./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/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_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/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_714c52b8-d05b-4992-841f-f8adf947be19/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 d20837809b4d358ba1473d6b7d7b57d357bec57bd531c02e3a6642ccfc986f0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:09:23,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:09:23,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 03:09:23,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:09:23,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:09:23,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:09:23,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:09:23,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:09:23,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:09:23,142 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:09:23,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:09:23,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:09:23,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:09:23,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:09:23,145 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:09:23,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:09:23,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:09:23,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:09:23,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:09:23,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:09:23,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:09:23,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:09:23,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:09:23,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:09:23,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:09:23,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:09:23,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:09:23,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:09:23,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:09:23,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:09:23,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:09:23,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:09:23,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:09:23,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:09:23,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:09:23,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:09:23,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:09:23,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:09:23,156 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:09:23,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:09:23,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:09:23,157 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_714c52b8-d05b-4992-841f-f8adf947be19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20837809b4d358ba1473d6b7d7b57d357bec57bd531c02e3a6642ccfc986f0c [2023-11-29 03:09:23,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:09:23,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:09:23,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:09:23,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:09:23,389 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:09:23,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_52_bad.i [2023-11-29 03:09:26,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:09:26,471 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:09:26,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_52_bad.i [2023-11-29 03:09:26,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data/4e57d2f54/6464b8cda2df42b4bd7be775e27e0be7/FLAG5e79fb86e [2023-11-29 03:09:26,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data/4e57d2f54/6464b8cda2df42b4bd7be775e27e0be7 [2023-11-29 03:09:26,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:09:26,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:09:26,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:09:26,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:09:26,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:09:26,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:09:26" (1/1) ... [2023-11-29 03:09:26,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e47512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:26, skipping insertion in model container [2023-11-29 03:09:26,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:09:26" (1/1) ... [2023-11-29 03:09:26,566 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:09:27,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:09:27,284 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:09:27,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:09:27,511 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:27,511 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:27,511 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:27,511 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:27,520 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:09:27,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27 WrapperNode [2023-11-29 03:09:27,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:09:27,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:09:27,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:09:27,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:09:27,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,581 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2023-11-29 03:09:27,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:09:27,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:09:27,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:09:27,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:09:27,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,612 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]. [2023-11-29 03:09:27,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:09:27,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:09:27,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:09:27,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:09:27,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (1/1) ... [2023-11-29 03:09:27,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:09:27,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:09:27,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:09:27,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:09:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 03:09:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 03:09:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:09:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:09:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:09:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:09:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:09:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:09:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:09:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 03:09:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:09:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:09:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:09:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:09:27,852 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:09:27,854 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:09:27,952 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:09:27,979 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:09:27,979 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:09:27,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:09:27 BoogieIcfgContainer [2023-11-29 03:09:27,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:09:27,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:09:27,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:09:27,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:09:27,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:09:26" (1/3) ... [2023-11-29 03:09:27,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109dcf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:09:27, skipping insertion in model container [2023-11-29 03:09:27,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:27" (2/3) ... [2023-11-29 03:09:27,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109dcf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:09:27, skipping insertion in model container [2023-11-29 03:09:27,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:09:27" (3/3) ... [2023-11-29 03:09:27,989 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_52_bad.i [2023-11-29 03:09:28,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:09:28,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 03:09:28,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:09:28,065 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;@1b211829, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:09:28,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 03:09:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:09:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 03:09:28,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:09:28,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:09:28,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 03:09:28,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:09:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash -80318952, now seen corresponding path program 1 times [2023-11-29 03:09:28,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:09:28,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154006561] [2023-11-29 03:09:28,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:28,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:09:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:09:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:09:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:09:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:09:28,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:09:28,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154006561] [2023-11-29 03:09:28,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154006561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:09:28,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:09:28,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:09:28,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516482115] [2023-11-29 03:09:28,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:09:28,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:09:28,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:09:28,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:09:28,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:09:28,534 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:09:28,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:09:28,563 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-29 03:09:28,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:09:28,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2023-11-29 03:09:28,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:09:28,571 INFO L225 Difference]: With dead ends: 14 [2023-11-29 03:09:28,571 INFO L226 Difference]: Without dead ends: 10 [2023-11-29 03:09:28,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:09:28,575 