./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme --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 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:55,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:56,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:59:56,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:56,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:56,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:56,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:56,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:56,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:56,114 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:56,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:56,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:56,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:56,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:56,119 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:56,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:56,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:56,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:56,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:56,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:56,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:56,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:56,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:59:56,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:56,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:56,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:56,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:56,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:56,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:56,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:56,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:56,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:56,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:56,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:56,130 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:56,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:56,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:56,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:56,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:56,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:56,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:56,132 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_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 [2023-11-26 11:59:56,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:56,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:56,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:56,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:56,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:56,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-11-26 11:59:59,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:00,127 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:00,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-11-26 12:00:00,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data/2488164e7/8d8f2749923944df95207b9cda5752df/FLAG9204df6ec [2023-11-26 12:00:00,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data/2488164e7/8d8f2749923944df95207b9cda5752df [2023-11-26 12:00:00,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:00,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:00,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:00,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:00,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:00,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:00" (1/1) ... [2023-11-26 12:00:00,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fefd29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:00, skipping insertion in model container [2023-11-26 12:00:00,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:00" (1/1) ... [2023-11-26 12:00:00,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:01,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:01,334 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:01,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:01,628 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:01,628 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:01,628 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:01,629 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:01,637 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:01,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01 WrapperNode [2023-11-26 12:00:01,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:01,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:01,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:01,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:01,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,736 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-11-26 12:00:01,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:01,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:01,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:01,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:01,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,791 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 12:00:01,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:01,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:01,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:01,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:01,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:01,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:01,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:01,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 12:00:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 12:00:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 12:00:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:02,059 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:02,062 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:02,230 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:02,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:02,283 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:00:02,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:02 BoogieIcfgContainer [2023-11-26 12:00:02,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:02,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:02,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:02,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:02,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:00" (1/3) ... [2023-11-26 12:00:02,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee29490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:02, skipping insertion in model container [2023-11-26 12:00:02,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (2/3) ... [2023-11-26 12:00:02,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee29490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:02, skipping insertion in model container [2023-11-26 12:00:02,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:02" (3/3) ... [2023-11-26 12:00:02,298 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-11-26 12:00:02,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:02,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 12:00:02,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:02,392 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;@38752da9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:02,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 12:00:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-11-26 12:00:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 12:00:02,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:02,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:02,409 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 12:00:02,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:02,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1611236851, now seen corresponding path program 1 times [2023-11-26 12:00:02,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:02,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017036036] [2023-11-26 12:00:02,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:02,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:02,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:02,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:02,688 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:00:02,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-26 12:00:02,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-26 12:00:02,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:00:02,706 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-26 12:00:02,712 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:00:02,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-26 12:00:02,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:02 BoogieIcfgContainer [2023-11-26 12:00:02,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:02,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:02,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:02,748 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:02,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:02" (3/4) ... [2023-11-26 12:00:02,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:00:02,752 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:02,753 INFO L158 Benchmark]: Toolchain (without parser) took 2553.01ms. Allocated memory was 113.2MB in the beginning and 180.4MB in the end (delta: 67.1MB). Free memory was 69.5MB in the beginning and 141.0MB in the end (delta: -71.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:02,754 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:02,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1435.66ms. Allocated memory was 113.2MB in the beginning and 180.4MB in the end (delta: 67.1MB). Free memory was 69.2MB in the beginning and 114.6MB in the end (delta: -45.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-26 12:00:02,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.82ms. Allocated memory is still 180.4MB. Free memory was 114.6MB in the beginning and 111.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:02,761 INFO L158 Benchmark]: Boogie Preprocessor took 79.70ms. Allocated memory is still 180.4MB. Free memory was 111.6MB in the beginning and 109.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:02,762 INFO L158 Benchmark]: RCFGBuilder took 464.82ms. Allocated memory is still 180.4MB. Free memory was 109.5MB in the beginning and 96.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:00:02,764 INFO L158 Benchmark]: TraceAbstraction took 457.86ms. Allocated memory is still 180.4MB. Free memory was 96.0MB in the beginning and 141.0MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:02,764 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 141.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:02,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1435.66ms. Allocated memory was 113.2MB in the beginning and 180.4MB in the end (delta: 67.1MB). Free memory was 69.2MB in the beginning and 114.6MB in the end (delta: -45.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.82ms. Allocated memory is still 180.4MB. Free memory was 114.6MB in the beginning and 111.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.70ms. Allocated memory is still 180.4MB. Free memory was 111.6MB in the beginning and 109.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.82ms. Allocated memory is still 180.4MB. Free memory was 109.5MB in the beginning and 96.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 457.86ms. Allocated memory is still 180.4MB. Free memory was 96.0MB in the beginning and 141.0MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 141.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1548] int CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_predec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_predec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_predec_22_badGlobal) VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] --data VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-11-26 12:00:02,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme --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 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:05,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:05,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 12:00:05,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:05,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:05,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 12:00:05,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:05,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:05,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:05,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:05,588 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:05,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:05,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:05,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:05,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:05,592 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:05,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:05,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:05,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:05,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:05,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:05,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:05,596 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:00:05,596 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:00:05,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:00:05,597 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:00:05,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:00:05,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:05,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:05,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:05,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:05,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:05,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:05,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:05,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:05,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:05,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:05,603 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:00:05,603 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:00:05,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:05,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:05,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:05,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:05,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:05,605 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:00:05,605 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_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 [2023-11-26 12:00:05,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:06,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:06,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:06,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:06,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:06,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-11-26 12:00:09,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:09,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:09,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-11-26 12:00:09,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data/f066d0d48/23a49e6d80584851aa9f427fe23a6f3a/FLAG0050fb665 [2023-11-26 12:00:09,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/data/f066d0d48/23a49e6d80584851aa9f427fe23a6f3a [2023-11-26 12:00:09,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:09,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:09,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:09,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:09,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:09,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:09" (1/1) ... [2023-11-26 12:00:09,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cafa25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:09, skipping insertion in model container [2023-11-26 12:00:09,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:09" (1/1) ... [2023-11-26 12:00:09,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:11,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:11,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:11,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:11,355 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:11,355 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:11,355 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:11,355 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:11,368 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:11,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11 WrapperNode [2023-11-26 12:00:11,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:11,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:11,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:11,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:11,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,460 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-11-26 12:00:11,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:11,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:11,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:11,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:11,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,492 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 12:00:11,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:11,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:11,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:11,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:11,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:11,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:11,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:11,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 12:00:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 12:00:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:00:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 12:00:11,854 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:11,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:12,014 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:12,084 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:12,085 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:00:12,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:12 BoogieIcfgContainer [2023-11-26 12:00:12,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:12,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:12,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:12,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:12,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:09" (1/3) ... [2023-11-26 12:00:12,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f0b5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:12, skipping insertion in model container [2023-11-26 12:00:12,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (2/3) ... [2023-11-26 12:00:12,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f0b5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:12, skipping insertion in model container [2023-11-26 12:00:12,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:12" (3/3) ... [2023-11-26 12:00:12,099 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-11-26 12:00:12,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:12,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 12:00:12,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:12,187 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;@6a0712fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:12,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 12:00:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-11-26 12:00:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 12:00:12,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:12,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:12,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 12:00:12,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:12,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1611236851, now seen corresponding path program 1 times [2023-11-26 12:00:12,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:12,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829759255] [2023-11-26 12:00:12,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,228 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 [2023-11-26 12:00:12,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:12,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:00:12,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:00:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:12,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:12,433 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-26 12:00:12,435 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:00:12,436 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-26 12:00:12,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-26 12:00:12,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:12,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:00:12,647 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-26 12:00:12,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:00:12,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-26 12:00:12,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:12 BoogieIcfgContainer [2023-11-26 12:00:12,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:12,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:12,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:12,687 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:12,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:12" (3/4) ... [2023-11-26 12:00:12,689 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:00:12,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:12,691 INFO L158 Benchmark]: Toolchain (without parser) took 2875.59ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 52.9MB in the end (delta: 17.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-26 12:00:12,692 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:12,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1550.63ms. Allocated memory is still 98.6MB. Free memory was 70.2MB in the beginning and 59.6MB in the end (delta: 10.6MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2023-11-26 12:00:12,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.09ms. Allocated memory is still 98.6MB. Free memory was 59.6MB in the beginning and 56.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:12,699 INFO L158 Benchmark]: Boogie Preprocessor took 73.42ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:12,701 INFO L158 Benchmark]: RCFGBuilder took 550.13ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 68.7MB in the end (delta: -15.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-26 12:00:12,701 INFO L158 Benchmark]: TraceAbstraction took 596.25ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 52.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:00:12,702 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 98.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:12,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1550.63ms. Allocated memory is still 98.6MB. Free memory was 70.2MB in the beginning and 59.6MB in the end (delta: 10.6MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.09ms. Allocated memory is still 98.6MB. Free memory was 59.6MB in the beginning and 56.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.42ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.13ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 68.7MB in the end (delta: -15.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 596.25ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 52.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 98.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1548] int CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_predec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_predec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_predec_22_badGlobal) VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] --data VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-11-26 12:00:12,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a58077-dfa4-4678-ba12-52888538befc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample