./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 eb073faf57a4756868c229f5f03ca76c5e4ccf6548c7f4efa258167503d510ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:14,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:14,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:05:14,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:14,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:14,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:14,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:14,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:14,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:14,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:14,429 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:14,430 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:14,430 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:14,432 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:05:14,433 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:14,433 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:14,433 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:05:14,434 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:05:14,434 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:14,436 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:05:14,437 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:05:14,437 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:05:14,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:14,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:05:14,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:05:14,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:14,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:05:14,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:14,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:05:14,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:05:14,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:05:14,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:05:14,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:14,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:14,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:14,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:14,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:14,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:14,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:05:14,445 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:05:14,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:05:14,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:05:14,446 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:14,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:14,446 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_b2666d91-6784-43e9-a1c5-51fcaab93b91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb073faf57a4756868c229f5f03ca76c5e4ccf6548c7f4efa258167503d510ea [2023-11-19 05:05:14,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:14,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:14,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:14,822 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:14,823 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:14,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_21_bad.i [2023-11-19 05:05:17,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:18,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:18,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_21_bad.i [2023-11-19 05:05:18,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data/8c427eb9e/59d61433416b4a15baf2ad08272f65a4/FLAG1721ca2d1 [2023-11-19 05:05:18,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data/8c427eb9e/59d61433416b4a15baf2ad08272f65a4 [2023-11-19 05:05:18,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:18,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:18,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:18,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:18,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:18,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:18" (1/1) ... [2023-11-19 05:05:18,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e76e66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:18, skipping insertion in model container [2023-11-19 05:05:18,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:18" (1/1) ... [2023-11-19 05:05:18,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:18,790 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:19,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:19,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:05:19,395 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:19,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:19,742 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:19,742 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:19,742 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:19,743 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:19,743 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:19,751 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:05:19,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19 WrapperNode [2023-11-19 05:05:19,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:19,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:19,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:05:19,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:05:19,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,824 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2023-11-19 05:05:19,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:19,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:05:19,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:05:19,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:05:19,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:05:19,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:05:19,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:05:19,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:05:19,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (1/1) ... [2023-11-19 05:05:19,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:19,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:19,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:05:19,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:05:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:05:20,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:05:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:05:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:05:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:05:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:05:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:05:20,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:05:20,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:05:20,596 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:05:20,885 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:05:20,885 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:05:20,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:20 BoogieIcfgContainer [2023-11-19 05:05:20,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:05:20,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:05:20,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:05:20,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:05:20,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:05:18" (1/3) ... [2023-11-19 05:05:20,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d93fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:20, skipping insertion in model container [2023-11-19 05:05:20,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:19" (2/3) ... [2023-11-19 05:05:20,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d93fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:20, skipping insertion in model container [2023-11-19 05:05:20,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:20" (3/3) ... [2023-11-19 05:05:20,910 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_21_bad.i [2023-11-19 05:05:20,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:05:20,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:05:21,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:05:21,020 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;@126342f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:05:21,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:05:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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 05:05:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:05:21,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:21,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:21,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:05:21,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash 519505355, now seen corresponding path program 1 times [2023-11-19 05:05:21,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:05:21,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092647150] [2023-11-19 05:05:21,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:21,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:05:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:21,467 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 05:05:21,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:05:21,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092647150] [2023-11-19 05:05:21,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092647150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:21,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:21,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:05:21,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060590691] [2023-11-19 05:05:21,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:21,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:05:21,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:05:21,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:05:21,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:05:21,510 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 05:05:21,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:21,566 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-19 05:05:21,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:05:21,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) Word has length 8 [2023-11-19 05:05:21,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:21,575 INFO L225 Difference]: With dead ends: 16 [2023-11-19 05:05:21,576 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 05:05:21,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:05:21,582 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:21,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 14 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:05:21,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 05:05:21,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-19 05:05:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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 