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:09:28,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:09:28,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-29 03:09:28,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-29 03:09:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-29 03:09:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-29 03:09:28,609 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-29 03:09:28,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:09:28,609 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-29 03:09:28,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:09:28,610 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-29 03:09:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 03:09:28,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:09:28,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:09:28,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:09:28,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 03:09:28,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:09:28,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1805079830, now seen corresponding path program 1 times [2023-11-29 03:09:28,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:09:28,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848200868] [2023-11-29 03:09:28,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:09:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:09:28,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:09:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:09:28,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:09:28,677 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:09:28,679 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 03:09:28,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 03:09:28,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:09:28,684 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 03:09:28,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:09:28,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-29 03:09:28,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:09:28 BoogieIcfgContainer [2023-11-29 03:09:28,712 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:09:28,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:09:28,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:09:28,713 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:09:28,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:09:27" (3/4) ... [2023-11-29 03:09:28,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:09:28,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:09:28,717 INFO L158 Benchmark]: Toolchain (without parser) took 2208.28ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 129.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-29 03:09:28,717 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:09:28,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1010.83ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 113.4MB in the end (delta: 18.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-29 03:09:28,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.55ms. Allocated memory is still 178.3MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:09:28,719 INFO L158 Benchmark]: Boogie Preprocessor took 44.64ms. Allocated memory is still 178.3MB. Free memory was 111.3MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:09:28,719 INFO L158 Benchmark]: RCFGBuilder took 352.58ms. Allocated memory is still 178.3MB. Free memory was 108.1MB in the beginning and 94.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:09:28,720 INFO L158 Benchmark]: TraceAbstraction took 729.28ms. Allocated memory is still 178.3MB. Free memory was 94.5MB in the beginning and 129.4MB in the end (delta: -34.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:09:28,720 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 178.3MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:09:28,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1010.83ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 113.4MB in the end (delta: 18.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.55ms. Allocated memory is still 178.3MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.64ms. Allocated memory is still 178.3MB. Free memory was 111.3MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 352.58ms. Allocated memory is still 178.3MB. Free memory was 108.1MB in the beginning and 94.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 729.28ms. Allocated memory is still 178.3MB. Free memory was 94.5MB in the beginning and 129.4MB in the end (delta: -34.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 178.3MB. Free memory is still 129.4MB. 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 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483651, argc=2147483651, argv={2147483654:2147483653}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_fscanf_add_52_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE190_Integer_Overflow__int_fscanf_add_52b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_fscanf_add_52c_badSink(data) [L1572] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1572]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 03:09:28,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/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_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/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_714c52b8-d05b-4992-841f-f8adf947be19/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 d20837809b4d358ba1473d6b7d7b57d357bec57bd531c02e3a6642ccfc986f0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:09:30,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:09:30,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 03:09:30,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:09:30,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:09:30,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 03:09:30,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:09:30,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:09:30,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:09:30,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:09:30,724 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:09:30,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:09:30,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:09:30,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:09:30,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:09:30,727 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:09:30,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:09:30,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:09:30,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:09:30,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:09:30,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:09:30,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:09:30,730 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:09:30,730 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:09:30,731 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:09:30,731 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:09:30,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:09:30,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:09:30,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:09:30,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:09:30,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:09:30,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:09:30,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:09:30,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:09:30,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:09:30,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:09:30,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:09:30,735 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:09:30,735 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:09:30,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:09:30,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:09:30,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:09:30,736 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:09:30,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:09:30,737 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:09:30,737 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_714c52b8-d05b-4992-841f-f8adf947be19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20837809b4d358ba1473d6b7d7b57d357bec57bd531c02e3a6642ccfc986f0c [2023-11-29 03:09:31,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:09:31,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:09:31,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:09:31,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:09:31,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:09:31,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_52_bad.i [2023-11-29 03:09:33,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:09:34,209 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:09:34,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_52_bad.i [2023-11-29 03:09:34,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data/aa520533c/9eebfa75ac2b44b78a1243ae61cebbc6/FLAGa7daea0d0 [2023-11-29 03:09:34,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/data/aa520533c/9eebfa75ac2b44b78a1243ae61cebbc6 [2023-11-29 03:09:34,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:09:34,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:09:34,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:09:34,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:09:34,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:09:34,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:09:34" (1/1) ... [2023-11-29 03:09:34,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592ccf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:34, skipping insertion in model container [2023-11-29 03:09:34,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:09:34" (1/1) ... [2023-11-29 03:09:34,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:09:35,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:09:35,061 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:09:35,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:09:35,318 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:35,318 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:35,319 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:35,319 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:09:35,327 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:09:35,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35 WrapperNode [2023-11-29 03:09:35,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:09:35,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:09:35,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:09:35,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:09:35,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,388 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 50 [2023-11-29 03:09:35,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:09:35,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:09:35,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:09:35,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:09:35,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,420 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]. [2023-11-29 03:09:35,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:09:35,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:09:35,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:09:35,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:09:35,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (1/1) ... [2023-11-29 03:09:35,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:09:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:09:35,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:09:35,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:09:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 03:09:35,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 03:09:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:09:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:09:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 03:09:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:09:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:09:35,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:09:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 03:09:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 03:09:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:09:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 03:09:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 03:09:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 03:09:35,679 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:09:35,681 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:09:35,828 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:09:35,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:09:35,859 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:09:35,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:09:35 BoogieIcfgContainer [2023-11-29 03:09:35,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:09:35,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:09:35,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:09:35,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:09:35,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:09:34" (1/3) ... [2023-11-29 03:09:35,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fbc4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:09:35, skipping insertion in model container [2023-11-29 03:09:35,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:09:35" (2/3) ... [2023-11-29 03:09:35,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fbc4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:09:35, skipping insertion in model container [2023-11-29 03:09:35,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:09:35" (3/3) ... [2023-11-29 03:09:35,868 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_52_bad.i [2023-11-29 03:09:35,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:09:35,888 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 03:09:35,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:09:35,941 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;@1f4fcf5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:09:35,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 03:09:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:09:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 03:09:35,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:09:35,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:09:35,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 03:09:35,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:09:35,972 INFO L85 PathProgramCache]: Analyzing trace with hash -80318952, now seen corresponding path program 1 times [2023-11-29 03:09:35,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:09:35,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135727389] [2023-11-29 03:09:35,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:35,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:09:35,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:09:35,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:09:35,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 03:09:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:09:36,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:09:36,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:09:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:09:36,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:09:36,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:09:36,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135727389] [2023-11-29 03:09:36,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135727389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:09:36,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:09:36,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:09:36,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014375656] [2023-11-29 03:09:36,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:09:36,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:09:36,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:09:36,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:09:36,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:09:36,184 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:09:36,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:09:36,211 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-29 03:09:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:09:36,213 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 8 [2023-11-29 03:09:36,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:09:36,219 INFO L225 Difference]: With dead ends: 14 [2023-11-29 03:09:36,220 INFO L226 Difference]: Without dead ends: 10 [2023-11-29 03:09:36,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:09:36,226 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 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 [2023-11-29 03:09:36,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:09:36,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-29 03:09:36,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-29 03:09:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-29 03:09:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-29 03:09:36,272 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-29 03:09:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:09:36,273 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-29 03:09:36,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:09:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-29 03:09:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 03:09:36,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:09:36,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:09:36,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:09:36,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:09:36,478 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 03:09:36,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:09:36,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1805079830, now seen corresponding path program 1 times [2023-11-29 03:09:36,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:09:36,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693327074] [2023-11-29 03:09:36,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:36,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:09:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:09:36,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:09:36,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 03:09:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:09:36,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:09:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:09:36,676 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 03:09:36,677 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:09:36,678 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 03:09:36,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 03:09:36,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 03:09:36,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:09:36,888 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 03:09:36,891 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:09:36,904 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-29 03:09:36,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:09:36 BoogieIcfgContainer [2023-11-29 03:09:36,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:09:36,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:09:36,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:09:36,913 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:09:36,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:09:35" (3/4) ... [2023-11-29 03:09:36,915 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:09:36,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:09:36,916 INFO L158 Benchmark]: Toolchain (without parser) took 2662.05ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 80.5MB in the beginning and 81.9MB in the end (delta: -1.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 03:09:36,917 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:09:36,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1071.95ms. Allocated memory is still 102.8MB. Free memory was 80.5MB in the beginning and 70.3MB in the end (delta: 10.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-29 03:09:36,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.78ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 67.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:09:36,919 INFO L158 Benchmark]: Boogie Preprocessor took 52.87ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 64.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:09:36,919 INFO L158 Benchmark]: RCFGBuilder took 416.56ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 48.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 03:09:36,920 INFO L158 Benchmark]: TraceAbstraction took 1049.88ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 47.8MB in the beginning and 81.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:09:36,920 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 123.7MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:09:36,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1071.95ms. Allocated memory is still 102.8MB. Free memory was 80.5MB in the beginning and 70.3MB in the end (delta: 10.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.78ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 67.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.87ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 64.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.56ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 48.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1049.88ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 47.8MB in the beginning and 81.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 123.7MB. Free memory is still 81.9MB. 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 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_fscanf_add_52_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE190_Integer_Overflow__int_fscanf_add_52b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_fscanf_add_52c_badSink(data) [L1572] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1572]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 03:09:36,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714c52b8-d05b-4992-841f-f8adf947be19/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