./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:07:14,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:14,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:07:15,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:15,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:15,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:15,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:15,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:15,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:15,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:15,071 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:15,071 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:15,072 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:15,074 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:07:15,075 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:15,075 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:15,076 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:07:15,077 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:07:15,077 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:15,078 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:07:15,078 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:07:15,079 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:07:15,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:15,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:07:15,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:07:15,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:15,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:07:15,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:15,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:07:15,085 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:07:15,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:07:15,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:07:15,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:15,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:15,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:15,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:15,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:15,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:15,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:07:15,090 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:07:15,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:07:15,091 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:07:15,092 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:15,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:15,093 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 [2023-11-19 05:07:15,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:15,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:15,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:15,488 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:15,489 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:15,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-19 05:07:19,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:19,692 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:19,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-19 05:07:19,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data/dce60424f/4f87f5ea3aed4e15973ff3b6165a01b0/FLAGa41e4e63d [2023-11-19 05:07:19,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data/dce60424f/4f87f5ea3aed4e15973ff3b6165a01b0 [2023-11-19 05:07:19,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:19,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:19,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:19,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:19,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:19,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:19" (1/1) ... [2023-11-19 05:07:19,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dbbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:19, skipping insertion in model container [2023-11-19 05:07:19,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:19" (1/1) ... [2023-11-19 05:07:19,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:20,502 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:07:22,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:22,147 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:22,175 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:07:22,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:22,678 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:22,678 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:22,679 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:22,679 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:22,679 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:22,689 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:22,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22 WrapperNode [2023-11-19 05:07:22,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:22,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:22,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:22,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:22,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,787 INFO L138 Inliner]: procedures = 937, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2023-11-19 05:07:22,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:22,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:22,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:22,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:22,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:22,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:22,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:22,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:22,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (1/1) ... [2023-11-19 05:07:22,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:22,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:22,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:22,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:07:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:07:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:07:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:07:23,155 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:23,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:23,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:23,836 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:23,836 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:07:23,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:23 BoogieIcfgContainer [2023-11-19 05:07:23,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:23,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:23,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:23,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:23,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:19" (1/3) ... [2023-11-19 05:07:23,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1d9707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:23, skipping insertion in model container [2023-11-19 05:07:23,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:22" (2/3) ... [2023-11-19 05:07:23,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1d9707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:23, skipping insertion in model container [2023-11-19 05:07:23,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:23" (3/3) ... [2023-11-19 05:07:23,861 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-19 05:07:23,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:23,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:07:23,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:23,947 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@671078db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:23,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:07:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-19 05:07:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:07:23,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:23,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:23,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:07:23,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1869940429, now seen corresponding path program 1 times [2023-11-19 05:07:23,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:23,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054080211] [2023-11-19 05:07:23,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:23,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:07:24,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:24,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054080211] [2023-11-19 05:07:24,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054080211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:24,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:24,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 05:07:24,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678017131] [2023-11-19 05:07:24,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:24,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:07:24,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:24,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:07:24,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:24,455 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:07:24,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:24,501 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-19 05:07:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:07:24,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2023-11-19 05:07:24,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:24,512 INFO L225 Difference]: With dead ends: 14 [2023-11-19 05:07:24,513 INFO L226 Difference]: Without dead ends: 9 [2023-11-19 05:07:24,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:24,521 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:24,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:24,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-19 05:07:24,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-19 05:07:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2023-11-19 05:07:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-19 05:07:24,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2023-11-19 05:07:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:24,593 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-19 05:07:24,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:07:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-19 05:07:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:07:24,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:24,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:24,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:07:24,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:07:24,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:24,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2133578321, now seen corresponding path program 1 times [2023-11-19 05:07:24,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:24,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367100655] [2023-11-19 05:07:24,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:24,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:24,705 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:07:24,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284935818] [2023-11-19 05:07:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:24,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:24,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:24,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:07:24,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:07:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:24,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:07:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:25,011 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:07:25,013 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:07:25,014 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 05:07:25,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 05:07:25,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:25,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:25,231 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:07:25,236 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:25,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated [2023-11-19 05:07:25,262 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated [2023-11-19 05:07:25,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:25 BoogieIcfgContainer [2023-11-19 05:07:25,281 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:25,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:25,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:25,283 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:25,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:23" (3/4) ... [2023-11-19 05:07:25,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:07:25,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:25,289 INFO L158 Benchmark]: Toolchain (without parser) took 5511.17ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 104.9MB in the beginning and 135.0MB in the end (delta: -30.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-19 05:07:25,291 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:25,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2908.76ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 104.4MB in the beginning and 128.3MB in the end (delta: -23.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-11-19 05:07:25,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.16ms. Allocated memory is still 195.0MB. Free memory was 128.3MB in the beginning and 124.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:07:25,302 INFO L158 Benchmark]: Boogie Preprocessor took 41.03ms. Allocated memory is still 195.0MB. Free memory was 124.1MB in the beginning and 123.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:25,303 INFO L158 Benchmark]: RCFGBuilder took 1015.11ms. Allocated memory is still 195.0MB. Free memory was 123.0MB in the beginning and 80.0MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 05:07:25,303 INFO L158 Benchmark]: TraceAbstraction took 1431.86ms. Allocated memory is still 195.0MB. Free memory was 79.0MB in the beginning and 136.1MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:25,307 INFO L158 Benchmark]: Witness Printer took 5.79ms. Allocated memory is still 195.0MB. Free memory was 136.1MB in the beginning and 135.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:25,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2908.76ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 104.4MB in the beginning and 128.3MB in the end (delta: -23.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.16ms. Allocated memory is still 195.0MB. Free memory was 128.3MB in the beginning and 124.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.03ms. Allocated memory is still 195.0MB. Free memory was 124.1MB in the beginning and 123.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.11ms. Allocated memory is still 195.0MB. Free memory was 123.0MB in the beginning and 80.0MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1431.86ms. Allocated memory is still 195.0MB. Free memory was 79.0MB in the beginning and 136.1MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.79ms. Allocated memory is still 195.0MB. Free memory was 136.1MB in the beginning and 135.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1838. 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); [L1851] 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) [L1851] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_14_bad() [L1834] int data; [L1835] data = 0 [L1836] COND TRUE globalFive==5 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1838] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147418116, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147418116, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 [2023-11-19 05:07:25,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:07:28,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:28,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 05:07:28,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:28,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:29,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:29,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:29,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:29,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:29,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:29,015 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:29,015 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:29,016 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:29,018 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:29,019 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:29,019 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:29,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:29,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:07:29,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:29,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:07:29,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:29,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:07:29,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:07:29,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:07:29,027 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:07:29,027 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:07:29,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:07:29,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:07:29,029 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:29,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:29,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:07:29,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:29,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:29,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:29,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:29,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:07:29,033 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:07:29,034 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:07:29,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:07:29,035 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:29,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:29,036 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 [2023-11-19 05:07:29,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:29,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:29,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:29,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:29,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:29,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-19 05:07:33,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:33,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:33,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-19 05:07:33,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data/cee32de0f/dc4e1a4edb0541b9865b8ba25e5aa68b/FLAGe1024c9d0 [2023-11-19 05:07:33,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/data/cee32de0f/dc4e1a4edb0541b9865b8ba25e5aa68b [2023-11-19 05:07:33,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:33,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:33,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:33,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:33,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:33,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:33" (1/1) ... [2023-11-19 05:07:33,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8d382b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:33, skipping insertion in model container [2023-11-19 05:07:33,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:33" (1/1) ... [2023-11-19 05:07:34,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:34,682 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:07:36,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:36,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:36,415 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:07:36,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:37,107 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:37,108 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:37,108 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:37,108 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:37,108 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:37,117 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:37,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37 WrapperNode [2023-11-19 05:07:37,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:37,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:37,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:37,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:37,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,219 INFO L138 Inliner]: procedures = 942, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-19 05:07:37,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:37,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:37,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:37,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:37,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:37,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:37,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:37,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:37,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (1/1) ... [2023-11-19 05:07:37,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:37,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:37,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:37,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:07:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:07:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:07:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:07:37,623 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:37,625 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:41,502 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:41,510 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:41,511 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:07:41,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:41 BoogieIcfgContainer [2023-11-19 05:07:41,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:41,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:41,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:41,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:41,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:33" (1/3) ... [2023-11-19 05:07:41,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f853ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:41, skipping insertion in model container [2023-11-19 05:07:41,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:37" (2/3) ... [2023-11-19 05:07:41,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f853ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:41, skipping insertion in model container [2023-11-19 05:07:41,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:41" (3/3) ... [2023-11-19 05:07:41,530 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-19 05:07:41,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:41,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:07:41,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:41,630 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3bdeb7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:41,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:07:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 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) [2023-11-19 05:07:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:07:41,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:41,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:41,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:07:41,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:41,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2023-11-19 05:07:41,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:41,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047800619] [2023-11-19 05:07:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:41,671 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 [2023-11-19 05:07:41,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:41,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:41,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:41,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:07:41,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:07:41,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:41,939 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:41,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047800619] [2023-11-19 05:07:41,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047800619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:41,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:41,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:41,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705339845] [2023-11-19 05:07:41,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:41,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:41,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:41,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:41,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:41,988 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 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, 3 states have (on average 3.0) 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) [2023-11-19 05:07:42,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:42,017 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2023-11-19 05:07:42,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:42,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) 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 [2023-11-19 05:07:42,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:42,029 INFO L225 Difference]: With dead ends: 39 [2023-11-19 05:07:42,029 INFO L226 Difference]: Without dead ends: 16 [2023-11-19 05:07:42,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:42,038 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:42,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:42,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-19 05:07:42,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-19 05:07:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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) [2023-11-19 05:07:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2023-11-19 05:07:42,074 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2023-11-19 05:07:42,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:42,075 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2023-11-19 05:07:42,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) 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) [2023-11-19 05:07:42,075 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-19 05:07:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 05:07:42,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:42,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:42,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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)] Ended with exit code 0 [2023-11-19 05:07:42,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:42,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:07:42,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2023-11-19 05:07:42,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:42,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908694050] [2023-11-19 05:07:42,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:42,289 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 [2023-11-19 05:07:42,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:42,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:42,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:42,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:07:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:42,564 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-19 05:07:42,565 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:07:42,567 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 05:07:42,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 05:07:42,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:42,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:42,780 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:07:42,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:42,811 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet180 could not be translated [2023-11-19 05:07:42,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated [2023-11-19 05:07:42,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated [2023-11-19 05:07:42,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated [2023-11-19 05:07:42,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated [2023-11-19 05:07:42,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:42 BoogieIcfgContainer [2023-11-19 05:07:42,826 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:42,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:42,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:42,827 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:42,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:41" (3/4) ... [2023-11-19 05:07:42,829 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 05:07:42,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated [2023-11-19 05:07:42,850 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated [2023-11-19 05:07:42,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet180 could not be translated [2023-11-19 05:07:42,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated [2023-11-19 05:07:42,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated [2023-11-19 05:07:42,908 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:07:42,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:42,909 INFO L158 Benchmark]: Toolchain (without parser) took 8951.13ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 48.6MB in the beginning and 43.0MB in the end (delta: 5.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:42,910 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 77.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:42,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3156.60ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 48.5MB in the beginning and 64.3MB in the end (delta: -15.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:42,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.44ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 60.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:07:42,912 INFO L158 Benchmark]: Boogie Preprocessor took 76.64ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:42,912 INFO L158 Benchmark]: RCFGBuilder took 4217.21ms. Allocated memory is still 98.6MB. Free memory was 58.1MB in the beginning and 44.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:42,913 INFO L158 Benchmark]: TraceAbstraction took 1307.40ms. Allocated memory is still 98.6MB. Free memory was 43.4MB in the beginning and 45.8MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:42,913 INFO L158 Benchmark]: Witness Printer took 81.70ms. Allocated memory is still 98.6MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:07:42,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 77.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3156.60ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 48.5MB in the beginning and 64.3MB in the end (delta: -15.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.44ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 60.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.64ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4217.21ms. Allocated memory is still 98.6MB. Free memory was 58.1MB in the beginning and 44.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1307.40ms. Allocated memory is still 98.6MB. Free memory was 43.4MB in the beginning and 45.8MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.70ms. Allocated memory is still 98.6MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet180 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet180 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1843]: 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] [L1851] 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) [L1851] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_14_bad() [L1834] int data; [L1835] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE globalFive==5 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 2 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! [2023-11-19 05:07:42,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b480e8d5-f808-4508-895f-4ec289aa0ba7/bin/utaipan-verify-t7M7D8N6sZ/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)