05:05:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2023-11-19 05:05:21,621 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 8 [2023-11-19 05:05:21,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:21,621 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2023-11-19 05:05:21,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 05:05:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-11-19 05:05:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 05:05:21,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:21,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:21,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:05:21,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:05:21,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:21,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1075203052, now seen corresponding path program 1 times [2023-11-19 05:05:21,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:05:21,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140550522] [2023-11-19 05:05:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:21,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:05:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:21,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:05:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:22,024 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:05:22,025 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:05:22,027 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 05:05:22,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 05:05:22,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:05:22,034 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:05:22,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:05:22,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:05:22 BoogieIcfgContainer [2023-11-19 05:05:22,066 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:05:22,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:05:22,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:05:22,068 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:05:22,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:20" (3/4) ... [2023-11-19 05:05:22,071 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:05:22,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:05:22,073 INFO L158 Benchmark]: Toolchain (without parser) took 3770.52ms. Allocated memory was 192.9MB in the beginning and 270.5MB in the end (delta: 77.6MB). Free memory was 139.4MB in the beginning and 212.3MB in the end (delta: -72.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-19 05:05:22,074 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 192.9MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:22,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1448.49ms. Allocated memory was 192.9MB in the beginning and 270.5MB in the end (delta: 77.6MB). Free memory was 139.2MB in the beginning and 210.9MB in the end (delta: -71.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:22,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.83ms. Allocated memory is still 270.5MB. Free memory was 210.9MB in the beginning and 207.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:22,076 INFO L158 Benchmark]: Boogie Preprocessor took 33.15ms. Allocated memory is still 270.5MB. Free memory was 207.7MB in the beginning and 206.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:22,077 INFO L158 Benchmark]: RCFGBuilder took 1032.87ms. Allocated memory is still 270.5MB. Free memory was 206.7MB in the beginning and 167.9MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 05:05:22,078 INFO L158 Benchmark]: TraceAbstraction took 1168.41ms. Allocated memory is still 270.5MB. Free memory was 167.9MB in the beginning and 212.3MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:22,078 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 270.5MB. Free memory is still 212.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:22,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 192.9MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1448.49ms. Allocated memory was 192.9MB in the beginning and 270.5MB in the end (delta: 77.6MB). Free memory was 139.2MB in the beginning and 210.9MB in the end (delta: -71.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.83ms. Allocated memory is still 270.5MB. Free memory was 210.9MB in the beginning and 207.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.15ms. Allocated memory is still 270.5MB. Free memory was 207.7MB in the beginning and 206.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1032.87ms. Allocated memory is still 270.5MB. Free memory was 206.7MB in the beginning and 167.9MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1168.41ms. Allocated memory is still 270.5MB. Free memory was 167.9MB in the beginning and 212.3MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 270.5MB. Free memory is still 212.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1564. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=5368709121, argc=5368709121, argv={5368709123:5368709122}, argv={5368709123:5368709122}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 05:05:22,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 eb073faf57a4756868c229f5f03ca76c5e4ccf6548c7f4efa258167503d510ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:25,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:25,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 05:05:25,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:25,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:25,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:25,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:25,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:25,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:25,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:25,285 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:25,285 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:25,286 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:25,288 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:25,289 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:25,289 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:25,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:25,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:05:25,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:25,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:05:25,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:25,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:05:25,294 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:05:25,295 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:05:25,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:05:25,296 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:05:25,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:05:25,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:05:25,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:25,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:25,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:05:25,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:25,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:25,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:25,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:25,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:05:25,303 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:05:25,303 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:05:25,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:05:25,305 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:25,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:25,306 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_b2666d91-6784-43e9-a1c5-51fcaab93b91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb073faf57a4756868c229f5f03ca76c5e4ccf6548c7f4efa258167503d510ea [2023-11-19 05:05:25,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:25,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:25,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:25,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:25,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:25,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_21_bad.i [2023-11-19 05:05:29,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:29,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:29,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_21_bad.i [2023-11-19 05:05:29,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data/b2ef61aea/c6f14b62dbbd4d2fb6bc96b2b8de1529/FLAGfecf409d4 [2023-11-19 05:05:29,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/data/b2ef61aea/c6f14b62dbbd4d2fb6bc96b2b8de1529 [2023-11-19 05:05:29,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:29,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:29,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:29,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:29,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:29,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:29" (1/1) ... [2023-11-19 05:05:29,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ec602a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:29, skipping insertion in model container [2023-11-19 05:05:29,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:29" (1/1) ... [2023-11-19 05:05:30,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:30,567 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:31,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:31,213 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:05:31,264 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:31,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:31,578 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:31,579 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:31,579 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:31,579 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:31,579 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:31,588 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:05:31,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31 WrapperNode [2023-11-19 05:05:31,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:31,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:31,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:05:31,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:05:31,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,690 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-19 05:05:31,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:31,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:05:31,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:05:31,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:05:31,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:05:31,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:05:31,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:05:31,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:05:31,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:31,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:05:31,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:05:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:05:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:05:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:05:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:05:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:05:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:05:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:05:31,965 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:05:31,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:05:32,119 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:05:32,128 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:05:32,129 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:05:32,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:32 BoogieIcfgContainer [2023-11-19 05:05:32,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:05:32,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:05:32,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:05:32,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:05:32,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:05:29" (1/3) ... [2023-11-19 05:05:32,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a84ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:32, skipping insertion in model container [2023-11-19 05:05:32,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (2/3) ... [2023-11-19 05:05:32,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a84ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:32, skipping insertion in model container [2023-11-19 05:05:32,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:32" (3/3) ... [2023-11-19 05:05:32,142 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_21_bad.i [2023-11-19 05:05:32,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:05:32,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:05:32,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:05:32,231 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;@520d809b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:05:32,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:05:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 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 05:05:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 05:05:32,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:32,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:32,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:05:32,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:32,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160033, now seen corresponding path program 1 times [2023-11-19 05:05:32,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:32,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445985448] [2023-11-19 05:05:32,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:32,279 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 05:05:32,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:32,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 05:05:32,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 05:05:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:32,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:05:32,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:32,553 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 05:05:32,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:32,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:32,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445985448] [2023-11-19 05:05:32,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445985448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:32,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:32,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:05:32,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447777501] [2023-11-19 05:05:32,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:32,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:05:32,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:32,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:05:32,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:05:32,614 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 05:05:32,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:32,663 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-19 05:05:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:05:32,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2023-11-19 05:05:32,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:32,674 INFO L225 Difference]: With dead ends: 25 [2023-11-19 05:05:32,675 INFO L226 Difference]: Without dead ends: 15 [2023-11-19 05:05:32,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 05:05:32,683 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:32,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 44 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:05:32,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-19 05:05:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-19 05:05:32,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 05:05:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-11-19 05:05:32,725 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2023-11-19 05:05:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:32,725 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-19 05:05:32,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 05:05:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-19 05:05:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 05:05:32,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:32,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:32,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:05:32,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 05:05:32,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:05:32,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:32,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1312189892, now seen corresponding path program 1 times [2023-11-19 05:05:32,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:32,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779577562] [2023-11-19 05:05:32,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:32,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:32,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 05:05:32,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 05:05:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:33,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:05:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:33,136 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-19 05:05:33,138 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:05:33,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 05:05:33,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 05:05:33,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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)] Ended with exit code 0 [2023-11-19 05:05:33,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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 05:05:33,351 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:05:33,355 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:05:33,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-19 05:05:33,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-19 05:05:33,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 05:05:33,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-19 05:05:33,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-19 05:05:33,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:05:33 BoogieIcfgContainer [2023-11-19 05:05:33,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:05:33,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:05:33,405 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:05:33,405 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:05:33,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:32" (3/4) ... [2023-11-19 05:05:33,406 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 05:05:33,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-19 05:05:33,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-19 05:05:33,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 05:05:33,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-19 05:05:33,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-19 05:05:33,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:05:33,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:05:33,481 INFO L158 Benchmark]: Toolchain (without parser) took 3552.43ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 49.3MB in the end (delta: 22.0MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-19 05:05:33,481 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:33,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1656.64ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 68.3MB in the end (delta: 2.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:33,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.52ms. Allocated memory is still 98.6MB. Free memory was 68.3MB in the beginning and 65.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:05:33,483 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:33,483 INFO L158 Benchmark]: RCFGBuilder took 403.96ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 49.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:05:33,484 INFO L158 Benchmark]: TraceAbstraction took 1267.88ms. Allocated memory is still 98.6MB. Free memory was 48.9MB in the beginning and 51.8MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:33,484 INFO L158 Benchmark]: Witness Printer took 75.45ms. Allocated memory is still 98.6MB. Free memory was 51.8MB in the beginning and 49.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:33,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1656.64ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 68.3MB in the end (delta: 2.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.52ms. Allocated memory is still 98.6MB. Free memory was 68.3MB in the beginning and 65.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.96ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 49.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1267.88ms. Allocated memory is still 98.6MB. Free memory was 48.9MB in the beginning and 51.8MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.45ms. Allocated memory is still 98.6MB. Free memory was 51.8MB in the beginning and 49.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 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: 1555]: 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); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] 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, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 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 05:05:33,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2666d91-6784-43e9-a1c5-51fcaab93b91/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)