./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh --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 e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:42:41,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:42:41,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 12:42:41,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:42:41,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:42:41,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:42:41,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:42:41,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:42:41,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:42:41,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:42:41,173 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:42:41,173 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:42:41,174 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:42:41,174 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:42:41,175 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:42:41,175 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:42:41,176 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:42:41,176 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:42:41,177 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:42:41,177 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:42:41,178 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:42:41,178 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:42:41,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:42:41,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:42:41,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:42:41,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:42:41,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:42:41,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:42:41,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:42:41,182 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 12:42:41,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 12:42:41,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:42:41,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:42:41,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:42:41,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:42:41,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:42:41,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:42:41,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:42:41,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:42:41,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:42:41,187 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:42:41,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:42:41,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:42:41,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:42:41,188 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:42:41,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:42:41,188 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_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c [2023-12-02 12:42:41,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:42:41,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:42:41,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:42:41,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:42:41,463 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:42:41,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2023-12-02 12:42:44,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:42:44,571 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:42:44,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2023-12-02 12:42:44,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data/4f87548cd/6bc512f668604264b892f2429f891fdc/FLAGd27681f05 [2023-12-02 12:42:44,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data/4f87548cd/6bc512f668604264b892f2429f891fdc [2023-12-02 12:42:44,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:42:44,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:42:44,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:42:44,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:42:44,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:42:44,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:42:44" (1/1) ... [2023-12-02 12:42:44,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e3c46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:44, skipping insertion in model container [2023-12-02 12:42:44,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:42:44" (1/1) ... [2023-12-02 12:42:44,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:42:45,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:42:45,494 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:42:45,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:42:45,726 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:45,726 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:45,726 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:45,726 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:45,733 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:42:45,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45 WrapperNode [2023-12-02 12:42:45,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:42:45,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:42:45,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:42:45,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:42:45,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,790 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 48 [2023-12-02 12:42:45,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:42:45,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:42:45,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:42:45,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:42:45,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:42:45,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:42:45,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:42:45,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:42:45,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (1/1) ... [2023-12-02 12:42:45,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:42:45,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:42:45,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:42:45,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:42:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 12:42:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 12:42:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:42:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:42:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:42:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 12:42:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:42:46,028 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:42:46,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:42:46,133 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:42:46,174 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:42:46,174 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 12:42:46,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:46 BoogieIcfgContainer [2023-12-02 12:42:46,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:42:46,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:42:46,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:42:46,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:42:46,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:42:44" (1/3) ... [2023-12-02 12:42:46,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b25ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:42:46, skipping insertion in model container [2023-12-02 12:42:46,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:45" (2/3) ... [2023-12-02 12:42:46,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b25ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:42:46, skipping insertion in model container [2023-12-02 12:42:46,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:46" (3/3) ... [2023-12-02 12:42:46,184 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2023-12-02 12:42:46,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:42:46,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 12:42:46,240 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:42:46,246 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;@262e39e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:42:46,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 12:42:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 12:42:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 12:42:46,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:42:46,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:42:46,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 12:42:46,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:42:46,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1672497537, now seen corresponding path program 1 times [2023-12-02 12:42:46,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:42:46,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27240232] [2023-12-02 12:42:46,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:42:46,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:42:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:42:46,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:42:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:42:46,423 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:42:46,424 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:42:46,425 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 12:42:46,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 12:42:46,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:42:46,432 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:42:46,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:42:46,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 12:42:46,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:42:46 BoogieIcfgContainer [2023-12-02 12:42:46,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:42:46,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:42:46,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:42:46,457 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:42:46,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:46" (3/4) ... [2023-12-02 12:42:46,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:42:46,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:42:46,462 INFO L158 Benchmark]: Toolchain (without parser) took 1854.40ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 92.0MB in the beginning and 85.7MB in the end (delta: 6.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-02 12:42:46,463 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:42:46,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1124.81ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 120.5MB in the end (delta: -28.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 12:42:46,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.72ms. Allocated memory is still 174.1MB. Free memory was 120.5MB in the beginning and 117.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:42:46,465 INFO L158 Benchmark]: Boogie Preprocessor took 27.90ms. Allocated memory is still 174.1MB. Free memory was 117.2MB in the beginning and 116.3MB in the end (delta: 886.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:42:46,466 INFO L158 Benchmark]: RCFGBuilder took 356.33ms. Allocated memory is still 174.1MB. Free memory was 116.0MB in the beginning and 101.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 12:42:46,466 INFO L158 Benchmark]: TraceAbstraction took 277.91ms. Allocated memory is still 174.1MB. Free memory was 101.6MB in the beginning and 85.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 12:42:46,467 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 174.1MB. Free memory was 85.7MB in the beginning and 85.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:42:46,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1124.81ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 120.5MB in the end (delta: -28.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.72ms. Allocated memory is still 174.1MB. Free memory was 120.5MB in the beginning and 117.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.90ms. Allocated memory is still 174.1MB. Free memory was 117.2MB in the beginning and 116.3MB in the end (delta: 886.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.33ms. Allocated memory is still 174.1MB. Free memory was 116.0MB in the beginning and 101.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 277.91ms. Allocated memory is still 174.1MB. Free memory was 101.6MB in the beginning and 85.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 174.1MB. Free memory was 85.7MB in the beginning and 85.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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)=1073741825, argc=1073741825, argv={1073741827:1073741826}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-12-02 12:42:46,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh --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 e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:42:48,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:42:48,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 12:42:48,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:42:48,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:42:48,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:42:48,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:42:48,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:42:48,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:42:48,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:42:48,652 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:42:48,653 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:42:48,653 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:42:48,654 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:42:48,654 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:42:48,655 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:42:48,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:42:48,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:42:48,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:42:48,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:42:48,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:42:48,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:42:48,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:42:48,660 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:42:48,660 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 12:42:48,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:42:48,661 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 12:42:48,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:42:48,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:42:48,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:42:48,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:42:48,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:42:48,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:42:48,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:42:48,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:42:48,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:42:48,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:42:48,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:42:48,665 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:42:48,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:42:48,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:42:48,666 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:42:48,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:42:48,666 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_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c [2023-12-02 12:42:48,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:42:49,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:42:49,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:42:49,004 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:42:49,004 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:42:49,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2023-12-02 12:42:51,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:42:52,123 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:42:52,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2023-12-02 12:42:52,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data/22e24965e/efd54c0bf85d47a3b258bd942346545a/FLAGb8ba07fe0 [2023-12-02 12:42:52,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/data/22e24965e/efd54c0bf85d47a3b258bd942346545a [2023-12-02 12:42:52,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:42:52,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:42:52,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:42:52,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:42:52,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:42:52,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:42:52" (1/1) ... [2023-12-02 12:42:52,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd6edf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:52, skipping insertion in model container [2023-12-02 12:42:52,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:42:52" (1/1) ... [2023-12-02 12:42:52,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:42:53,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:42:53,053 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:42:53,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:42:53,289 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:53,290 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:53,290 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:53,290 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:42:53,298 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:42:53,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53 WrapperNode [2023-12-02 12:42:53,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:42:53,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:42:53,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:42:53,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:42:53,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,359 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 48 [2023-12-02 12:42:53,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:42:53,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:42:53,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:42:53,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:42:53,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:42:53,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:42:53,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:42:53,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:42:53,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (1/1) ... [2023-12-02 12:42:53,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:42:53,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:42:53,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:42:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:42:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 12:42:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 12:42:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:42:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:42:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:42:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:42:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 12:42:53,613 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:42:53,616 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:42:53,720 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:42:53,752 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:42:53,752 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 12:42:53,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:53 BoogieIcfgContainer [2023-12-02 12:42:53,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:42:53,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:42:53,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:42:53,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:42:53,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:42:52" (1/3) ... [2023-12-02 12:42:53,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18199627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:42:53, skipping insertion in model container [2023-12-02 12:42:53,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:53" (2/3) ... [2023-12-02 12:42:53,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18199627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:42:53, skipping insertion in model container [2023-12-02 12:42:53,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:53" (3/3) ... [2023-12-02 12:42:53,761 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2023-12-02 12:42:53,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:42:53,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 12:42:53,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:42:53,819 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;@7a74fc32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:42:53,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 12:42:53,823 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) [2023-12-02 12:42:53,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 12:42:53,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:42:53,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:42:53,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 12:42:53,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:42:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash 96154736, now seen corresponding path program 1 times [2023-12-02 12:42:53,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:42:53,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035090567] [2023-12-02 12:42:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:42:53,848 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 [2023-12-02 12:42:53,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:42:53,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:42:53,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:42:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:42:53,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:42:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:42:53,998 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 12:42:53,999 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:42:54,000 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 12:42:54,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 12:42:54,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-02 12:42:54,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:42:54,208 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:42:54,212 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:42:54,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 12:42:54,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:42:54 BoogieIcfgContainer [2023-12-02 12:42:54,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:42:54,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:42:54,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:42:54,236 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:42:54,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:53" (3/4) ... [2023-12-02 12:42:54,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:42:54,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:42:54,240 INFO L158 Benchmark]: Toolchain (without parser) took 2072.72ms. Allocated memory is still 115.3MB. Free memory was 88.0MB in the beginning and 59.1MB in the end (delta: 28.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-02 12:42:54,241 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:42:54,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1130.13ms. Allocated memory is still 115.3MB. Free memory was 88.0MB in the beginning and 51.2MB in the end (delta: 36.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-12-02 12:42:54,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.18ms. Allocated memory is still 115.3MB. Free memory was 51.2MB in the beginning and 48.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:42:54,243 INFO L158 Benchmark]: Boogie Preprocessor took 34.04ms. Allocated memory is still 115.3MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:42:54,243 INFO L158 Benchmark]: RCFGBuilder took 358.16ms. Allocated memory is still 115.3MB. Free memory was 46.1MB in the beginning and 75.9MB in the end (delta: -29.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-12-02 12:42:54,244 INFO L158 Benchmark]: TraceAbstraction took 479.01ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 59.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 12:42:54,244 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 115.3MB. Free memory was 59.8MB in the beginning and 59.1MB in the end (delta: 709.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:42:54,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1130.13ms. Allocated memory is still 115.3MB. Free memory was 88.0MB in the beginning and 51.2MB in the end (delta: 36.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.18ms. Allocated memory is still 115.3MB. Free memory was 51.2MB in the beginning and 48.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.04ms. Allocated memory is still 115.3MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.16ms. Allocated memory is still 115.3MB. Free memory was 46.1MB in the beginning and 75.9MB in the end (delta: -29.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 479.01ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 59.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 115.3MB. Free memory was 59.8MB in the beginning and 59.1MB in the end (delta: 709.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-12-02 12:42:54,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89705e9d-1497-4907-82f5-2cd67e5c4c8a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample