./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:49:52,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:49:52,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:49:52,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:49:52,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:49:52,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:49:52,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:49:52,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:49:52,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:49:52,816 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:49:52,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:49:52,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:49:52,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:49:52,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:49:52,818 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:49:52,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:49:52,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:49:52,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:49:52,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:49:52,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:49:52,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:49:52,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:49:52,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:49:52,823 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:49:52,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:49:52,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:49:52,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:49:52,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:49:52,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:49:52,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:49:52,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:49:52,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:49:52,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:49:52,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:49:52,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:49:52,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:49:52,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:49:52,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:49:52,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:49:52,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:49:52,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:49:52,829 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 [2024-11-08 17:49:53,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:49:53,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:49:53,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:49:53,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:49:53,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:49:53,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i Unable to find full path for "g++" [2024-11-08 17:49:55,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:49:55,592 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:49:55,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i [2024-11-08 17:49:55,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data/f9f9f98c0/f3946144ff5843219efe4bf0b2346d58/FLAG85006efb9 [2024-11-08 17:49:55,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data/f9f9f98c0/f3946144ff5843219efe4bf0b2346d58 [2024-11-08 17:49:55,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:49:55,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:49:55,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:49:55,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:49:55,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:49:55,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:49:55" (1/1) ... [2024-11-08 17:49:55,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795ef78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:55, skipping insertion in model container [2024-11-08 17:49:55,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:49:55" (1/1) ... [2024-11-08 17:49:55,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:49:56,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:49:56,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:49:56,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:49:56,987 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:49:56,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56 WrapperNode [2024-11-08 17:49:56,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:49:56,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:49:56,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:49:56,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:49:56,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,045 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-08 17:49:57,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:49:57,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:49:57,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:49:57,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:49:57,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,079 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-08 17:49:57,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:49:57,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:49:57,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:49:57,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:49:57,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (1/1) ... [2024-11-08 17:49:57,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:49:57,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:49:57,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:49:57,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:49:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:49:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:49:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:49:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:49:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:49:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:49:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:49:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:49:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:49:57,333 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:49:57,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:49:57,478 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 17:49:57,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:49:57,496 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:49:57,496 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:49:57,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:49:57 BoogieIcfgContainer [2024-11-08 17:49:57,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:49:57,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:49:57,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:49:57,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:49:57,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:49:55" (1/3) ... [2024-11-08 17:49:57,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f1b61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:49:57, skipping insertion in model container [2024-11-08 17:49:57,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:49:56" (2/3) ... [2024-11-08 17:49:57,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f1b61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:49:57, skipping insertion in model container [2024-11-08 17:49:57,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:49:57" (3/3) ... [2024-11-08 17:49:57,508 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_32_bad.i [2024-11-08 17:49:57,529 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:49:57,530 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:49:57,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:49:57,616 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@5cf4d017, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:49:57,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:49:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-08 17:49:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 17:49:57,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:49:57,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:49:57,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:49:57,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:49:57,632 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-08 17:49:57,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:49:57,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984937206] [2024-11-08 17:49:57,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:49:57,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:49:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:49:57,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:49:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:49:57,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:49:57,849 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:49:57,851 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:49:57,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:49:57,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:49:57,858 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:49:57,879 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:49:57,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:49:57 BoogieIcfgContainer [2024-11-08 17:49:57,882 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:49:57,882 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:49:57,882 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:49:57,883 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:49:57,883 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:49:57" (3/4) ... [2024-11-08 17:49:57,885 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:49:57,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:49:57,887 INFO L158 Benchmark]: Toolchain (without parser) took 2229.60ms. Allocated memory is still 180.4MB. Free memory was 141.5MB in the beginning and 53.0MB in the end (delta: 88.6MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2024-11-08 17:49:57,888 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:49:57,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1327.72ms. Allocated memory is still 180.4MB. Free memory was 141.5MB in the beginning and 90.7MB in the end (delta: 50.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-08 17:49:57,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.14ms. Allocated memory is still 180.4MB. Free memory was 90.7MB in the beginning and 87.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:49:57,889 INFO L158 Benchmark]: Boogie Preprocessor took 45.50ms. Allocated memory is still 180.4MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:49:57,890 INFO L158 Benchmark]: RCFGBuilder took 405.07ms. Allocated memory is still 180.4MB. Free memory was 85.6MB in the beginning and 71.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:49:57,891 INFO L158 Benchmark]: TraceAbstraction took 382.29ms. Allocated memory is still 180.4MB. Free memory was 70.9MB in the beginning and 54.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:49:57,891 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 180.4MB. Free memory was 54.1MB in the beginning and 53.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:49:57,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1327.72ms. Allocated memory is still 180.4MB. Free memory was 141.5MB in the beginning and 90.7MB in the end (delta: 50.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.14ms. Allocated memory is still 180.4MB. Free memory was 90.7MB in the beginning and 87.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.50ms. Allocated memory is still 180.4MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.07ms. Allocated memory is still 180.4MB. Free memory was 85.6MB in the beginning and 71.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 382.29ms. Allocated memory is still 180.4MB. Free memory was 70.9MB in the beginning and 54.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 180.4MB. Free memory was 54.1MB in the beginning and 53.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 1562]: 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 1571. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET 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] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=19occurred 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 [2024-11-08 17:49:57,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:50:00,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:50:00,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:50:00,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:50:00,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:50:00,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:50:00,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:50:00,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:50:00,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:50:00,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:50:00,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:50:00,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:50:00,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:50:00,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:50:00,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:50:00,630 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:50:00,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:50:00,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:50:00,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:50:00,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:50:00,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:50:00,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:50:00,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:50:00,637 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:50:00,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:50:00,638 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:50:00,638 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:50:00,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:50:00,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:50:00,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:50:00,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:50:00,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:50:00,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:50:00,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:50:00,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:50:00,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:50:00,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:50:00,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:50:00,645 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:50:00,645 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:50:00,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:50:00,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:50:00,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:50:00,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:50:00,647 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 [2024-11-08 17:50:01,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:50:01,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:50:01,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:50:01,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:50:01,138 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:50:01,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i Unable to find full path for "g++" [2024-11-08 17:50:03,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:50:03,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:50:03,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i [2024-11-08 17:50:03,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data/89aaf0699/d156f30ac4df495d8e63710ec24903e5/FLAGe1ee03500 [2024-11-08 17:50:03,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/data/89aaf0699/d156f30ac4df495d8e63710ec24903e5 [2024-11-08 17:50:03,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:50:03,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:50:03,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:50:03,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:50:03,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:50:03,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:50:03" (1/1) ... [2024-11-08 17:50:03,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a37cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:03, skipping insertion in model container [2024-11-08 17:50:03,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:50:03" (1/1) ... [2024-11-08 17:50:03,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:50:04,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:50:04,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:50:05,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:50:05,154 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:50:05,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05 WrapperNode [2024-11-08 17:50:05,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:50:05,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:50:05,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:50:05,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:50:05,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,225 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-08 17:50:05,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:50:05,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:50:05,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:50:05,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:50:05,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,247 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,296 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-08 17:50:05,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:50:05,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:50:05,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:50:05,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:50:05,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (1/1) ... [2024-11-08 17:50:05,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:50:05,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:05,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:50:05,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:50:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:50:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:50:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:50:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:50:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:50:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:50:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 17:50:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:50:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 17:50:05,601 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:50:05,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:50:05,819 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 17:50:05,820 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:50:05,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:50:05,839 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:50:05,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:50:05 BoogieIcfgContainer [2024-11-08 17:50:05,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:50:05,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:50:05,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:50:05,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:50:05,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:50:03" (1/3) ... [2024-11-08 17:50:05,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da544ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:50:05, skipping insertion in model container [2024-11-08 17:50:05,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:05" (2/3) ... [2024-11-08 17:50:05,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da544ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:50:05, skipping insertion in model container [2024-11-08 17:50:05,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:50:05" (3/3) ... [2024-11-08 17:50:05,852 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_32_bad.i [2024-11-08 17:50:05,870 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:50:05,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:50:05,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:50:05,967 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@60feb45c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:50:05,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:50:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-08 17:50:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 17:50:05,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:05,982 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:50:05,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:50:05,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:05,988 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-08 17:50:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:50:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159928151] [2024-11-08 17:50:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:06,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:06,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:06,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:06,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:50:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:50:06,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:50:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:50:06,268 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:50:06,270 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:50:06,272 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:50:06,274 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:50:06,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:50:06,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:06,478 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:50:06,510 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:50:06,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:50:06 BoogieIcfgContainer [2024-11-08 17:50:06,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:50:06,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:50:06,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:50:06,518 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:50:06,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:50:05" (3/4) ... [2024-11-08 17:50:06,523 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:50:06,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:50:06,526 INFO L158 Benchmark]: Toolchain (without parser) took 2765.30ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.0MB in the beginning and 69.5MB in the end (delta: -19.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-08 17:50:06,527 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:50:06,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1391.77ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 50.8MB in the end (delta: -977.4kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 17:50:06,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.50ms. Allocated memory is still 102.8MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:50:06,530 INFO L158 Benchmark]: Boogie Preprocessor took 101.01ms. Allocated memory is still 102.8MB. Free memory was 47.8MB in the beginning and 73.3MB in the end (delta: -25.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-08 17:50:06,530 INFO L158 Benchmark]: RCFGBuilder took 509.00ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 58.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:50:06,531 INFO L158 Benchmark]: TraceAbstraction took 676.09ms. Allocated memory is still 102.8MB. Free memory was 58.0MB in the beginning and 70.1MB in the end (delta: -12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:50:06,531 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 69.5MB in the end (delta: 577.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:50:06,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1391.77ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 50.8MB in the end (delta: -977.4kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.50ms. Allocated memory is still 102.8MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.01ms. Allocated memory is still 102.8MB. Free memory was 47.8MB in the beginning and 73.3MB in the end (delta: -25.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 509.00ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 58.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 676.09ms. Allocated memory is still 102.8MB. Free memory was 58.0MB in the beginning and 70.1MB in the end (delta: -12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 69.5MB in the end (delta: 577.6kB). 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: 1562]: 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 1571. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET 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] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=19occurred 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, 0.1s 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 [2024-11-08 17:50:06,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c01d1d-48ea-4784-8c7e-cdc9582ec7e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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