./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:16,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:16,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:11:16,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:16,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:16,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:16,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:16,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:16,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:16,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:16,478 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:16,479 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:16,479 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:16,480 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:16,480 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:16,481 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:16,481 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:16,482 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:16,482 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:16,483 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:16,484 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:16,484 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:16,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:16,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:16,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:16,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:16,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:16,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:16,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:16,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:11:16,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:11:16,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:16,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:16,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:16,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:16,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:16,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:16,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:16,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:16,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:16,491 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:16,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:16,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:16,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:16,493 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:16,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:16,493 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_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 [2023-11-23 21:11:16,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:16,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:16,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:16,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:16,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:16,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-23 21:11:20,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:20,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:20,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-23 21:11:20,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data/4c15ca0a8/4700fa7d5c5240d4a586c2ddfae34056/FLAG2c8ed173b [2023-11-23 21:11:20,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data/4c15ca0a8/4700fa7d5c5240d4a586c2ddfae34056 [2023-11-23 21:11:20,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:20,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:20,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:20,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:20,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:20,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:20" (1/1) ... [2023-11-23 21:11:20,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cacab88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:20, skipping insertion in model container [2023-11-23 21:11:20,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:20" (1/1) ... [2023-11-23 21:11:20,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:21,325 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:11:22,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:23,002 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:23,105 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:11:23,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:23,499 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:23,499 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:23,499 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:23,500 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:23,500 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:23,507 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:23,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23 WrapperNode [2023-11-23 21:11:23,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:23,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:23,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:23,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:23,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,619 INFO L138 Inliner]: procedures = 937, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2023-11-23 21:11:23,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:23,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:23,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:23,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:23,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:23,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:23,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:23,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:23,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (1/1) ... [2023-11-23 21:11:23,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:23,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:23,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:23,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:11:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:11:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:11:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:23,957 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:23,959 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:24,163 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:24,456 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:24,457 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:11:24,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:24 BoogieIcfgContainer [2023-11-23 21:11:24,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:24,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:24,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:24,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:24,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:20" (1/3) ... [2023-11-23 21:11:24,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97d70a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:24, skipping insertion in model container [2023-11-23 21:11:24,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:23" (2/3) ... [2023-11-23 21:11:24,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97d70a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:24, skipping insertion in model container [2023-11-23 21:11:24,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:24" (3/3) ... [2023-11-23 21:11:24,471 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-23 21:11:24,490 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:24,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:11:24,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:24,537 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;@390368f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:24,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:11:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:11:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:11:24,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:24,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:24,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:11:24,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:24,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1537523186, now seen corresponding path program 1 times [2023-11-23 21:11:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:24,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987571645] [2023-11-23 21:11:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:11:24,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:24,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987571645] [2023-11-23 21:11:24,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987571645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:24,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:24,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 21:11:24,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162661771] [2023-11-23 21:11:24,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:24,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:11:24,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:24,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:11:24,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:24,886 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:11:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:24,924 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-23 21:11:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:11:24,926 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2023-11-23 21:11:24,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:24,933 INFO L225 Difference]: With dead ends: 14 [2023-11-23 21:11:24,933 INFO L226 Difference]: Without dead ends: 9 [2023-11-23 21:11:24,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:24,940 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:24,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:11:24,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-23 21:11:24,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-23 21:11:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:11:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-23 21:11:24,975 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2023-11-23 21:11:24,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:24,976 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-23 21:11:24,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:11:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-23 21:11:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:11:24,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:24,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:24,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:11:24,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:11:24,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:24,978 INFO L85 PathProgramCache]: Analyzing trace with hash 418578640, now seen corresponding path program 1 times [2023-11-23 21:11:24,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:24,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708222145] [2023-11-23 