./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_09_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_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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_c9d8f558-f830-4571-9ec6-be2c265b9108/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 ab15b4a943b144ea52d2c9c3835629e5d0a1fb713dca2e1a861ea8dc99ff40b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:42:25,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:42:26,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-28 23:42:26,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:42:26,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:42:26,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:42:26,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:42:26,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:42:26,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:42:26,074 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:42:26,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:42:26,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:42:26,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:42:26,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:42:26,077 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:42:26,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:42:26,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:42:26,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:42:26,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:42:26,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:42:26,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:42:26,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:42:26,081 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 23:42:26,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:42:26,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:42:26,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:42:26,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:42:26,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:42:26,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:42:26,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:42:26,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:42:26,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:42:26,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:42:26,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:42:26,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:42:26,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:42:26,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:42:26,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:42:26,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:42:26,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:42:26,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:42:26,088 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_c9d8f558-f830-4571-9ec6-be2c265b9108/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab15b4a943b144ea52d2c9c3835629e5d0a1fb713dca2e1a861ea8dc99ff40b5 [2023-11-28 23:42:26,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:42:26,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:42:26,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:42:26,311 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:42:26,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:42:26,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_09_bad.i [2023-11-28 23:42:29,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:42:29,422 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:42:29,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_09_bad.i [2023-11-28 23:42:29,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data/04bfb2f76/ab972c634974418e8920d750a0641c9a/FLAG63fa50d2c [2023-11-28 23:42:29,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data/04bfb2f76/ab972c634974418e8920d750a0641c9a [2023-11-28 23:42:29,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:42:29,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:42:29,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:42:29,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:42:29,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:42:29,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:29" (1/1) ... [2023-11-28 23:42:29,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d11878f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:29, skipping insertion in model container [2023-11-28 23:42:29,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:29" (1/1) ... [2023-11-28 23:42:29,532 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:42:30,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:42:30,252 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:42:30,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:42:30,453 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:30,453 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:30,453 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:30,453 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:30,460 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:42:30,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30 WrapperNode [2023-11-28 23:42:30,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:42:30,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:42:30,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:42:30,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:42:30,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,515 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-28 23:42:30,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:42:30,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:42:30,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:42:30,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:42:30,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,544 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2023-11-28 23:42:30,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:42:30,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:42:30,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:42:30,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:42:30,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (1/1) ... [2023-11-28 23:42:30,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:42:30,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:42:30,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:42:30,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:42:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-28 23:42:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-28 23:42:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:42:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 23:42:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 23:42:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:42:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:42:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:42:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:42:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-28 23:42:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 23:42:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 23:42:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:42:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 23:42:30,774 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:42:30,776 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:42:30,874 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:42:30,904 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:42:30,905 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-28 23:42:30,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:30 BoogieIcfgContainer [2023-11-28 23:42:30,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:42:30,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:42:30,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:42:30,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:42:30,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:42:29" (1/3) ... [2023-11-28 23:42:30,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d07f93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:30, skipping insertion in model container [2023-11-28 23:42:30,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:30" (2/3) ... [2023-11-28 23:42:30,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d07f93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:30, skipping insertion in model container [2023-11-28 23:42:30,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:30" (3/3) ... [2023-11-28 23:42:30,914 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_09_bad.i [2023-11-28 23:42:30,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:42:30,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-28 23:42:30,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:42:30,976 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;@686cba13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:42:30,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-28 23:42:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:42:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-28 23:42:30,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:30,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:30,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-28 23:42:30,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:30,994 INFO L85 PathProgramCache]: Analyzing trace with hash -724627866, now seen corresponding path program 1 times [2023-11-28 23:42:31,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:42:31,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651200825] [2023-11-28 23:42:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:31,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:42:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:42:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:42:31,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:42:31,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651200825] [2023-11-28 23:42:31,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651200825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:42:31,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:42:31,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:42:31,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822204798] [2023-11-28 23:42:31,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:42:31,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:42:31,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:42:31,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:42:31,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:42:31,325 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-28 23:42:31,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:42:31,357 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2023-11-28 23:42:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:42:31,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2023-11-28 23:42:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:42:31,373 INFO L225 Difference]: With dead ends: 30 [2023-11-28 23:42:31,374 INFO L226 Difference]: Without dead ends: 13 [2023-11-28 23:42:31,376 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 [2023-11-28 23:42:31,379 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 15 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:42:31,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:42:31,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-28 23:42:31,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-28 23:42:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) 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) [2023-11-28 23:42:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-28 23:42:31,413 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2023-11-28 23:42:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:42:31,414 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-28 23:42:31,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-28 23:42:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-28 23:42:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-28 23:42:31,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:31,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:31,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:42:31,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-28 23:42:31,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:31,417 INFO L85 PathProgramCache]: Analyzing trace with hash -724629788, now seen corresponding path program 1 times [2023-11-28 23:42:31,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:42:31,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182889602] [2023-11-28 23:42:31,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:42:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:42:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:42:31,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:42:31,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182889602] [2023-11-28 23:42:31,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182889602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:42:31,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:42:31,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:42:31,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394149234] [2023-11-28 23:42:31,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:42:31,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:42:31,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:42:31,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:42:31,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:42:31,609 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-11-28 23:42:31,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:42:31,643 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-11-28 23:42:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:42:31,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 10 [2023-11-28 23:42:31,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:42:31,644 INFO L225 Difference]: With dead ends: 13 [2023-11-28 23:42:31,645 INFO L226 Difference]: Without dead ends: 12 [2023-11-28 23:42:31,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:42:31,647 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:42:31,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 19 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:42:31,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-28 23:42:31,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-28 23:42:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2023-11-28 23:42:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-28 23:42:31,652 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2023-11-28 23:42:31,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:42:31,652 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-28 23:42:31,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-11-28 23:42:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-28 23:42:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-28 23:42:31,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:31,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:31,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 23:42:31,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-28 23:42:31,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:31,655 INFO L85 PathProgramCache]: Analyzing trace with hash -988686893, now seen corresponding path program 1 times [2023-11-28 23:42:31,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:42:31,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424438095] [2023-11-28 23:42:31,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:31,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:42:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:42:31,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:42:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:42:31,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:42:31,718 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 23:42:31,720 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-28 23:42:31,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-28 23:42:31,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 23:42:31,726 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-28 23:42:31,730 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:42:31,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-28 23:42:31,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argv [2023-11-28 23:42:31,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argc [2023-11-28 23:42:31,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-28 23:42:31,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argc [2023-11-28 23:42:31,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-28 23:42:31,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argv [2023-11-28 23:42:31,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-28 23:42:31,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:42:31 BoogieIcfgContainer [2023-11-28 23:42:31,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:42:31,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:42:31,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:42:31,761 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:42:31,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:30" (3/4) ... [2023-11-28 23:42:31,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:42:31,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:42:31,765 INFO L158 Benchmark]: Toolchain (without parser) took 2302.28ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 123.7MB in the beginning and 128.1MB in the end (delta: -4.5MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-28 23:42:31,766 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:42:31,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 996.05ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 111.3MB in the end (delta: 12.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-11-28 23:42:31,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.63ms. Allocated memory is still 159.4MB. Free memory was 111.3MB in the beginning and 108.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:42:31,767 INFO L158 Benchmark]: Boogie Preprocessor took 41.44ms. Allocated memory is still 159.4MB. Free memory was 108.3MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:42:31,768 INFO L158 Benchmark]: RCFGBuilder took 347.37ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 92.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-28 23:42:31,768 INFO L158 Benchmark]: TraceAbstraction took 851.79ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 91.6MB in the beginning and 129.2MB in the end (delta: -37.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:42:31,769 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 195.0MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:42:31,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 996.05ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 111.3MB in the end (delta: 12.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.63ms. Allocated memory is still 159.4MB. Free memory was 111.3MB in the beginning and 108.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.44ms. Allocated memory is still 159.4MB. Free memory was 108.3MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.37ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 92.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 851.79ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 91.6MB in the beginning and 129.2MB in the end (delta: -37.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 195.0MB. Free memory is still 128.1MB. 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~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argv - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argc - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argc - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argv - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483652:2147483651}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_fscanf_add_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 19 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.3s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 [2023-11-28 23:42:31,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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_c9d8f558-f830-4571-9ec6-be2c265b9108/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 ab15b4a943b144ea52d2c9c3835629e5d0a1fb713dca2e1a861ea8dc99ff40b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:42:33,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:42:33,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-28 23:42:33,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:42:33,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:42:33,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-28 23:42:33,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:42:33,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:42:33,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:42:33,845 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:42:33,846 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:42:33,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:42:33,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:42:33,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:42:33,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:42:33,849 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:42:33,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:42:33,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:42:33,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:42:33,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:42:33,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:42:33,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:42:33,852 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:42:33,852 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 23:42:33,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 23:42:33,853 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 23:42:33,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:42:33,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:42:33,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:42:33,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:42:33,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:42:33,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:42:33,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:42:33,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:42:33,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:42:33,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:42:33,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:42:33,857 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 23:42:33,857 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 23:42:33,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:42:33,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:42:33,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:42:33,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:42:33,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:42:33,858 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 23:42:33,859 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_c9d8f558-f830-4571-9ec6-be2c265b9108/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab15b4a943b144ea52d2c9c3835629e5d0a1fb713dca2e1a861ea8dc99ff40b5 [2023-11-28 23:42:34,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:42:34,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:42:34,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:42:34,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:42:34,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:42:34,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_09_bad.i [2023-11-28 23:42:36,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:42:37,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:42:37,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_09_bad.i [2023-11-28 23:42:37,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data/752c8add5/60b93d9973f34a40b1c3d8dc3bc8c3ba/FLAG28ea6dff1 [2023-11-28 23:42:37,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/data/752c8add5/60b93d9973f34a40b1c3d8dc3bc8c3ba [2023-11-28 23:42:37,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:42:37,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:42:37,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:42:37,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:42:37,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:42:37,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:37" (1/1) ... [2023-11-28 23:42:37,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aca5d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:37, skipping insertion in model container [2023-11-28 23:42:37,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:37" (1/1) ... [2023-11-28 23:42:37,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:42:38,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:42:38,221 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:42:38,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:42:38,463 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:38,463 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:38,464 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:38,464 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:42:38,471 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:42:38,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38 WrapperNode [2023-11-28 23:42:38,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:42:38,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:42:38,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:42:38,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:42:38,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,530 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-11-28 23:42:38,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:42:38,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:42:38,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:42:38,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:42:38,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,543 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,556 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2023-11-28 23:42:38,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:42:38,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:42:38,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:42:38,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:42:38,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (1/1) ... [2023-11-28 23:42:38,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:42:38,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:42:38,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:42:38,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:42:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-28 23:42:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-28 23:42:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:42:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 23:42:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-28 23:42:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:42:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:42:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:42:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-28 23:42:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-28 23:42:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:42:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-28 23:42:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-28 23:42:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-28 23:42:38,799 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:42:38,801 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:42:38,919 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:42:38,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:42:38,954 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-28 23:42:38,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:38 BoogieIcfgContainer [2023-11-28 23:42:38,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:42:38,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:42:38,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:42:38,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:42:38,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:42:37" (1/3) ... [2023-11-28 23:42:38,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568d56cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:38, skipping insertion in model container [2023-11-28 23:42:38,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:38" (2/3) ... [2023-11-28 23:42:38,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568d56cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:38, skipping insertion in model container [2023-11-28 23:42:38,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:38" (3/3) ... [2023-11-28 23:42:38,972 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_09_bad.i [2023-11-28 23:42:38,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:42:38,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-28 23:42:39,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:42:39,047 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;@2257ed6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:42:39,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-28 23:42:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:42:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-28 23:42:39,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:39,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:39,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-28 23:42:39,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:39,066 INFO L85 PathProgramCache]: Analyzing trace with hash -724627866, now seen corresponding path program 1 times [2023-11-28 23:42:39,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:42:39,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229443120] [2023-11-28 23:42:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:39,081 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 [2023-11-28 23:42:39,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:42:39,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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) [2023-11-28 23:42:39,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:39,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 23:42:39,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:42:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:42:39,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:42:39,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:42:39,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229443120] [2023-11-28 23:42:39,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229443120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:42:39,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:42:39,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:42:39,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954981082] [2023-11-28 23:42:39,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:42:39,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:42:39,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:42:39,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:42:39,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:42:39,268 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-28 23:42:39,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:42:39,292 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-11-28 23:42:39,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:42:39,295 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2023-11-28 23:42:39,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:42:39,300 INFO L225 Difference]: With dead ends: 17 [2023-11-28 23:42:39,300 INFO L226 Difference]: Without dead ends: 12 [2023-11-28 23:42:39,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:42:39,305 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:42:39,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:42:39,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-28 23:42:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-28 23:42:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2023-11-28 23:42:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2023-11-28 23:42:39,333 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2023-11-28 23:42:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:42:39,333 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2023-11-28 23:42:39,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-28 23:42:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-28 23:42:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-28 23:42:39,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:39,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:39,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:39,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:39,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-28 23:42:39,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:39,538 INFO L85 PathProgramCache]: Analyzing trace with hash -988627311, now seen corresponding path program 1 times [2023-11-28 23:42:39,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:42:39,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692086229] [2023-11-28 23:42:39,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:39,539 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 [2023-11-28 23:42:39,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:42:39,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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) [2023-11-28 23:42:39,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:42:39,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:42:39,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:42:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:42:39,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:42:39,672 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:42:39,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692086229] [2023-11-28 23:42:39,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692086229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:42:39,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:42:39,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:42:39,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231773035] [2023-11-28 23:42:39,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:42:39,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:42:39,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:42:39,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:42:39,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:42:39,675 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. 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) [2023-11-28 23:42:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:42:39,692 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2023-11-28 23:42:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:42:39,693 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 [2023-11-28 23:42:39,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:42:39,694 INFO L225 Difference]: With dead ends: 16 [2023-11-28 23:42:39,694 INFO L226 Difference]: Without dead ends: 12 [2023-11-28 23:42:39,694 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 [2023-11-28 23:42:39,696 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:42:39,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:42:39,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-28 23:42:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-28 23:42:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2023-11-28 23:42:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-28 23:42:39,701 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2023-11-28 23:42:39,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:42:39,702 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-28 23:42:39,702 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) [2023-11-28 23:42:39,702 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-28 23:42:39,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-28 23:42:39,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:42:39,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:42:39,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:39,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:39,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-28 23:42:39,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:42:39,905 INFO L85 PathProgramCache]: Analyzing trace with hash -988686893, now seen corresponding path program 1 times [2023-11-28 23:42:39,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:42:39,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617246088] [2023-11-28 23:42:39,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:42:39,906 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 [2023-11-28 23:42:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:42:39,907 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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) [2023-11-28 23:42:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:42:40,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:42:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:42:40,089 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-28 23:42:40,090 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 23:42:40,090 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-28 23:42:40,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-28 23:42:40,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:40,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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 [2023-11-28 23:42:40,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-28 23:42:40,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:42:40,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-28 23:42:40,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argv [2023-11-28 23:42:40,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argc [2023-11-28 23:42:40,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-28 23:42:40,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argv [2023-11-28 23:42:40,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~argc [2023-11-28 23:42:40,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-28 23:42:40,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-28 23:42:40,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:42:40 BoogieIcfgContainer [2023-11-28 23:42:40,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:42:40,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:42:40,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:42:40,329 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:42:40,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:38" (3/4) ... [2023-11-28 23:42:40,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:42:40,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:42:40,332 INFO L158 Benchmark]: Toolchain (without parser) took 2975.99ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 44.5MB in the beginning and 72.6MB in the end (delta: -28.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-28 23:42:40,333 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:42:40,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1114.21ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 44.2MB in the beginning and 64.5MB in the end (delta: -20.3MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-28 23:42:40,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.92ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 61.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:42:40,334 INFO L158 Benchmark]: Boogie Preprocessor took 44.39ms. Allocated memory is still 104.9MB. Free memory was 61.3MB in the beginning and 58.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 23:42:40,335 INFO L158 Benchmark]: RCFGBuilder took 379.22ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 43.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-28 23:42:40,335 INFO L158 Benchmark]: TraceAbstraction took 1370.51ms. Allocated memory is still 104.9MB. Free memory was 42.4MB in the beginning and 73.3MB in the end (delta: -30.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-28 23:42:40,335 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:42:40,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1114.21ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 44.2MB in the beginning and 64.5MB in the end (delta: -20.3MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.92ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 61.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.39ms. Allocated memory is still 104.9MB. Free memory was 61.3MB in the beginning and 58.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 379.22ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 43.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1370.51ms. Allocated memory is still 104.9MB. Free memory was 42.4MB in the beginning and 73.3MB in the end (delta: -30.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. 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~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argv - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argc - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argv - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~argc - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~argc has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_fscanf_add_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 3 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 [2023-11-28 23:42:40,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d8f558-f830-4571-9ec6-be2c265b9108/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