./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC --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 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:09:43,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:09:43,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 02:09:43,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:09:43,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:09:43,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:09:43,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:09:43,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:09:43,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:09:43,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:09:43,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:09:43,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:09:43,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:09:43,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:09:43,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:09:43,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:09:43,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:09:43,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:09:43,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:09:43,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:09:43,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:09:43,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:09:43,334 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 02:09:43,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 02:09:43,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:09:43,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:09:43,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:09:43,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:09:43,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:09:43,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:09:43,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:09:43,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:43,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:09:43,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:09:43,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:09:43,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:09:43,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:43,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:09:43,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:09:43,337 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:09:43,338 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC 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 -> 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 [2024-11-24 02:09:43,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:09:43,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:09:43,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:09:43,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:09:43,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:09:43,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-11-24 02:09:47,489 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/data/94b035fe3/1626eebdf6fa4830a3d1c712540249aa/FLAG838c10e54 [2024-11-24 02:09:48,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:09:48,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-11-24 02:09:48,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/data/94b035fe3/1626eebdf6fa4830a3d1c712540249aa/FLAG838c10e54 [2024-11-24 02:09:48,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/data/94b035fe3/1626eebdf6fa4830a3d1c712540249aa [2024-11-24 02:09:48,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:09:48,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:09:48,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:09:48,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:09:48,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:09:48,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:09:48" (1/1) ... [2024-11-24 02:09:48,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfcf4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:48, skipping insertion in model container [2024-11-24 02:09:48,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:09:48" (1/1) ... [2024-11-24 02:09:48,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:09:49,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:09:49,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:09:49,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:09:49,678 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:09:49,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49 WrapperNode [2024-11-24 02:09:49,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:09:49,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:09:49,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:09:49,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:09:49,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,743 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-24 02:09:49,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:09:49,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:09:49,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:09:49,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:09:49,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,773 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 02:09:49,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,780 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:09:49,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:09:49,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:09:49,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:09:49,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (1/1) ... [2024-11-24 02:09:49,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:49,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:49,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:09:49,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:09:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 02:09:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 02:09:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-24 02:09:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-24 02:09:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:09:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:09:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:09:50,108 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:09:50,110 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:09:50,363 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-24 02:09:50,363 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:09:50,374 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:09:50,375 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 02:09:50,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:50 BoogieIcfgContainer [2024-11-24 02:09:50,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:09:50,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:09:50,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:09:50,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:09:50,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:09:48" (1/3) ... [2024-11-24 02:09:50,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a80680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:09:50, skipping insertion in model container [2024-11-24 02:09:50,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:49" (2/3) ... [2024-11-24 02:09:50,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a80680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:09:50, skipping insertion in model container [2024-11-24 02:09:50,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:50" (3/3) ... [2024-11-24 02:09:50,386 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-11-24 02:09:50,405 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:09:50,407 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_preinc_11_bad.i that has 3 procedures, 50 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-24 02:09:50,499 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:09:50,518 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;@7616fd15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:09:50,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 02:09:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 43 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-24 02:09:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 02:09:50,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:50,536 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:50,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:50,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:50,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1648115636, now seen corresponding path program 1 times [2024-11-24 02:09:50,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:50,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427569617] [2024-11-24 02:09:50,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 02:09:50,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:09:50,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427569617] [2024-11-24 02:09:50,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427569617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:09:50,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440130580] [2024-11-24 02:09:50,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:50,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:50,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:50,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:09:50,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:09:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:51,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:09:51,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:09:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 02:09:51,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:09:51,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440130580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:51,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:09:51,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 02:09:51,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501897789] [2024-11-24 02:09:51,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:51,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:09:51,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:09:51,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:09:51,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:09:51,279 INFO L87 Difference]: Start difference. First operand has 50 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 43 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 02:09:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:51,330 INFO L93 Difference]: Finished difference Result 57 states and 77 transitions. [2024-11-24 02:09:51,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:09:51,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-24 02:09:51,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:51,346 INFO L225 Difference]: With dead ends: 57 [2024-11-24 02:09:51,346 INFO L226 Difference]: Without dead ends: 48 [2024-11-24 02:09:51,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:09:51,357 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 37 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:51,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 86 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:09:51,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-24 02:09:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2024-11-24 02:09:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-24 02:09:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2024-11-24 02:09:51,422 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 21 [2024-11-24 