./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:11:54,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:11:54,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:11:54,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:11:54,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:11:55,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:11:55,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:11:55,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:11:55,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:11:55,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:11:55,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:11:55,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:11:55,021 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:11:55,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:11:55,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:11:55,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:11:55,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:11:55,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:11:55,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:11:55,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:11:55,026 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:11:55,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:11:55,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:11:55,027 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:11:55,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:11:55,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:11:55,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:11:55,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:11:55,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:11:55,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:11:55,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:11:55,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:11:55,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:11:55,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:11:55,033 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:11:55,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:11:55,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:11:55,034 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:11:55,034 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_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d [2023-11-06 22:11:55,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:11:55,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:11:55,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:11:55,403 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:11:55,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:11:55,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2023-11-06 22:11:58,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:11:58,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:11:58,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2023-11-06 22:11:58,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data/637a6cd5c/a09ee324bd7d4d87b114808ffc47a274/FLAGbd89332a8 [2023-11-06 22:11:58,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data/637a6cd5c/a09ee324bd7d4d87b114808ffc47a274 [2023-11-06 22:11:58,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:11:58,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:11:58,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:11:58,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:11:59,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:11:59,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:11:58" (1/1) ... [2023-11-06 22:11:59,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514b09a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:59, skipping insertion in model container [2023-11-06 22:11:59,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:11:58" (1/1) ... [2023-11-06 22:11:59,085 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:11:59,543 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:12:00,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:12:00,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:12:00,277 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:12:00,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:12:00,538 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:00,539 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:00,539 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:00,539 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:00,539 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:00,540 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:00,540 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:00,548 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:12:00,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00 WrapperNode [2023-11-06 22:12:00,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:12:00,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:12:00,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:12:00,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:12:00,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,621 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2023-11-06 22:12:00,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:12:00,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:12:00,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:12:00,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:12:00,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:12:00,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:12:00,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:12:00,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:12:00,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (1/1) ... [2023-11-06 22:12:00,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:12:00,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:12:00,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:12:00,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:12:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:12:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:12:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:12:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:12:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:12:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:12:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:12:00,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:12:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:12:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:12:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:12:00,926 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:12:00,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:12:01,061 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:12:01,068 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:12:01,068 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:12:01,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:01 BoogieIcfgContainer [2023-11-06 22:12:01,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:12:01,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:12:01,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:12:01,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:12:01,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:11:58" (1/3) ... [2023-11-06 22:12:01,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d64aea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:12:01, skipping insertion in model container [2023-11-06 22:12:01,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:00" (2/3) ... [2023-11-06 22:12:01,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d64aea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:12:01, skipping insertion in model container [2023-11-06 22:12:01,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:01" (3/3) ... [2023-11-06 22:12:01,081 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2023-11-06 22:12:01,099 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:12:01,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:12:01,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:12:01,152 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=LoopsAndPotentialCycles, 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;@1f00658a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:12:01,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 22:12:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:12:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:12:01,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:01,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:01,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:12:01,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:01,179 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2023-11-06 22:12:01,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:01,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784871605] [2023-11-06 22:12:01,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:01,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:12:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:12:01,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:01,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784871605] [2023-11-06 22:12:01,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784871605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:01,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:01,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:12:01,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806259160] [2023-11-06 22:12:01,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:01,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:12:01,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:01,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:12:01,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:12:01,771 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-11-06 22:12:01,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:01,853 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-06 22:12:01,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:12:01,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2023-11-06 22:12:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:01,867 INFO L225 Difference]: With dead ends: 24 [2023-11-06 22:12:01,868 INFO L226 Difference]: Without dead ends: 14 [2023-11-06 22:12:01,871 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 [2023-11-06 22:12:01,878 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:01,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 57 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:12:01,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-06 22:12:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-06 