 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:33:42,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:33:42,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:33:42,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:33:42,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:33:42,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:33:42,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:33:42,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:33:42,918 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:33:42,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:33:42,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:33:42,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:33:42,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:33:42,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:33:42,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:33:42,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:33:42,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:33:42,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:33:42,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:33:42,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:33:42,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:33:42,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:33:42,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:33:42,921 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:33:42,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:33:42,921 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:33:42,921 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_7771a30e-aa5e-464c-91e8-619bd3ce6153/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 [2022-12-13 16:33:43,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:33:43,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:33:43,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:33:43,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:33:43,134 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:33:43,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-13 16:33:45,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:33:45,964 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:33:45,965 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-13 16:33:45,982 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data/f3a1aa3d3/f94f13bec5944ea4ae8c90169ebab554/FLAG14ae867a5 [2022-12-13 16:33:45,995 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data/f3a1aa3d3/f94f13bec5944ea4ae8c90169ebab554 [2022-12-13 16:33:45,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:33:45,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:33:46,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:33:46,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:33:46,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:33:46,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:33:45" (1/1) ... [2022-12-13 16:33:46,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37da1ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46, skipping insertion in model container [2022-12-13 16:33:46,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:33:45" (1/1) ... [2022-12-13 16:33:46,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:33:46,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:33:46,354 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:33:46,641 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:33:46,647 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:46,649 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:46,651 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:46,652 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:46,674 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:33:46,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:33:46,688 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:33:46,702 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:33:46,734 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:33:46,735 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:46,736 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:46,737 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:46,738 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:46,742 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:33:46,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:33:46,837 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:33:46,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46 WrapperNode [2022-12-13 16:33:46,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:33:46,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:33:46,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:33:46,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:33:46,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,879 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2022-12-13 16:33:46,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:33:46,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:33:46,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:33:46,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:33:46,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:33:46,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:33:46,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:33:46,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:33:46,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (1/1) ... [2022-12-13 16:33:46,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:33:46,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:33:46,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:33:46,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:33:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:33:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:33:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:33:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:33:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:33:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:33:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:33:47,070 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:33:47,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:33:47,200 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:33:47,204 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:33:47,205 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:33:47,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:33:47 BoogieIcfgContainer [2022-12-13 16:33:47,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:33:47,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:33:47,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:33:47,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:33:47,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:33:45" (1/3) ... [2022-12-13 16:33:47,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f4dbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:33:47, skipping insertion in model container [2022-12-13 16:33:47,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:46" (2/3) ... [2022-12-13 16:33:47,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f4dbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:33:47, skipping insertion in model container [2022-12-13 16:33:47,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:33:47" (3/3) ... [2022-12-13 16:33:47,212 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-13 16:33:47,227 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:33:47,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:33:47,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:33:47,267 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;@6a008150, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:33:47,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:33:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 16:33:47,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:33:47,276 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:33:47,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:33:47,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:33:47,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:33:47,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-12-13 16:33:47,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:33:47,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577416549] [2022-12-13 16:33:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:33:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:33:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:33:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:33:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:33:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:33:47,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:33:47,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577416549] [2022-12-13 16:33:47,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577416549] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:33:47,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:33:47,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:33:47,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413073713] [2022-12-13 16:33:47,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:33:47,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:33:47,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:33:47,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:33:47,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:33:47,639 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:33:47,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:33:47,663 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-12-13 16:33:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:33:47,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 16:33:47,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:33:47,671 INFO L225 Difference]: With dead ends: 25 [2022-12-13 16:33:47,671 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:33:47,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:33:47,677 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:33:47,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 45 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:33:47,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:33:47,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:33:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:33:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:33:47,701 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:33:47,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:33:47,701 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:33:47,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:33:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:33:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:33:47,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:33:47,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:33:47,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:33:47,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:33:47,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:33:47,703 INFO L85 PathProgramCache]: Analyzing trace with hash 252582083, now seen corresponding path program 1 times [2022-12-13 16:33:47,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:33:47,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128735461] [2022-12-13 16:33:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:33:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:33:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:33:47,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:33:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:33:47,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:33:47,774 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:33:47,775 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:33:47,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:33:47,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:33:47,781 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:33:47,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:33:47,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:33:47 BoogieIcfgContainer [2022-12-13 16:33:47,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:33:47,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:33:47,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:33:47,807 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:33:47,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:33:47" (3/4) ... [2022-12-13 16:33:47,810 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:33:47,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:33:47,811 INFO L158 Benchmark]: Toolchain (without parser) took 1811.95ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.2MB in the beginning and 92.8MB in the end (delta: -5.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-12-13 16:33:47,811 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:33:47,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.63ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.2MB in the beginning and 103.0MB in the end (delta: -15.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-12-13 16:33:47,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.72ms. Allocated memory is still 159.4MB. Free memory was 103.0MB in the beginning and 99.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:33:47,813 INFO L158 Benchmark]: Boogie Preprocessor took 17.64ms. Allocated memory is still 159.4MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:33:47,813 INFO L158 Benchmark]: RCFGBuilder took 308.81ms. Allocated memory is still 159.4MB. Free memory was 98.1MB in the beginning and 84.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:33:47,814 INFO L158 Benchmark]: TraceAbstraction took 598.41ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 92.8MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:33:47,814 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 159.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:33:47,816 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 132.1MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.63ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.2MB in the beginning and 103.0MB in the end (delta: -15.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.72ms. Allocated memory is still 159.4MB. Free memory was 103.0MB in the beginning and 99.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.64ms. Allocated memory is still 159.4MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.81ms. Allocated memory is still 159.4MB. Free memory was 98.1MB in the beginning and 84.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 598.41ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 92.8MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 159.4MB. Free memory is still 92.8MB. 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: 1582]: 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)=3221225474, argc=3221225474, argv={3221225473:3221225475}, argv={3221225473:3221225475}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=65536, rand()=3, rand()=0, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_postinc_54e_badSink(data) [L1582] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 16:33:47,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 --- 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 16:33:49,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:33:49,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:33:49,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:33:49,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:33:49,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:33:49,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:33:49,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:33:49,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:33:49,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:33:49,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:33:49,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:33:49,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:33:49,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:33:49,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:33:49,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:33:49,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:33:49,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:33:49,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:33:49,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:33:49,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:33:49,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:33:49,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:33:49,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:33:49,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:33:49,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:33:49,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:33:49,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:33:49,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:33:49,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:33:49,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:33:49,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:33:49,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:33:49,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:33:49,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:33:49,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:33:49,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:33:49,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:33:49,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:33:49,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:33:49,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:33:49,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:33:49,563 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:33:49,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:33:49,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:33:49,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:33:49,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:33:49,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:33:49,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:33:49,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:33:49,565 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:33:49,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:33:49,565 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:33:49,566 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:33:49,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:33:49,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:33:49,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:33:49,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:33:49,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:33:49,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:33:49,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:33:49,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:33:49,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:33:49,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:33:49,568 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:33:49,568 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:33:49,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:33:49,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:33:49,572 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:33:49,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:33:49,572 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:33:49,572 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:33:49,573 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_7771a30e-aa5e-464c-91e8-619bd3ce6153/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 [2022-12-13 16:33:49,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:33:49,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:33:49,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:33:49,791 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:33:49,791 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:33:49,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-13 16:33:52,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:33:52,629 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:33:52,629 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-13 16:33:52,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data/ce27a75bf/2d2749575970455282d735a8617d6f75/FLAG3a57deb9a [2022-12-13 16:33:52,662 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/data/ce27a75bf/2d2749575970455282d735a8617d6f75 [2022-12-13 16:33:52,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:33:52,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:33:52,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:33:52,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:33:52,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:33:52,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:33:52" (1/1) ... [2022-12-13 16:33:52,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d80ef5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:52, skipping insertion in model container [2022-12-13 16:33:52,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:33:52" (1/1) ... [2022-12-13 16:33:52,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:33:52,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:33:53,009 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:33:53,269 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:33:53,273 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:53,274 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:53,276 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:53,276 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:53,291 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:33:53,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:33:53,306 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:33:53,325 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:33:53,358 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:33:53,359 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:53,360 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:33:53,362 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:53,362 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:33:53,365 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:33:53,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:33:53,452 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:33:53,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53 WrapperNode [2022-12-13 16:33:53,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:33:53,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:33:53,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:33:53,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:33:53,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,508 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2022-12-13 16:33:53,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:33:53,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:33:53,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:33:53,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:33:53,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,529 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:33:53,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:33:53,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:33:53,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:33:53,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (1/1) ... [2022-12-13 16:33:53,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:33:53,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:33:53,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:33:53,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:33:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:33:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:33:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:33:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:33:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:33:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:33:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:33:53,703 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:33:53,704 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:33:53,817 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:33:53,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:33:53,823 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:33:53,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:33:53 BoogieIcfgContainer [2022-12-13 16:33:53,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:33:53,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:33:53,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:33:53,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:33:53,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:33:52" (1/3) ... [2022-12-13 16:33:53,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a630053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:33:53, skipping insertion in model container [2022-12-13 16:33:53,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:33:53" (2/3) ... [2022-12-13 16:33:53,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a630053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:33:53, skipping insertion in model container [2022-12-13 16:33:53,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:33:53" (3/3) ... [2022-12-13 16:33:53,833 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-13 16:33:53,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:33:53,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:33:53,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:33:53,904 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;@5e3667c6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:33:53,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:33:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 16:33:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:33:53,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:33:53,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:33:53,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:33:53,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:33:53,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-12-13 16:33:53,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:33:53,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340925322] [2022-12-13 16:33:53,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:33:53,935 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 16:33:53,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:33:53,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 16:33:53,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 16:33:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:33:54,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:33:54,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:33:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:33:54,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:33:54,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:33:54,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340925322] [2022-12-13 16:33:54,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340925322] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:33:54,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:33:54,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:33:54,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297929724] [2022-12-13 16:33:54,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:33:54,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:33:54,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:33:54,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:33:54,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:33:54,078 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:33:54,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:33:54,091 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-12-13 16:33:54,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:33:54,093 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 16:33:54,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:33:54,098 INFO L225 Difference]: With dead ends: 25 [2022-12-13 16:33:54,098 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:33:54,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:33:54,102 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:33:54,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:33:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:33:54,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:33:54,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:33:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:33:54,128 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:33:54,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:33:54,128 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:33:54,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:33:54,128 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:33:54,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:33:54,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:33:54,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:33:54,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 16:33:54,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 16:33:54,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:33:54,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:33:54,330 INFO L85 PathProgramCache]: Analyzing trace with hash 252582083, now seen corresponding path program 1 times [2022-12-13 16:33:54,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:33:54,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037534089] [2022-12-13 16:33:54,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:33:54,331 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 16:33:54,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:33:54,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 16:33:54,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 (3)] Waiting until timeout for monitored process [2022-12-13 16:33:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:33:54,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:33:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:33:54,458 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:33:54,458 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:33:54,459 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:33:54,461 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:33:54,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 (3)] Ended with exit code 0 [2022-12-13 16:33:54,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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 16:33:54,665 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:33:54,672 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:33:54,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:33:54 BoogieIcfgContainer [2022-12-13 16:33:54,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:33:54,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:33:54,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:33:54,696 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:33:54,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:33:53" (3/4) ... [2022-12-13 16:33:54,697 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:33:54,735 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:33:54,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:33:54,736 INFO L158 Benchmark]: Toolchain (without parser) took 2070.09ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 35.4MB in the beginning and 60.3MB in the end (delta: -24.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:33:54,737 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:33:54,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.95ms. Allocated memory is still 75.5MB. Free memory was 35.4MB in the beginning and 29.1MB in the end (delta: 6.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-12-13 16:33:54,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.03ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 29.1MB in the beginning and 63.3MB in the end (delta: -34.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-12-13 16:33:54,738 INFO L158 Benchmark]: Boogie Preprocessor took 23.12ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:33:54,738 INFO L158 Benchmark]: RCFGBuilder took 292.00ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 47.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:33:54,739 INFO L158 Benchmark]: TraceAbstraction took 867.38ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 62.4MB in the end (delta: -15.4MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-12-13 16:33:54,739 INFO L158 Benchmark]: Witness Printer took 40.46ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:33:54,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.95ms. Allocated memory is still 75.5MB. Free memory was 35.4MB in the beginning and 29.1MB in the end (delta: 6.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.03ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 29.1MB in the beginning and 63.3MB in the end (delta: -34.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.12ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.00ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 47.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 867.38ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 62.4MB in the end (delta: -15.4MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Witness Printer took 40.46ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). 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 - CounterExampleResult [Line: 1582]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_postinc_54e_badSink(data) [L1582] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:33:54,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7771a30e-aa5e-464c-91e8-619bd3ce6153/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)