./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu --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 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:56,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:56,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:46:56,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:56,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:56,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:56,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:56,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:56,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:56,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:56,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:56,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:56,674 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:56,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:56,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:56,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:56,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:56,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:56,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:56,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:56,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:46:56,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:56,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:56,681 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:56,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:56,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:56,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:56,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:56,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:56,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:56,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:56,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:56,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:56,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:56,687 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:56,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:56,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:56,688 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:56,688 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_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 [2023-11-19 07:46:56,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:57,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:57,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:57,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:57,005 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:57,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2023-11-19 07:47:00,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:00,681 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:00,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2023-11-19 07:47:00,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data/2d6d9d36f/8f3cdf6ba8034e71b45eae2fcc8f896a/FLAG7d8ce5814 [2023-11-19 07:47:00,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data/2d6d9d36f/8f3cdf6ba8034e71b45eae2fcc8f896a [2023-11-19 07:47:00,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:00,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:00,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:00,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:00,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:00,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:00" (1/1) ... [2023-11-19 07:47:00,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753b8daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:00, skipping insertion in model container [2023-11-19 07:47:00,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:00" (1/1) ... [2023-11-19 07:47:00,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:01,294 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:47:01,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:01,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:02,045 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:47:02,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:02,310 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:02,310 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:02,310 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:02,311 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:02,313 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:02,314 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:02,322 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:02,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02 WrapperNode [2023-11-19 07:47:02,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:02,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:02,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:02,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:02,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,401 INFO L138 Inliner]: procedures = 500, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-11-19 07:47:02,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:02,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:02,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:02,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:02,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:02,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:02,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:02,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:02,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (1/1) ... [2023-11-19 07:47:02,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:02,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 07:47:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:47:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:47:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:47:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:47:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:02,807 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:02,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:03,031 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:03,038 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:03,038 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:47:03,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:03 BoogieIcfgContainer [2023-11-19 07:47:03,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:03,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:03,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:03,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:03,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:00" (1/3) ... [2023-11-19 07:47:03,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b9df30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:03, skipping insertion in model container [2023-11-19 07:47:03,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:02" (2/3) ... [2023-11-19 07:47:03,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b9df30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:03, skipping insertion in model container [2023-11-19 07:47:03,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:03" (3/3) ... [2023-11-19 07:47:03,051 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2023-11-19 07:47:03,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:03,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 07:47:03,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:03,118 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;@e651b32, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:03,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 07:47:03,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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) [2023-11-19 07:47:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:47:03,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:03,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:03,130 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 07:47:03,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,134 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2023-11-19 07:47:03,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26236939] [2023-11-19 07:47:03,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:03,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26236939] [2023-11-19 07:47:03,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26236939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:03,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:03,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:03,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94891033] [2023-11-19 07:47:03,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:03,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:03,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:03,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:03,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:03,582 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:47:03,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:03,621 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-19 07:47:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:03,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-19 07:47:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:03,632 INFO L225 Difference]: With dead ends: 25 [2023-11-19 07:47:03,632 INFO L226 Difference]: Without dead ends: 15 [2023-11-19 07:47:03,634 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 [2023-11-19 07:47:03,637 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:03,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 42 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:03,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-19 07:47:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-19 07:47:03,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2023-11-19 07:47:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-19 07:47:03,685 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2023-11-19 07:47:03,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:03,686 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-19 07:47:03,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:47:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 07:47:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:47:03,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:03,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:03,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:03,689 