21:11:24,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:24,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:25,016 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:11:25,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109869782] [2023-11-23 21:11:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:25,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:25,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:25,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:11:25,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:11:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:25,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:25,363 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:11:25,364 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:25,365 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 21:11:25,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 21:11:25,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:11:25,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:25,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:11:25,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:25,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated [2023-11-23 21:11:25,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated [2023-11-23 21:11:25,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:25 BoogieIcfgContainer [2023-11-23 21:11:25,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:25,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:25,626 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:25,627 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:25,627 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:24" (3/4) ... [2023-11-23 21:11:25,629 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:11:25,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:25,632 INFO L158 Benchmark]: Toolchain (without parser) took 5039.87ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 115.5MB in the beginning and 100.4MB in the end (delta: 15.1MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-11-23 21:11:25,638 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 92.7MB in the beginning and 92.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:25,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2909.65ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 115.5MB in the beginning and 102.5MB in the end (delta: 13.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-11-23 21:11:25,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.79ms. Allocated memory is still 186.6MB. Free memory was 101.4MB in the beginning and 98.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:25,642 INFO L158 Benchmark]: Boogie Preprocessor took 65.06ms. Allocated memory is still 186.6MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:25,643 INFO L158 Benchmark]: RCFGBuilder took 773.64ms. Allocated memory is still 186.6MB. Free memory was 96.2MB in the beginning and 143.3MB in the end (delta: -47.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 21:11:25,643 INFO L158 Benchmark]: TraceAbstraction took 1163.28ms. Allocated memory is still 186.6MB. Free memory was 143.3MB in the beginning and 101.0MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 21:11:25,646 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 186.6MB. Free memory was 101.0MB in the beginning and 100.4MB in the end (delta: 652.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:25,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 92.7MB in the beginning and 92.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2909.65ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 115.5MB in the beginning and 102.5MB in the end (delta: 13.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.79ms. Allocated memory is still 186.6MB. Free memory was 101.4MB in the beginning and 98.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.06ms. Allocated memory is still 186.6MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.64ms. Allocated memory is still 186.6MB. Free memory was 96.2MB in the beginning and 143.3MB in the end (delta: -47.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1163.28ms. Allocated memory is still 186.6MB. Free memory was 143.3MB in the beginning and 101.0MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 186.6MB. Free memory was 101.0MB in the beginning and 100.4MB in the end (delta: 652.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite193 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1838. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1851] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1851] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_14_bad() [L1834] int data; [L1835] data = 0 [L1836] COND TRUE globalFive==5 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1838] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:11:25,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:28,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:28,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:11:28,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:28,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:28,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:28,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:28,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:28,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:28,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:28,426 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:28,426 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:28,427 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:28,429 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:28,429 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:28,430 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:28,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:28,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:28,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:28,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:28,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:28,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:28,435 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:28,435 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:28,436 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:11:28,436 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:28,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:11:28,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:28,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:28,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:28,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:28,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:28,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:28,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:28,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:28,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:28,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:28,442 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:28,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:28,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:28,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:28,445 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:28,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:28,446 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_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd090abde0bd84ac8cd55460eee999409836b9ecc91bd20ed94dfb8b457e4a3 [2023-11-23 21:11:28,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:28,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:28,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:28,908 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:28,908 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:28,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-23 21:11:32,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:32,778 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:32,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-23 21:11:32,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data/1aa49903b/840a6f5ab639484899bbd63ee3912122/FLAGf07aad3c7 [2023-11-23 21:11:32,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/data/1aa49903b/840a6f5ab639484899bbd63ee3912122 [2023-11-23 21:11:32,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:32,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:32,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:32,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:32,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:32,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:32" (1/1) ... [2023-11-23 21:11:32,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b752128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:32, skipping insertion in model container [2023-11-23 21:11:32,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:32" (1/1) ... [2023-11-23 21:11:32,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:33,551 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:11:34,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:34,632 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:34,667 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:11:34,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:35,057 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:35,058 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:35,058 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:35,058 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:35,058 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:35,066 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:35,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35 WrapperNode [2023-11-23 21:11:35,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:35,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:35,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:35,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:35,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,166 INFO L138 Inliner]: procedures = 942, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-23 21:11:35,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:35,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:35,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:35,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:35,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:35,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:35,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:35,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:35,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (1/1) ... [2023-11-23 21:11:35,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:35,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:35,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:35,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:11:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:11:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:11:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:11:35,461 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:35,463 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:39,143 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:39,176 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:39,177 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:11:39,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:39 BoogieIcfgContainer [2023-11-23 21:11:39,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:39,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:39,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:39,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:39,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:32" (1/3) ... [2023-11-23 21:11:39,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c54862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:39, skipping insertion in model container [2023-11-23 21:11:39,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:35" (2/3) ... [2023-11-23 21:11:39,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c54862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:39, skipping insertion in model container [2023-11-23 21:11:39,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:39" (3/3) ... [2023-11-23 21:11:39,187 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_14_bad.i [2023-11-23 21:11:39,208 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:39,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:11:39,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:39,259 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;@1b26575a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:39,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:11:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 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) [2023-11-23 21:11:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:11:39,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:39,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:39,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:11:39,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:39,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2145058738, now seen corresponding path program 1 times [2023-11-23 21:11:39,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:39,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533766518] [2023-11-23 21:11:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:39,306 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 [2023-11-23 21:11:39,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:39,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:11:39,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:11:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:39,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:11:39,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:11:39,506 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:39,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:39,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533766518] [2023-11-23 21:11:39,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533766518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:39,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:39,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:39,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715357382] [2023-11-23 21:11:39,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:39,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:39,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:39,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:39,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:39,547 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-23 21:11:39,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:39,743 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-11-23 21:11:39,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:39,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2023-11-23 21:11:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:39,753 INFO L225 Difference]: With dead ends: 40 [2023-11-23 21:11:39,753 INFO L226 Difference]: Without dead ends: 15 [2023-11-23 21:11:39,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:39,760 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:39,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 39 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:11:39,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-23 21:11:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-23 21:11:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) 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) [2023-11-23 21:11:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-11-23 21:11:39,797 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2023-11-23 21:11:39,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:39,798 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-23 21:11:39,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-23 21:11:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-23 21:11:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:11:39,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:39,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:39,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:11:40,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:11:40,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:11:40,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:40,006 INFO L85 PathProgramCache]: Analyzing trace with hash -191470291, now seen corresponding path program 1 times [2023-11-23 21:11:40,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:40,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507992903] [2023-11-23 21:11:40,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:40,007 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 [2023-11-23 21:11:40,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:40,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:11:40,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:11:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:40,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:40,222 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:11:40,222 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:40,224 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 21:11:40,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 21:11:40,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:11:40,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:11:40,435 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:11:40,439 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:40,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet180 could not be translated [2023-11-23 21:11:40,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated [2023-11-23 21:11:40,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated [2023-11-23 21:11:40,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated [2023-11-23 21:11:40,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated [2023-11-23 21:11:40,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:40 BoogieIcfgContainer [2023-11-23 21:11:40,473 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:40,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:40,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:40,474 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:40,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:39" (3/4) ... [2023-11-23 21:11:40,475 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:11:40,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated [2023-11-23 21:11:40,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated [2023-11-23 21:11:40,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet180 could not be translated [2023-11-23 21:11:40,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated [2023-11-23 21:11:40,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated [2023-11-23 21:11:40,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:11:40,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:40,541 INFO L158 Benchmark]: Toolchain (without parser) took 7699.21ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 48.9MB in the beginning and 44.5MB in the end (delta: 4.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-23 21:11:40,541 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:40,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2221.18ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 48.7MB in the beginning and 28.7MB in the end (delta: 20.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-23 21:11:40,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.77ms. Allocated memory is still 94.4MB. Free memory was 28.7MB in the beginning and 62.1MB in the end (delta: -33.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-23 21:11:40,544 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 94.4MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:40,545 INFO L158 Benchmark]: RCFGBuilder took 3958.40ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 43.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:11:40,545 INFO L158 Benchmark]: TraceAbstraction took 1292.94ms. Allocated memory is still 94.4MB. Free memory was 43.3MB in the beginning and 47.2MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:40,546 INFO L158 Benchmark]: Witness Printer took 66.04ms. Allocated memory is still 94.4MB. Free memory was 47.2MB in the beginning and 44.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:40,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2221.18ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 48.7MB in the beginning and 28.7MB in the end (delta: 20.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.77ms. Allocated memory is still 94.4MB. Free memory was 28.7MB in the beginning and 62.1MB in the end (delta: -33.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 94.4MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3958.40ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 43.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1292.94ms. Allocated memory is still 94.4MB. Free memory was 43.3MB in the beginning and 47.2MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.04ms. Allocated memory is still 94.4MB. Free memory was 47.2MB in the beginning and 44.5MB in the end (delta: 2.8MB). 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~nondet180 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet183 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet182 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet180 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet181 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite187 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1843]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1851] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1851] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_14_bad() [L1834] int data; [L1835] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE globalFive==5 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 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! [2023-11-23 21:11:40,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bea0f1e-10ea-4663-b6da-8cbca7c5df6f/bin/utaipan-verify-mE87zJ7Ire/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)