02:09:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:51,427 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2024-11-24 02:09:51,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 02:09:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-24 02:09:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 02:09:51,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:51,432 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:51,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 02:09:51,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 02:09:51,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:51,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:51,637 INFO L85 PathProgramCache]: Analyzing trace with hash -448022698, now seen corresponding path program 1 times [2024-11-24 02:09:51,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:51,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258855384] [2024-11-24 02:09:51,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:51,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 02:09:51,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:09:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258855384] [2024-11-24 02:09:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258855384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:09:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815213660] [2024-11-24 02:09:51,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:51,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:09:51,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:09:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:51,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:09:51,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:09:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 02:09:52,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:09:52,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815213660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:52,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:09:52,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 02:09:52,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248300744] [2024-11-24 02:09:52,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:52,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:09:52,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:09:52,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:09:52,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:09:52,032 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 02:09:52,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:52,087 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2024-11-24 02:09:52,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:09:52,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-24 02:09:52,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:52,089 INFO L225 Difference]: With dead ends: 49 [2024-11-24 02:09:52,090 INFO L226 Difference]: Without dead ends: 43 [2024-11-24 02:09:52,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:09:52,092 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 35 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:52,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 76 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:09:52,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-24 02:09:52,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-24 02:09:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-24 02:09:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2024-11-24 02:09:52,108 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 22 [2024-11-24 02:09:52,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:52,108 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2024-11-24 02:09:52,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 02:09:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-11-24 02:09:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 02:09:52,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:52,112 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:52,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 02:09:52,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:52,317 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:52,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:52,317 INFO L85 PathProgramCache]: Analyzing trace with hash 10447351, now seen corresponding path program 1 times [2024-11-24 02:09:52,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:52,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76468195] [2024-11-24 02:09:52,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:52,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 02:09:52,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:09:52,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76468195] [2024-11-24 02:09:52,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76468195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:52,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:09:52,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 02:09:52,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889996456] [2024-11-24 02:09:52,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:52,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:09:52,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:09:52,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:09:52,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:09:52,638 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 02:09:52,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:52,670 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2024-11-24 02:09:52,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:09:52,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-24 02:09:52,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:52,673 INFO L225 Difference]: With dead ends: 43 [2024-11-24 02:09:52,673 INFO L226 Difference]: Without dead ends: 42 [2024-11-24 02:09:52,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:09:52,675 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 37 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:52,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 66 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:09:52,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-24 02:09:52,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-24 02:09:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-24 02:09:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2024-11-24 02:09:52,698 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 27 [2024-11-24 02:09:52,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:52,699 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2024-11-24 02:09:52,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 02:09:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-24 02:09:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 02:09:52,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:52,702 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:52,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:09:52,703 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:52,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:52,704 INFO L85 PathProgramCache]: Analyzing trace with hash 323868019, now seen corresponding path program 1 times [2024-11-24 02:09:52,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:52,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443142905] [2024-11-24 02:09:52,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:09:52,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:09:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:09:52,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:09:52,852 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:09:52,854 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-24 02:09:52,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-24 02:09:52,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:09:52,862 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 02:09:52,904 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:09:52,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:09:52 BoogieIcfgContainer [2024-11-24 02:09:52,908 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:09:52,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:09:52,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:09:52,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:09:52,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:50" (3/4) ... [2024-11-24 02:09:52,911 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 02:09:52,983 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-11-24 02:09:53,066 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 02:09:53,067 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 02:09:53,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:09:53,068 INFO L158 Benchmark]: Toolchain (without parser) took 4965.48ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 80.4MB in the end (delta: 22.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-24 02:09:53,068 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:53,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1575.60ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 43.8MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-24 02:09:53,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.75ms. Allocated memory is still 142.6MB. Free memory was 43.8MB in the beginning and 41.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:09:53,073 INFO L158 Benchmark]: Boogie Preprocessor took 45.97ms. Allocated memory is still 142.6MB. Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:53,073 INFO L158 Benchmark]: RCFGBuilder took 583.76ms. Allocated memory is still 142.6MB. Free memory was 39.3MB in the beginning and 90.0MB in the end (delta: -50.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-24 02:09:53,074 INFO L158 Benchmark]: TraceAbstraction took 2530.37ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 85.7MB in the end (delta: 3.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-24 02:09:53,074 INFO L158 Benchmark]: Witness Printer took 158.02ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 80.4MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:53,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1575.60ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 43.8MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.75ms. Allocated memory is still 142.6MB. Free memory was 43.8MB in the beginning and 41.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.97ms. Allocated memory is still 142.6MB. Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.76ms. Allocated memory is still 142.6MB. Free memory was 39.3MB in the beginning and 90.0MB in the end (delta: -50.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2530.37ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 85.7MB in the end (delta: 3.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 158.02ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 80.4MB in the end (delta: 5.2MB). 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 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_rand_preinc_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] ++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: 1559]: 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 3 procedures, 50 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 228 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 179 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 161 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 11/15 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-24 02:09:53,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54a93b0-6624-4e2b-8e27-8c58c1ab41dc/bin/uautomizer-verify-LYvppIcaGC/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)