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 07:47:03,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,690 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2023-11-19 07:47:03,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633217208] [2023-11-19 07:47:03,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:03,806 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:03,808 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 07:47:03,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 07:47:03,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:47:03,822 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:47:03,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:03,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:03 BoogieIcfgContainer [2023-11-19 07:47:03,860 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:03,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:03,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:03,861 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:03,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:03" (3/4) ... [2023-11-19 07:47:03,864 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:47:03,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:03,866 INFO L158 Benchmark]: Toolchain (without parser) took 3133.47ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 79.0MB in the beginning and 68.8MB in the end (delta: 10.2MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:03,867 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:03,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1589.29ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 78.8MB in the beginning and 127.5MB in the end (delta: -48.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:03,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.97ms. Allocated memory is still 192.9MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:03,869 INFO L158 Benchmark]: Boogie Preprocessor took 47.74ms. Allocated memory is still 192.9MB. Free memory was 124.3MB in the beginning and 123.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:03,869 INFO L158 Benchmark]: RCFGBuilder took 590.16ms. Allocated memory is still 192.9MB. Free memory was 123.3MB in the beginning and 108.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:03,870 INFO L158 Benchmark]: TraceAbstraction took 816.41ms. Allocated memory is still 192.9MB. Free memory was 107.6MB in the beginning and 68.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:03,871 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 192.9MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:03,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1589.29ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 78.8MB in the beginning and 127.5MB in the end (delta: -48.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.97ms. Allocated memory is still 192.9MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.74ms. Allocated memory is still 192.9MB. Free memory was 124.3MB in the beginning and 123.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.16ms. Allocated memory is still 192.9MB. Free memory was 123.3MB in the beginning and 108.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 816.41ms. Allocated memory is still 192.9MB. Free memory was 107.6MB in the beginning and 68.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 192.9MB. Free memory is still 68.8MB. 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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] [L1581] 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) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=1073741835, argc=1073741835, argv={1073741831:1073741830}, argv={1073741831:1073741830}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] EXPR *dataPtr1 = data [L1554-L1568] { int data = *dataPtr1; { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } *dataPtr1 = data; } [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1571] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data={6:0}, dataPtr1={6:0}, dataPtr2={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data={6:0}, dataPtr1={6:0}, dataPtr2={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1573]: 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 9 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=24occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2023-11-19 07:47:03,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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 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_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu --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 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:06,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:06,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-19 07:47:06,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:06,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:06,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-19 07:47:06,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:06,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:06,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:06,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:06,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:06,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:06,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:06,856 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:06,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:06,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:06,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:06,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:06,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:06,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:06,861 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:06,862 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:47:06,862 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:47:06,863 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:47:06,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:47:06,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:06,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:06,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:06,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:06,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:06,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:06,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:06,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:06,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:06,870 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:47:06,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:47:06,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:06,871 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:06,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:06,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:06,873 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:47:06,873 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:06,874 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_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 [2023-11-19 07:47:07,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:07,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:07,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:07,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:07,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:07,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2023-11-19 07:47:10,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:11,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:11,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2023-11-19 07:47:11,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data/b7fe0f051/6a77b5427c5949ca85b8d962e56600cf/FLAGcf64a633e [2023-11-19 07:47:11,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/data/b7fe0f051/6a77b5427c5949ca85b8d962e56600cf [2023-11-19 07:47:11,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:11,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:11,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:11,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:11,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:11,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:11" (1/1) ... [2023-11-19 07:47:11,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ef6045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:11, skipping insertion in model container [2023-11-19 07:47:11,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:11" (1/1) ... [2023-11-19 07:47:11,336 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:11,804 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:47:12,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:12,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:12,518 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:47:12,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:12,723 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:12,724 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:12,724 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:12,724 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:12,724 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:12,725 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:12,733 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:12,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12 WrapperNode [2023-11-19 07:47:12,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:12,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:12,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:12,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:12,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,833 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-19 07:47:12,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:12,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:12,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:12,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:12,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:12,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:12,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:12,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:12,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (1/1) ... [2023-11-19 07:47:12,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:12,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:12,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:12,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 07:47:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:47:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:47:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:47:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:47:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:47:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:47:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 07:47:13,153 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:13,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:13,407 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:13,415 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:13,415 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:47:13,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:13 BoogieIcfgContainer [2023-11-19 07:47:13,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:13,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:13,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:13,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:13,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:11" (1/3) ... [2023-11-19 07:47:13,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5218dba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:13, skipping insertion in model container [2023-11-19 07:47:13,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:12" (2/3) ... [2023-11-19 07:47:13,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5218dba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:13, skipping insertion in model container [2023-11-19 07:47:13,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:13" (3/3) ... [2023-11-19 07:47:13,430 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2023-11-19 07:47:13,452 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:13,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 07:47:13,514 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:13,522 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;@87ea62d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:13,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 07:47:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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) [2023-11-19 07:47:13,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:47:13,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:13,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:13,536 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 07:47:13,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:13,543 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2023-11-19 07:47:13,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:13,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568111109] [2023-11-19 07:47:13,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:13,561 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 [2023-11-19 07:47:13,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:13,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:13,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:13,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:47:13,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:13,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:13,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:13,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568111109] [2023-11-19 07:47:13,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568111109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:13,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:13,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:13,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346436299] [2023-11-19 07:47:13,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:13,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:13,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:13,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:13,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:13,904 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:47:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:14,009 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-19 07:47:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:14,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-19 07:47:14,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:14,020 INFO L225 Difference]: With dead ends: 25 [2023-11-19 07:47:14,020 INFO L226 Difference]: Without dead ends: 15 [2023-11-19 07:47:14,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:14,027 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:14,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 42 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-19 07:47:14,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-19 07:47:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2023-11-19 07:47:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-19 07:47:14,071 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2023-11-19 07:47:14,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:14,074 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-19 07:47:14,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:47:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 07:47:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:47:14,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:14,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:14,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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)] Ended with exit code 0 [2023-11-19 07:47:14,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:14,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 07:47:14,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:14,285 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2023-11-19 07:47:14,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:14,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356959100] [2023-11-19 07:47:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:14,288 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 [2023-11-19 07:47:14,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:14,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:14,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:14,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:14,627 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-19 07:47:14,632 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:14,638 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 07:47:14,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 07:47:14,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:14,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:14,845 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:47:14,849 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:14,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:14 BoogieIcfgContainer [2023-11-19 07:47:14,893 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:14,894 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:14,894 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:14,895 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:14,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:13" (3/4) ... [2023-11-19 07:47:14,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:47:14,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:14,900 INFO L158 Benchmark]: Toolchain (without parser) took 3651.82ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 67.0MB in the end (delta: 18.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-19 07:47:14,900 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:14,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1484.52ms. Allocated memory is still 113.2MB. Free memory was 85.6MB in the beginning and 52.3MB in the end (delta: 33.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-19 07:47:14,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.98ms. Allocated memory is still 113.2MB. Free memory was 51.8MB in the beginning and 84.8MB in the end (delta: -33.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-19 07:47:14,902 INFO L158 Benchmark]: Boogie Preprocessor took 51.68ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:14,902 INFO L158 Benchmark]: RCFGBuilder took 532.57ms. Allocated memory is still 113.2MB. Free memory was 82.7MB in the beginning and 66.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:47:14,903 INFO L158 Benchmark]: TraceAbstraction took 1471.78ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 67.0MB in the end (delta: -763.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:14,903 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:14,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1484.52ms. Allocated memory is still 113.2MB. Free memory was 85.6MB in the beginning and 52.3MB in the end (delta: 33.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.98ms. Allocated memory is still 113.2MB. Free memory was 51.8MB in the beginning and 84.8MB in the end (delta: -33.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.68ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.57ms. Allocated memory is still 113.2MB. Free memory was 82.7MB in the beginning and 66.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1471.78ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 67.0MB in the end (delta: -763.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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] [L1581] 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) [L1581] 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] EXPR *dataPtr1 = data [L1554-L1568] { int data = *dataPtr1; { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } *dataPtr1 = data; } [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1571] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data={-9223372036854775808:0}, dataPtr1={-9223372036854775808:0}, dataPtr2={-9223372036854775808:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, data={-9223372036854775808:0}, dataPtr1={-9223372036854775808:0}, dataPtr2={-9223372036854775808:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1573]: 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: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 2 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 [2023-11-19 07:47:14,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198274eb-4235-4483-824c-fd9c2b494b42/bin/uautomizer-verify-uCwYo4JHxu/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