22:12:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-06 22:12:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-06 22:12:01,921 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2023-11-06 22:12:01,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:01,923 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 22:12:01,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-11-06 22:12:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-06 22:12:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:12:01,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:01,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:01,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:12:01,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:12:01,930 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:01,931 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2023-11-06 22:12:01,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:01,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011069654] [2023-11-06 22:12:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:12:02,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:12:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:12:02,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:12:02,079 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:12:02,081 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 22:12:02,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 22:12:02,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:12:02,090 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:12:02,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:12:02,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:12:02 BoogieIcfgContainer [2023-11-06 22:12:02,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:12:02,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:12:02,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:12:02,154 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:12:02,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:01" (3/4) ... [2023-11-06 22:12:02,158 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:12:02,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:12:02,160 INFO L158 Benchmark]: Toolchain (without parser) took 3167.20ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 117.3MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:12:02,161 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:12:02,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1552.55ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 104.3MB in the end (delta: 7.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-06 22:12:02,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.25ms. Allocated memory is still 161.5MB. Free memory was 104.3MB in the beginning and 101.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:12:02,167 INFO L158 Benchmark]: Boogie Preprocessor took 56.13ms. Allocated memory is still 161.5MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:12:02,171 INFO L158 Benchmark]: RCFGBuilder took 391.33ms. Allocated memory is still 161.5MB. Free memory was 99.1MB in the beginning and 86.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:12:02,172 INFO L158 Benchmark]: TraceAbstraction took 1078.42ms. Allocated memory is still 161.5MB. Free memory was 85.4MB in the beginning and 117.3MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:12:02,172 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 161.5MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:12:02,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1552.55ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 104.3MB in the end (delta: 7.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.25ms. Allocated memory is still 161.5MB. Free memory was 104.3MB in the beginning and 101.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.13ms. Allocated memory is still 161.5MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.33ms. Allocated memory is still 161.5MB. Free memory was 99.1MB in the beginning and 86.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1078.42ms. Allocated memory is still 161.5MB. Free memory was 85.4MB in the beginning and 117.3MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 161.5MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483652, argc=2147483652, argv={2147483651:2147483650}, argv={2147483651:2147483650}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_postinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] EXPR data = atoi(inputBuffer) [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1561-L1571] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1572] CALL funcPtr(data) [L1551] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data++=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 24 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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 [2023-11-06 22:12:02,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:12:04,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:12:05,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-06 22:12:05,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:12:05,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:12:05,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-06 22:12:05,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:12:05,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:12:05,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:12:05,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:12:05,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:12:05,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:12:05,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:12:05,145 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:12:05,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:12:05,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:12:05,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:12:05,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:12:05,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:12:05,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:12:05,150 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:12:05,150 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:12:05,151 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:12:05,151 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:12:05,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:12:05,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:12:05,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:12:05,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:12:05,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:12:05,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:12:05,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:12:05,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:12:05,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:12:05,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:12:05,158 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:12:05,158 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:12:05,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:12:05,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:12:05,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:12:05,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:12:05,161 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:12:05,161 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:12:05,161 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_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1662a0a1bb5781a96ebe0a43800bee02f7d32295c8f6c443a6b6c5351ed37f0d [2023-11-06 22:12:05,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:12:05,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:12:05,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:12:05,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:12:05,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:12:05,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2023-11-06 22:12:08,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:12:09,290 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:12:09,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2023-11-06 22:12:09,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data/3dc46b791/fb7a45148ef34997a609862a9df1ed78/FLAG948b5a9c0 [2023-11-06 22:12:09,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/data/3dc46b791/fb7a45148ef34997a609862a9df1ed78 [2023-11-06 22:12:09,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:12:09,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:12:09,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:12:09,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:12:09,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:12:09,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:12:09" (1/1) ... [2023-11-06 22:12:09,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f71e7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:09, skipping insertion in model container [2023-11-06 22:12:09,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:12:09" (1/1) ... [2023-11-06 22:12:09,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:12:09,887 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:12:10,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:12:10,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:12:10,598 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:12:10,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:12:10,847 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:10,847 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:10,848 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:10,848 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:10,848 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:10,848 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:10,849 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:12:10,857 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:12:10,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10 WrapperNode [2023-11-06 22:12:10,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:12:10,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:12:10,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:12:10,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:12:10,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,942 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2023-11-06 22:12:10,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:12:10,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:12:10,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:12:10,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:12:10,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:12:10,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:12:10,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:12:10,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:12:10,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (1/1) ... [2023-11-06 22:12:10,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:12:11,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:12:11,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:12:11,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:12:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:12:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:12:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:12:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 22:12:11,286 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:12:11,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:12:11,435 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:12:11,442 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:12:11,442 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:12:11,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:11 BoogieIcfgContainer [2023-11-06 22:12:11,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:12:11,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:12:11,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:12:11,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:12:11,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:12:09" (1/3) ... [2023-11-06 22:12:11,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5f663c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:12:11, skipping insertion in model container [2023-11-06 22:12:11,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:12:10" (2/3) ... [2023-11-06 22:12:11,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5f663c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:12:11, skipping insertion in model container [2023-11-06 22:12:11,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:11" (3/3) ... [2023-11-06 22:12:11,457 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_44_bad.i [2023-11-06 22:12:11,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:12:11,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:12:11,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:12:11,545 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=LoopsAndPotentialCycles, 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;@302d3501, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:12:11,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 22:12:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:12:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:12:11,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:11,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:11,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:12:11,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:11,569 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2023-11-06 22:12:11,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:12:11,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566309344] [2023-11-06 22:12:11,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:11,588 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 [2023-11-06 22:12:11,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:12:11,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:12:11,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:12:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:12:11,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:12:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:12:11,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:12:11,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:12:11,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566309344] [2023-11-06 22:12:11,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566309344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:11,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:11,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:12:11,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812863480] [2023-11-06 22:12:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:11,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:12:11,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:12:11,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:12:11,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:12:11,897 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) 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) [2023-11-06 22:12:11,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:11,920 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-06 22:12:11,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:12:11,923 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) 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 [2023-11-06 22:12:11,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:11,931 INFO L225 Difference]: With dead ends: 24 [2023-11-06 22:12:11,931 INFO L226 Difference]: Without dead ends: 14 [2023-11-06 22:12:11,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:12:11,939 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:11,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:12:11,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-06 22:12:11,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-06 22:12:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-06 22:12:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-06 22:12:11,995 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2023-11-06 22:12:11,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:11,997 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 22:12:11,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) 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) [2023-11-06 22:12:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-06 22:12:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:12:12,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:12,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:12,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:12:12,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:12:12,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:12:12,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:12,236 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2023-11-06 22:12:12,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:12:12,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217741050] [2023-11-06 22:12:12,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:12,238 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 [2023-11-06 22:12:12,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:12:12,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:12:12,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:12:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:12:12,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:12:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:12:12,476 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 22:12:12,477 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:12:12,483 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 22:12:12,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 22:12:12,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:12:12,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:12:12,697 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:12:12,700 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:12:12,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:12:12 BoogieIcfgContainer [2023-11-06 22:12:12,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:12:12,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:12:12,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:12:12,738 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:12:12,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:11" (3/4) ... [2023-11-06 22:12:12,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:12:12,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:12:12,743 INFO L158 Benchmark]: Toolchain (without parser) took 3398.70ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 69.2MB in the beginning and 77.2MB in the end (delta: -7.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-06 22:12:12,744 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:12:12,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1510.75ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 53.6MB in the end (delta: 15.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-06 22:12:12,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.64ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:12:12,746 INFO L158 Benchmark]: Boogie Preprocessor took 40.10ms. Allocated memory is still 96.5MB. Free memory was 50.4MB in the beginning and 48.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:12:12,746 INFO L158 Benchmark]: RCFGBuilder took 460.69ms. Allocated memory is still 96.5MB. Free memory was 48.4MB in the beginning and 60.9MB in the end (delta: -12.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-06 22:12:12,747 INFO L158 Benchmark]: TraceAbstraction took 1290.15ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.9MB in the beginning and 77.8MB in the end (delta: -17.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-11-06 22:12:12,748 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.2MB in the end (delta: 631.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:12:12,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1510.75ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 53.6MB in the end (delta: 15.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.64ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.10ms. Allocated memory is still 96.5MB. Free memory was 50.4MB in the beginning and 48.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.69ms. Allocated memory is still 96.5MB. Free memory was 48.4MB in the beginning and 60.9MB in the end (delta: -12.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1290.15ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.9MB in the beginning and 77.8MB in the end (delta: -17.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.2MB in the end (delta: 631.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1577] 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}, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_postinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] EXPR data = atoi(inputBuffer) [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1561-L1571] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1572] CALL funcPtr(data) [L1551] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data++=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 73 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 [2023-11-06 22:12:12,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4bfff7-4db3-4db7-9b71-9829d525b55c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample