./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_10_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_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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_6bf3fcee-6d32-4231-95de-07ec276ba101/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 bece579fc82892f0d98d0f485e9aee37b7538424ffe9e6420e9a1c1c46166ca9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:32:00,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:32:00,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 04:32:00,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:32:00,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:32:00,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:32:00,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:32:00,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:32:00,987 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:32:00,987 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:32:00,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:32:00,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:32:00,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:32:00,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:32:00,990 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:32:00,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:32:00,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:32:00,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:32:00,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:32:00,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:32:00,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:32:00,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:32:00,994 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 04:32:00,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:32:00,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:32:00,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:32:00,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:32:00,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:32:00,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:32:00,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:32:00,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:32:00,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:32:00,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:32:00,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:32:00,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:32:00,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:32:00,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:32:00,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:32:01,000 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:32:01,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:32:01,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:32:01,000 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_6bf3fcee-6d32-4231-95de-07ec276ba101/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bece579fc82892f0d98d0f485e9aee37b7538424ffe9e6420e9a1c1c46166ca9 [2023-11-29 04:32:01,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:32:01,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:32:01,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:32:01,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:32:01,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:32:01,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_10_bad.i [2023-11-29 04:32:03,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:32:04,205 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:32:04,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_10_bad.i [2023-11-29 04:32:04,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data/ddb12d904/e30eed4a0a534c25ba38b070af05ff7c/FLAG86181f357 [2023-11-29 04:32:04,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data/ddb12d904/e30eed4a0a534c25ba38b070af05ff7c [2023-11-29 04:32:04,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:32:04,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:32:04,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:32:04,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:32:04,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:32:04,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:32:04" (1/1) ... [2023-11-29 04:32:04,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fa7085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:04, skipping insertion in model container [2023-11-29 04:32:04,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:32:04" (1/1) ... [2023-11-29 04:32:04,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:32:04,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:32:05,001 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:32:05,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:32:05,234 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:05,234 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:05,234 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:05,234 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:05,241 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:32:05,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05 WrapperNode [2023-11-29 04:32:05,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:32:05,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:32:05,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:32:05,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:32:05,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,296 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-29 04:32:05,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:32:05,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:32:05,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:32:05,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:32:05,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,323 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 04:32:05,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:32:05,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:32:05,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:32:05,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:32:05,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (1/1) ... [2023-11-29 04:32:05,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:32:05,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:32:05,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:32:05,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:32:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 04:32:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 04:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:32:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 04:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:32:05,533 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:32:05,536 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:32:05,621 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:32:05,648 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:32:05,649 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:32:05,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:32:05 BoogieIcfgContainer [2023-11-29 04:32:05,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:32:05,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:32:05,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:32:05,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:32:05,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:32:04" (1/3) ... [2023-11-29 04:32:05,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a76bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:32:05, skipping insertion in model container [2023-11-29 04:32:05,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:05" (2/3) ... [2023-11-29 04:32:05,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a76bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:32:05, skipping insertion in model container [2023-11-29 04:32:05,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:32:05" (3/3) ... [2023-11-29 04:32:05,658 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_10_bad.i [2023-11-29 04:32:05,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:32:05,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 04:32:05,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:32:05,728 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;@6d582b45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:32:05,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 04:32:05,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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 04:32:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 04:32:05,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:05,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:32:05,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:32:05,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:32:05,745 INFO L85 PathProgramCache]: Analyzing trace with hash -258035539, now seen corresponding path program 1 times [2023-11-29 04:32:05,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:32:05,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805770877] [2023-11-29 04:32:05,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:32:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:32:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:32:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:32:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:32:05,996 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 04:32:05,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:32:05,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805770877] [2023-11-29 04:32:05,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805770877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:32:05,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:32:05,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:32:06,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554310982] [2023-11-29 04:32:06,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:32:06,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:32:06,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:32:06,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:32:06,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:32:06,030 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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, 3 states have (on average 3.0) internal successors, (9), 3 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 04:32:06,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:32:06,064 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2023-11-29 04:32:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:32:06,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Word has length 11 [2023-11-29 04:32:06,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:32:06,072 INFO L225 Difference]: With dead ends: 32 [2023-11-29 04:32:06,072 INFO L226 Difference]: Without dead ends: 14 [2023-11-29 04:32:06,075 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 04:32:06,078 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:32:06,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:32:06,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-29 04:32:06,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-29 04:32:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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 04:32:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-29 04:32:06,104 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2023-11-29 04:32:06,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:32:06,104 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-29 04:32:06,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 04:32:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-29 04:32:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 04:32:06,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:06,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:32:06,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:32:06,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:32:06,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:32:06,107 INFO L85 PathProgramCache]: Analyzing trace with hash -258095121, now seen corresponding path program 1 times [2023-11-29 04:32:06,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:32:06,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855124777] [2023-11-29 04:32:06,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:32:06,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:32:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:32:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:32:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:32:06,181 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 04:32:06,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:32:06,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855124777] [2023-11-29 04:32:06,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855124777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:32:06,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:32:06,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:32:06,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218016625] [2023-11-29 04:32:06,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:32:06,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:32:06,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:32:06,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:32:06,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:32:06,185 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 04:32:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:32:06,195 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 04:32:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:32:06,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) Word has length 11 [2023-11-29 04:32:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:32:06,197 INFO L225 Difference]: With dead ends: 14 [2023-11-29 04:32:06,197 INFO L226 Difference]: Without dead ends: 13 [2023-11-29 04:32:06,197 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 04:32:06,199 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:32:06,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:32:06,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-29 04:32:06,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 04:32:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:32:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-29 04:32:06,203 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2023-11-29 04:32:06,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:32:06,204 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-29 04:32:06,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 04:32:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-29 04:32:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 04:32:06,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:06,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:32:06,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:32:06,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:32:06,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:32:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash 588985899, now seen corresponding path program 1 times [2023-11-29 04:32:06,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:32:06,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011951216] [2023-11-29 04:32:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:32:06,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:32:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:32:06,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:32:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:32:06,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:32:06,253 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:32:06,255 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 04:32:06,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 04:32:06,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:32:06,260 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 04:32:06,263 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:32:06,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-29 04:32:06,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:32:06 BoogieIcfgContainer [2023-11-29 04:32:06,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:32:06,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:32:06,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:32:06,289 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:32:06,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:32:05" (3/4) ... [2023-11-29 04:32:06,291 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:32:06,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:32:06,293 INFO L158 Benchmark]: Toolchain (without parser) took 2045.03ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 104.2MB in the end (delta: 10.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-29 04:32:06,293 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:32:06,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 993.22ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 102.8MB in the end (delta: 11.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-29 04:32:06,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.43ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 100.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:32:06,295 INFO L158 Benchmark]: Boogie Preprocessor took 38.85ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 98.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:32:06,295 INFO L158 Benchmark]: RCFGBuilder took 313.03ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 85.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:32:06,296 INFO L158 Benchmark]: TraceAbstraction took 635.88ms. Allocated memory is still 155.2MB. Free memory was 84.6MB in the beginning and 105.1MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:32:06,296 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 909.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:32:06,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 993.22ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 102.8MB in the end (delta: 11.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.43ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 100.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.85ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 98.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.03ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 85.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 635.88ms. Allocated memory is still 155.2MB. Free memory was 84.6MB in the beginning and 105.1MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 909.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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: 1560]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_max_multiply_10_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] COND TRUE \read(globalTrue) [L1554] data = 0x7fffffff 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 \read(globalTrue) 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] [L1558] COND TRUE data > 0 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] [L1560] data * 2 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] - UnprovableResult [Line: 1560]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 24 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 04:32:06,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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_6bf3fcee-6d32-4231-95de-07ec276ba101/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 bece579fc82892f0d98d0f485e9aee37b7538424ffe9e6420e9a1c1c46166ca9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:32:08,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:32:08,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 04:32:08,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:32:08,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:32:08,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 04:32:08,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:32:08,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:32:08,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:32:08,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:32:08,278 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:32:08,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:32:08,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:32:08,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:32:08,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:32:08,281 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:32:08,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:32:08,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:32:08,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:32:08,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:32:08,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:32:08,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:32:08,284 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:32:08,284 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:32:08,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 04:32:08,285 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:32:08,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:32:08,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:32:08,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:32:08,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:32:08,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:32:08,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:32:08,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:32:08,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:32:08,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:32:08,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:32:08,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:32:08,289 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:32:08,289 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:32:08,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:32:08,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:32:08,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:32:08,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:32:08,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:32:08,290 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:32:08,290 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_6bf3fcee-6d32-4231-95de-07ec276ba101/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bece579fc82892f0d98d0f485e9aee37b7538424ffe9e6420e9a1c1c46166ca9 [2023-11-29 04:32:08,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:32:08,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:32:08,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:32:08,593 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:32:08,594 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:32:08,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_10_bad.i [2023-11-29 04:32:11,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:32:11,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:32:11,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_10_bad.i [2023-11-29 04:32:11,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data/28fb7026f/5b2f48d4e1224d08b6302fe66e488ce0/FLAG9f5ab4d58 [2023-11-29 04:32:11,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/data/28fb7026f/5b2f48d4e1224d08b6302fe66e488ce0 [2023-11-29 04:32:11,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:32:11,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:32:11,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:32:11,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:32:11,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:32:11,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:32:11" (1/1) ... [2023-11-29 04:32:11,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44196f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:11, skipping insertion in model container [2023-11-29 04:32:11,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:32:11" (1/1) ... [2023-11-29 04:32:12,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:32:12,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:32:12,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:32:12,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:32:13,044 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:13,044 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:13,045 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:13,045 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:32:13,052 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:32:13,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13 WrapperNode [2023-11-29 04:32:13,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:32:13,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:32:13,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:32:13,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:32:13,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,111 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-29 04:32:13,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:32:13,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:32:13,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:32:13,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:32:13,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,142 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 04:32:13,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:32:13,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:32:13,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:32:13,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:32:13,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (1/1) ... [2023-11-29 04:32:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:32:13,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:32:13,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:32:13,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:32:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 04:32:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 04:32:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:32:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:32:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:32:13,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:32:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 04:32:13,387 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:32:13,389 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:32:13,485 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:32:13,520 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:32:13,520 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:32:13,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:32:13 BoogieIcfgContainer [2023-11-29 04:32:13,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:32:13,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:32:13,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:32:13,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:32:13,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:32:11" (1/3) ... [2023-11-29 04:32:13,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab70ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:32:13, skipping insertion in model container [2023-11-29 04:32:13,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:32:13" (2/3) ... [2023-11-29 04:32:13,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab70ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:32:13, skipping insertion in model container [2023-11-29 04:32:13,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:32:13" (3/3) ... [2023-11-29 04:32:13,529 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_10_bad.i [2023-11-29 04:32:13,548 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:32:13,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 04:32:13,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:32:13,600 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;@4cde9ea6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:32:13,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 04:32:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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 04:32:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 04:32:13,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:13,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:32:13,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:32:13,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:32:13,618 INFO L85 PathProgramCache]: Analyzing trace with hash -258035539, now seen corresponding path program 1 times [2023-11-29 04:32:13,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:32:13,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119140380] [2023-11-29 04:32:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:32:13,631 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 04:32:13,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:32:13,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:13,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:32:13,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:32:13,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:32:13,786 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 04:32:13,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:32:13,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:32:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119140380] [2023-11-29 04:32:13,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119140380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:32:13,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:32:13,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:32:13,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684969662] [2023-11-29 04:32:13,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:32:13,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:32:13,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:32:13,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:32:13,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:32:13,817 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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, 3 states have (on average 3.0) internal successors, (9), 2 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 04:32:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:32:13,846 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2023-11-29 04:32:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:32:13,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) Word has length 11 [2023-11-29 04:32:13,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:32:13,855 INFO L225 Difference]: With dead ends: 32 [2023-11-29 04:32:13,855 INFO L226 Difference]: Without dead ends: 14 [2023-11-29 04:32:13,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 04:32:13,861 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:32:13,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:32:13,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-29 04:32:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-29 04:32:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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 04:32:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-29 04:32:13,902 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2023-11-29 04:32:13,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:32:13,903 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-29 04:32:13,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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 04:32:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-29 04:32:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 04:32:13,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:13,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:32:13,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:32:14,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:32:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash -258095121, now seen corresponding path program 1 times [2023-11-29 04:32:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:32:14,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568359559] [2023-11-29 04:32:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:32:14,109 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 04:32:14,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:32:14,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:32:14,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:32:14,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:32:14,180 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 04:32:14,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:32:14,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:32:14,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568359559] [2023-11-29 04:32:14,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568359559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:32:14,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:32:14,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:32:14,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797129118] [2023-11-29 04:32:14,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:32:14,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:32:14,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:32:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:32:14,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:32:14,184 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 04:32:14,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:32:14,200 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 04:32:14,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:32:14,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) Word has length 11 [2023-11-29 04:32:14,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:32:14,201 INFO L225 Difference]: With dead ends: 14 [2023-11-29 04:32:14,201 INFO L226 Difference]: Without dead ends: 13 [2023-11-29 04:32:14,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 04:32:14,203 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:32:14,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:32:14,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-29 04:32:14,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 04:32:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:32:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-29 04:32:14,208 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2023-11-29 04:32:14,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:32:14,208 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-29 04:32:14,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 04:32:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-29 04:32:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 04:32:14,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:14,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:32:14,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:32:14,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:32:14,413 INFO L85 PathProgramCache]: Analyzing trace with hash 588985899, now seen corresponding path program 1 times [2023-11-29 04:32:14,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:32:14,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352553552] [2023-11-29 04:32:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:32:14,414 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 04:32:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:32:14,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 (4)] Waiting until timeout for monitored process [2023-11-29 04:32:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:32:14,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:32:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:32:14,537 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 04:32:14,537 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:32:14,538 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 04:32:14,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 04:32:14,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 (4)] Ended with exit code 0 [2023-11-29 04:32:14,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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 04:32:14,746 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 04:32:14,749 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:32:14,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-29 04:32:14,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:32:14 BoogieIcfgContainer [2023-11-29 04:32:14,769 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:32:14,770 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:32:14,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:32:14,770 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:32:14,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:32:13" (3/4) ... [2023-11-29 04:32:14,773 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:32:14,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:32:14,775 INFO L158 Benchmark]: Toolchain (without parser) took 2841.68ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 43.0MB in the beginning and 40.8MB in the end (delta: 2.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-29 04:32:14,775 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:32:14,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1119.33ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 42.8MB in the beginning and 55.5MB in the end (delta: -12.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 04:32:14,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 52.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:32:14,777 INFO L158 Benchmark]: Boogie Preprocessor took 50.88ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 50.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:32:14,777 INFO L158 Benchmark]: RCFGBuilder took 356.89ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 57.5MB in the end (delta: -7.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-29 04:32:14,778 INFO L158 Benchmark]: TraceAbstraction took 1246.01ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 41.2MB in the end (delta: 15.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-29 04:32:14,778 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 88.1MB. Free memory was 41.2MB in the beginning and 40.8MB in the end (delta: 463.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:32:14,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1119.33ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 42.8MB in the beginning and 55.5MB in the end (delta: -12.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 52.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.88ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 50.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.89ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 57.5MB in the end (delta: -7.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1246.01ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 41.2MB in the end (delta: 15.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 88.1MB. Free memory was 41.2MB in the beginning and 40.8MB in the end (delta: 463.8kB). 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: 1560]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_max_multiply_10_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] COND TRUE \read(globalTrue) [L1554] data = 0x7fffffff 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 \read(globalTrue) 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] [L1558] COND TRUE data > 0 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] [L1560] data * 2 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] - UnprovableResult [Line: 1560]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 24 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 04:32:14,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf3fcee-6d32-4231-95de-07ec276ba101/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