./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya --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 eadc28822820f50c36ee6652ef62071b9afba3641b6d4d93b9e61d521c1cebde --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:49:38,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:49:38,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 02:49:38,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:49:38,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:49:38,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:49:38,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:49:38,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:49:38,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:49:38,877 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:49:38,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:49:38,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:49:38,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:49:38,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:49:38,880 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:49:38,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:49:38,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:49:38,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:49:38,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:49:38,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:49:38,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:49:38,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:49:38,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:49:38,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:49:38,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:49:38,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:49:38,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:49:38,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:49:38,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:49:38,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:49:38,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:49:38,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:49:38,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:49:38,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:49:38,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:49:38,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:49:38,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:49:38,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:49:38,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:49:38,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:49:38,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:49:38,888 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_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eadc28822820f50c36ee6652ef62071b9afba3641b6d4d93b9e61d521c1cebde [2023-11-29 02:49:39,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:49:39,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:49:39,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:49:39,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:49:39,142 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:49:39,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_41_bad.i [2023-11-29 02:49:41,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:49:42,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:49:42,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_41_bad.i [2023-11-29 02:49:42,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data/eb92aab80/2defd995e7db475e8942336b2217edf4/FLAG32a0e8f08 [2023-11-29 02:49:42,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data/eb92aab80/2defd995e7db475e8942336b2217edf4 [2023-11-29 02:49:42,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:49:42,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:49:42,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:49:42,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:49:42,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:49:42,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:49:42" (1/1) ... [2023-11-29 02:49:42,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18970c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:42, skipping insertion in model container [2023-11-29 02:49:42,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:49:42" (1/1) ... [2023-11-29 02:49:42,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:49:43,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:49:43,086 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:49:43,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:49:43,328 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:43,328 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:43,329 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:43,329 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:43,337 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:49:43,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43 WrapperNode [2023-11-29 02:49:43,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:49:43,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:49:43,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:49:43,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:49:43,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,395 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-11-29 02:49:43,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:49:43,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:49:43,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:49:43,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:49:43,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,426 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-29 02:49:43,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:49:43,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:49:43,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:49:43,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:49:43,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (1/1) ... [2023-11-29 02:49:43,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:49:43,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:49:43,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:49:43,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:49:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 02:49:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 02:49:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:49:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:49:43,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:49:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 02:49:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:49:43,669 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:49:43,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:49:43,758 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:49:43,787 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:49:43,787 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:49:43,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:43 BoogieIcfgContainer [2023-11-29 02:49:43,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:49:43,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:49:43,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:49:43,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:49:43,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:49:42" (1/3) ... [2023-11-29 02:49:43,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4524d796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:49:43, skipping insertion in model container [2023-11-29 02:49:43,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:43" (2/3) ... [2023-11-29 02:49:43,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4524d796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:49:43, skipping insertion in model container [2023-11-29 02:49:43,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:43" (3/3) ... [2023-11-29 02:49:43,798 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_41_bad.i [2023-11-29 02:49:43,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:49:43,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:49:43,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:49:43,881 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@7bcfd7db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:49:43,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:49:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:49:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:49:43,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:49:43,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:49:43,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:49:43,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:49:43,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1611236851, now seen corresponding path program 1 times [2023-11-29 02:49:43,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:49:43,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548876526] [2023-11-29 02:49:43,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:49:43,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:49:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:49:44,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:49:44,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548876526] [2023-11-29 02:49:44,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548876526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:49:44,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:49:44,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:49:44,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72703996] [2023-11-29 02:49:44,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:49:44,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:49:44,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:49:44,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:49:44,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:49:44,168 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:49:44,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:49:44,203 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2023-11-29 02:49:44,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:49:44,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-29 02:49:44,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:49:44,211 INFO L225 Difference]: With dead ends: 24 [2023-11-29 02:49:44,211 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:49:44,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:49:44,216 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:49:44,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 17 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:49:44,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:49:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:49:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:49:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 02:49:44,246 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2023-11-29 02:49:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:49:44,246 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 02:49:44,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:49:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 02:49:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:49:44,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:49:44,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:49:44,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:49:44,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:49:44,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:49:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1591265122, now seen corresponding path program 1 times [2023-11-29 02:49:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:49:44,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070156966] [2023-11-29 02:49:44,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:49:44,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:49:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:49:44,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:49:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:49:44,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:49:44,306 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:49:44,307 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 02:49:44,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 02:49:44,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:49:44,312 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:49:44,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:49:44,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-29 02:49:44,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:49:44 BoogieIcfgContainer [2023-11-29 02:49:44,338 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:49:44,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:49:44,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:49:44,340 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:49:44,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:43" (3/4) ... [2023-11-29 02:49:44,342 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:49:44,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:49:44,344 INFO L158 Benchmark]: Toolchain (without parser) took 2065.86ms. Allocated memory is still 151.0MB. Free memory was 120.7MB in the beginning and 55.2MB in the end (delta: 65.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2023-11-29 02:49:44,344 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:49:44,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.57ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 103.5MB in the end (delta: 17.0MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-29 02:49:44,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.50ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:49:44,346 INFO L158 Benchmark]: Boogie Preprocessor took 43.69ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:49:44,347 INFO L158 Benchmark]: RCFGBuilder took 347.85ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 85.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:49:44,347 INFO L158 Benchmark]: TraceAbstraction took 548.20ms. Allocated memory is still 151.0MB. Free memory was 85.6MB in the beginning and 55.2MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 02:49:44,347 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 151.0MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:49:44,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.57ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 103.5MB in the end (delta: 17.0MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.50ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.69ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.85ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 85.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 548.20ms. Allocated memory is still 151.0MB. Free memory was 85.6MB in the beginning and 55.2MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 151.0MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1552]: 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 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_max_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = 0x7fffffff [L1561] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:49:44,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/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_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya --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 eadc28822820f50c36ee6652ef62071b9afba3641b6d4d93b9e61d521c1cebde --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:49:46,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:49:46,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 02:49:46,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:49:46,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:49:46,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 02:49:46,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:49:46,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:49:46,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:49:46,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:49:46,508 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:49:46,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:49:46,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:49:46,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:49:46,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:49:46,512 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:49:46,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:49:46,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:49:46,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:49:46,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:49:46,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:49:46,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:49:46,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:49:46,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:49:46,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:49:46,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:49:46,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:49:46,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:49:46,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:49:46,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:49:46,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:49:46,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:49:46,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:49:46,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:49:46,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:49:46,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:49:46,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:49:46,524 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:49:46,524 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:49:46,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:49:46,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:49:46,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:49:46,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:49:46,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:49:46,526 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:49:46,526 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_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eadc28822820f50c36ee6652ef62071b9afba3641b6d4d93b9e61d521c1cebde [2023-11-29 02:49:46,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:49:46,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:49:46,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:49:46,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:49:46,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:49:46,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_41_bad.i [2023-11-29 02:49:49,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:49:50,035 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:49:50,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_41_bad.i [2023-11-29 02:49:50,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data/4fbce7906/16d440b4b5b846daa4d46d55c1fc413b/FLAG1596bb2cb [2023-11-29 02:49:50,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/data/4fbce7906/16d440b4b5b846daa4d46d55c1fc413b [2023-11-29 02:49:50,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:49:50,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:49:50,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:49:50,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:49:50,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:49:50,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:49:50" (1/1) ... [2023-11-29 02:49:50,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277e2f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:50, skipping insertion in model container [2023-11-29 02:49:50,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:49:50" (1/1) ... [2023-11-29 02:49:50,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:49:50,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:49:50,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:49:51,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:49:51,105 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:51,105 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:51,105 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:51,106 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:49:51,112 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:49:51,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51 WrapperNode [2023-11-29 02:49:51,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:49:51,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:49:51,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:49:51,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:49:51,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,170 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-11-29 02:49:51,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:49:51,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:49:51,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:49:51,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:49:51,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,200 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-29 02:49:51,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:49:51,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:49:51,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:49:51,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:49:51,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (1/1) ... [2023-11-29 02:49:51,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:49:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:49:51,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:49:51,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:49:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 02:49:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 02:49:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:49:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:49:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:49:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:49:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 02:49:51,464 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:49:51,466 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:49:51,565 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:49:51,597 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:49:51,597 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:49:51,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:51 BoogieIcfgContainer [2023-11-29 02:49:51,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:49:51,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:49:51,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:49:51,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:49:51,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:49:50" (1/3) ... [2023-11-29 02:49:51,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500c602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:49:51, skipping insertion in model container [2023-11-29 02:49:51,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:49:51" (2/3) ... [2023-11-29 02:49:51,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500c602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:49:51, skipping insertion in model container [2023-11-29 02:49:51,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:51" (3/3) ... [2023-11-29 02:49:51,607 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_41_bad.i [2023-11-29 02:49:51,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:49:51,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:49:51,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:49:51,681 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@489d94be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:49:51,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:49:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:49:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:49:51,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:49:51,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:49:51,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:49:51,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:49:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1611236851, now seen corresponding path program 1 times [2023-11-29 02:49:51,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:49:51,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136157343] [2023-11-29 02:49:51,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:49:51,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:49:51,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:49:51,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:49:51,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 02:49:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:51,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:49:51,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:49:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:49:51,872 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:49:51,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:49:51,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136157343] [2023-11-29 02:49:51,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136157343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:49:51,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:49:51,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:49:51,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615741484] [2023-11-29 02:49:51,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:49:51,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:49:51,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:49:51,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:49:51,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:49:51,916 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:49:51,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:49:51,947 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-11-29 02:49:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:49:51,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-29 02:49:51,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:49:51,955 INFO L225 Difference]: With dead ends: 20 [2023-11-29 02:49:51,956 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:49:51,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:49:51,961 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:49:51,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:49:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:49:51,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:49:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:49:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 02:49:51,986 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2023-11-29 02:49:51,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:49:51,986 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 02:49:51,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:49:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 02:49:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:49:51,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:49:51,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:49:51,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:49:52,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:49:52,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:49:52,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:49:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1591265122, now seen corresponding path program 1 times [2023-11-29 02:49:52,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:49:52,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766654722] [2023-11-29 02:49:52,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:49:52,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:49:52,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:49:52,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:49:52,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 02:49:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:49:52,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:49:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:49:52,320 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 02:49:52,320 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:49:52,322 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 02:49:52,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 02:49:52,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 02:49:52,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:49:52,529 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:49:52,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:49:52,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-29 02:49:52,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:49:52 BoogieIcfgContainer [2023-11-29 02:49:52,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:49:52,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:49:52,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:49:52,557 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:49:52,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:51" (3/4) ... [2023-11-29 02:49:52,559 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:49:52,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:49:52,561 INFO L158 Benchmark]: Toolchain (without parser) took 2483.21ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 67.4MB in the beginning and 69.9MB in the end (delta: -2.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-29 02:49:52,561 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:49:52,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1034.06ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 48.0MB in the end (delta: 19.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-29 02:49:52,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.72ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 45.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:49:52,563 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 94.4MB. Free memory was 44.8MB in the beginning and 42.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:49:52,564 INFO L158 Benchmark]: RCFGBuilder took 375.29ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 54.7MB in the end (delta: -12.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-11-29 02:49:52,564 INFO L158 Benchmark]: TraceAbstraction took 955.38ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 70.5MB in the end (delta: -16.3MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-29 02:49:52,565 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 69.9MB in the end (delta: 605.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:49:52,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1034.06ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 48.0MB in the end (delta: 19.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.72ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 45.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 94.4MB. Free memory was 44.8MB in the beginning and 42.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.29ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 54.7MB in the end (delta: -12.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * TraceAbstraction took 955.38ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 70.5MB in the end (delta: -16.3MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 69.9MB in the end (delta: 605.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1552]: 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 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_max_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = 0x7fffffff [L1561] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 2 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:49:52,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc69472e-57bd-45db-a819-68a945e56a8e/bin/uautomizer-verify-BQ2R08f2Ya/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