./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:29,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:30,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:12:30,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:30,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:30,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:30,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:30,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:30,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:30,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:30,129 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:30,130 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:30,131 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:30,133 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:30,133 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:30,134 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:30,135 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:30,135 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:30,136 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:30,136 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:30,137 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:30,137 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:30,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:30,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:30,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:30,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:30,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:30,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:30,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:30,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:12:30,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:12:30,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:30,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:30,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:30,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:30,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:30,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:30,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:30,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:30,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:30,147 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:30,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:30,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:30,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:30,149 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:30,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:30,150 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_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c [2023-11-23 21:12:30,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:30,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:30,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:30,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:30,499 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:30,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i [2023-11-23 21:12:33,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:34,072 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:34,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i [2023-11-23 21:12:34,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data/630f2b64b/9e761704371949ad8155bb99b89d3636/FLAGbab3632a4 [2023-11-23 21:12:34,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data/630f2b64b/9e761704371949ad8155bb99b89d3636 [2023-11-23 21:12:34,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:34,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:34,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:34,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:34,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:34,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:34" (1/1) ... [2023-11-23 21:12:34,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a09eb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:34, skipping insertion in model container [2023-11-23 21:12:34,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:34" (1/1) ... [2023-11-23 21:12:34,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:34,702 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:12:35,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:35,357 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:35,382 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:12:35,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:35,622 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:35,622 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:35,622 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:35,623 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:35,623 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:35,631 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:35,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35 WrapperNode [2023-11-23 21:12:35,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:35,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:35,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:35,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:35,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,742 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2023-11-23 21:12:35,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:35,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:35,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:35,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:35,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:35,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:35,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:35,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:35,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:35,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:35,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:35,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:12:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:12:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:36,085 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:36,089 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:36,330 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:36,651 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:36,651 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:12:36,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:36 BoogieIcfgContainer [2023-11-23 21:12:36,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:36,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:36,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:36,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:36,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:34" (1/3) ... [2023-11-23 21:12:36,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4d24f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:36, skipping insertion in model container [2023-11-23 21:12:36,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (2/3) ... [2023-11-23 21:12:36,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4d24f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:36, skipping insertion in model container [2023-11-23 21:12:36,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:36" (3/3) ... [2023-11-23 21:12:36,666 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_63_bad.i [2023-11-23 21:12:36,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:36,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:12:36,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:36,748 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;@446f71c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:36,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:12:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 21:12:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 21:12:36,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:36,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 21:12:36,759 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:12:36,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:36,764 INFO L85 PathProgramCache]: Analyzing trace with hash -216802539, now seen corresponding path program 1 times [2023-11-23 21:12:36,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:36,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760650141] [2023-11-23 21:12:36,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:36,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:37,573 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 21:12:37,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:37,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760650141] [2023-11-23 21:12:37,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760650141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:37,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:37,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:12:37,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952662122] [2023-11-23 21:12:37,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:37,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:37,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:37,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:37,613 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 21:12:37,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:37,658 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-23 21:12:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:37,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2023-11-23 21:12:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:37,668 INFO L225 Difference]: With dead ends: 12 [2023-11-23 21:12:37,668 INFO L226 Difference]: Without dead ends: 8 [2023-11-23 21:12:37,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:37,675 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:37,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:12:37,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-23 21:12:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-23 21:12:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 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 21:12:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-23 21:12:37,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-23 21:12:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:37,712 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-23 21:12:37,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 21:12:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-23 21:12:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:12:37,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:37,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:37,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:12:37,715 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:12:37,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:37,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1869056004, now seen corresponding path program 1 times [2023-11-23 21:12:37,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:37,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557364316] [2023-11-23 21:12:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:37,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:37,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:12:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:38,000 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:12:38,001 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:12:38,003 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 21:12:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 21:12:38,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:12:38,009 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:12:38,013 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:12:38,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:38 BoogieIcfgContainer [2023-11-23 21:12:38,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:38,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:38,043 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:38,043 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:38,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:36" (3/4) ... [2023-11-23 21:12:38,046 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:12:38,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:38,048 INFO L158 Benchmark]: Toolchain (without parser) took 3920.50ms. Allocated memory is still 169.9MB. Free memory was 129.7MB in the beginning and 92.9MB in the end (delta: 36.8MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-23 21:12:38,049 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:38,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.48ms. Allocated memory is still 169.9MB. Free memory was 129.7MB in the beginning and 107.7MB in the end (delta: 21.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-11-23 21:12:38,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.43ms. Allocated memory is still 169.9MB. Free memory was 107.7MB in the beginning and 104.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:38,050 INFO L158 Benchmark]: Boogie Preprocessor took 61.09ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:38,051 INFO L158 Benchmark]: RCFGBuilder took 844.24ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 123.0MB in the end (delta: -20.3MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-23 21:12:38,051 INFO L158 Benchmark]: TraceAbstraction took 1384.93ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 92.9MB in the end (delta: 29.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-23 21:12:38,052 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 169.9MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:38,055 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 121.6MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.48ms. Allocated memory is still 169.9MB. Free memory was 129.7MB in the beginning and 107.7MB in the end (delta: 21.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.43ms. Allocated memory is still 169.9MB. Free memory was 107.7MB in the beginning and 104.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.09ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.24ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 123.0MB in the end (delta: -20.3MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1384.93ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 92.9MB in the end (delta: 29.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 169.9MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483651, argc=2147483651, argv={2147483653:2147483652}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={5:0}, dataPtr={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:12:38,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:40,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:40,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:12:40,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:40,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:41,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:41,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:41,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:41,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:41,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:41,010 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:41,010 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:41,011 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:41,012 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:41,013 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:41,013 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:41,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:41,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:41,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:41,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:41,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:41,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:41,018 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:12:41,018 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:12:41,018 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:12:41,019 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:12:41,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:12:41,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:41,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:41,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:41,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:12:41,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:41,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:41,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:41,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:41,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:41,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:41,024 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:12:41,024 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:41,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:41,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:41,025 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:41,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:41,026 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_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f4ab1512c95e3da19a9594271f58b8d4cb0def9d1be37604e26a18ea64f07c [2023-11-23 21:12:41,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:41,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:41,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:41,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:41,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:41,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i [2023-11-23 21:12:44,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:45,292 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:45,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_63_bad.i [2023-11-23 21:12:45,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data/c4a1593be/f8d8258850384f18b6ed14bf380ec7e6/FLAG3ba588053 [2023-11-23 21:12:45,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/data/c4a1593be/f8d8258850384f18b6ed14bf380ec7e6 [2023-11-23 21:12:45,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:45,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:45,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:45,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:45,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:45,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381e9d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:45, skipping insertion in model container [2023-11-23 21:12:45,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:45" (1/1) ... [2023-11-23 21:12:45,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:45,882 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:12:46,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:46,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:46,424 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:12:46,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:46,692 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:46,692 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:46,692 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:46,692 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:46,692 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:46,700 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:46,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46 WrapperNode [2023-11-23 21:12:46,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:46,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:46,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:46,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:46,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,780 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-23 21:12:46,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:46,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:46,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:46,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:46,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:46,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:46,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:46,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:46,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (1/1) ... [2023-11-23 21:12:46,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:46,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:46,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:12:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:12:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:12:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:12:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:12:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:12:47,122 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:47,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:47,301 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:47,335 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:47,336 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:12:47,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:47 BoogieIcfgContainer [2023-11-23 21:12:47,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:47,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:47,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:47,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:47,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:45" (1/3) ... [2023-11-23 21:12:47,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f34f1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:47, skipping insertion in model container [2023-11-23 21:12:47,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:46" (2/3) ... [2023-11-23 21:12:47,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f34f1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:47, skipping insertion in model container [2023-11-23 21:12:47,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:47" (3/3) ... [2023-11-23 21:12:47,346 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_63_bad.i [2023-11-23 21:12:47,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:47,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:12:47,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:47,418 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;@7f0cf162, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:47,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:12:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 21:12:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:12:47,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:47,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:47,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:12:47,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1498898239, now seen corresponding path program 1 times [2023-11-23 21:12:47,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:47,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145268571] [2023-11-23 21:12:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:47,468 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 21:12:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:47,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:47,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:47,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:12:47,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:47,718 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 21:12:47,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:47,722 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:47,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145268571] [2023-11-23 21:12:47,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145268571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:47,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:47,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 21:12:47,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472442999] [2023-11-23 21:12:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:47,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:12:47,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:47,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:12:47,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:47,768 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 8.0) internal successors, (8), 2 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 21:12:47,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:47,814 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-23 21:12:47,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:12:47,817 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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 21:12:47,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:47,848 INFO L225 Difference]: With dead ends: 16 [2023-11-23 21:12:47,848 INFO L226 Difference]: Without dead ends: 12 [2023-11-23 21:12:47,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 21:12:47,855 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:47,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:12:47,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-23 21:12:47,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-23 21:12:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:12:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2023-11-23 21:12:47,891 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2023-11-23 21:12:47,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:47,891 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2023-11-23 21:12:47,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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 21:12:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-23 21:12:47,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:12:47,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:47,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:47,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:48,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:48,097 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:12:48,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:48,097 INFO L85 PathProgramCache]: Analyzing trace with hash 778794900, now seen corresponding path program 1 times [2023-11-23 21:12:48,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:48,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928336860] [2023-11-23 21:12:48,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:48,099 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 21:12:48,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:48,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:48,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:48,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:12:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:48,396 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:12:48,396 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:12:48,398 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 21:12:48,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 21:12:48,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:48,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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 21:12:48,604 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:12:48,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:12:48,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-23 21:12:48,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-23 21:12:48,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-23 21:12:48,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-23 21:12:48,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-23 21:12:48,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:48 BoogieIcfgContainer [2023-11-23 21:12:48,638 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:48,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:48,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:48,639 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:48,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:47" (3/4) ... [2023-11-23 21:12:48,641 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:12:48,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-23 21:12:48,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-23 21:12:48,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-23 21:12:48,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-23 21:12:48,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-23 21:12:48,694 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:12:48,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:48,704 INFO L158 Benchmark]: Toolchain (without parser) took 3349.86ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 41.1MB in the end (delta: 2.6MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-23 21:12:48,705 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:48,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1345.82ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.6MB in the beginning and 51.9MB in the end (delta: -8.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-23 21:12:48,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.73ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 49.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:48,706 INFO L158 Benchmark]: Boogie Preprocessor took 97.56ms. Allocated memory is still 88.1MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:48,707 INFO L158 Benchmark]: RCFGBuilder took 456.85ms. Allocated memory is still 88.1MB. Free memory was 46.5MB in the beginning and 52.9MB in the end (delta: -6.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-23 21:12:48,707 INFO L158 Benchmark]: TraceAbstraction took 1299.33ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 43.7MB in the end (delta: 8.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:48,707 INFO L158 Benchmark]: Witness Printer took 64.74ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 41.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:48,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1345.82ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.6MB in the beginning and 51.9MB in the end (delta: -8.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.73ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 49.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.56ms. Allocated memory is still 88.1MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.85ms. Allocated memory is still 88.1MB. Free memory was 46.5MB in the beginning and 52.9MB in the end (delta: -6.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1299.33ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 43.7MB in the end (delta: 8.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 64.74ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 41.1MB in the end (delta: 2.6MB). 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~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1568]: 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [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] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={5:0}, dataPtr={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 21:12:48,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf04f07-2f93-4c8e-a52d-71fc6be24242/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)