./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:40:55,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:40:55,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 02:40:55,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:40:55,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:40:55,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:40:55,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:40:55,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:40:55,564 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:40:55,565 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:40:55,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:40:55,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:40:55,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:40:55,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:40:55,567 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:40:55,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:40:55,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:40:55,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:40:55,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:40:55,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:40:55,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:40:55,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:40:55,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:40:55,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:40:55,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:40:55,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:40:55,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:40:55,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:40:55,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:40:55,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:40:55,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:40:55,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:40:55,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:40:55,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:40:55,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:40:55,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:40:55,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:40:55,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:40:55,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:40:55,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:40:55,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:40:55,578 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_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc [2023-11-29 02:40:55,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:40:55,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:40:55,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:40:55,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:40:55,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:40:55,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2023-11-29 02:40:58,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:40:58,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:40:58,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2023-11-29 02:40:58,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/b032e582b/e12edbc1b0c2482996d7befac0be05da/FLAG8690e6e76 [2023-11-29 02:40:59,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/b032e582b/e12edbc1b0c2482996d7befac0be05da [2023-11-29 02:40:59,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:40:59,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:40:59,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:40:59,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:40:59,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:40:59,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:40:59" (1/1) ... [2023-11-29 02:40:59,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0813b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:40:59, skipping insertion in model container [2023-11-29 02:40:59,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:40:59" (1/1) ... [2023-11-29 02:40:59,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:40:59,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:40:59,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:41:00,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:41:00,130 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:00,130 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:00,130 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:00,130 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:00,136 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:41:00,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00 WrapperNode [2023-11-29 02:41:00,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:41:00,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:00,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:41:00,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:41:00,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,187 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-11-29 02:41:00,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:00,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:41:00,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:41:00,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:41:00,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,213 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]. [2023-11-29 02:41:00,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:41:00,228 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:41:00,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:41:00,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:41:00,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (1/1) ... [2023-11-29 02:41:00,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:41:00,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:41:00,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:41:00,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:41:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 02:41:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 02:41:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:41:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:41:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:41:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 02:41:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:41:00,431 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:41:00,433 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:41:00,527 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:41:00,555 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:41:00,555 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:41:00,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:00 BoogieIcfgContainer [2023-11-29 02:41:00,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:41:00,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:41:00,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:41:00,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:41:00,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:40:59" (1/3) ... [2023-11-29 02:41:00,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442c740d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:00, skipping insertion in model container [2023-11-29 02:41:00,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:00" (2/3) ... [2023-11-29 02:41:00,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442c740d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:00, skipping insertion in model container [2023-11-29 02:41:00,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:00" (3/3) ... [2023-11-29 02:41:00,564 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_21_bad.i [2023-11-29 02:41:00,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:41:00,584 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:41:00,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:41:00,639 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;@6b253c83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:41:00,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:41:00,643 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) [2023-11-29 02:41:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:41:00,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:41:00,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:41:00,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:41:00,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:00,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1611236851, now seen corresponding path program 1 times [2023-11-29 02:41:00,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:00,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653791798] [2023-11-29 02:41:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:00,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:41:00,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:41:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:41:00,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:41:00,833 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:41:00,834 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 02:41:00,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 02:41:00,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:41:00,842 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 02:41:00,846 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:41:00,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-29 02:41:00,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:41:00 BoogieIcfgContainer [2023-11-29 02:41:00,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:41:00,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:41:00,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:41:00,870 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:41:00,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:00" (3/4) ... [2023-11-29 02:41:00,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:41:00,874 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:41:00,875 INFO L158 Benchmark]: Toolchain (without parser) took 1857.29ms. Allocated memory is still 182.5MB. Free memory was 133.3MB in the beginning and 86.9MB in the end (delta: 46.4MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-29 02:41:00,876 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:41:00,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1117.35ms. Allocated memory is still 182.5MB. Free memory was 132.9MB in the beginning and 121.1MB in the end (delta: 11.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-29 02:41:00,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.95ms. Allocated memory is still 182.5MB. Free memory was 121.1MB in the beginning and 117.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:41:00,878 INFO L158 Benchmark]: Boogie Preprocessor took 39.98ms. Allocated memory is still 182.5MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:41:00,878 INFO L158 Benchmark]: RCFGBuilder took 327.19ms. Allocated memory is still 182.5MB. Free memory was 115.6MB in the beginning and 103.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:41:00,879 INFO L158 Benchmark]: TraceAbstraction took 311.56ms. Allocated memory is still 182.5MB. Free memory was 102.4MB in the beginning and 86.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:41:00,879 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 182.5MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:41:00,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1117.35ms. Allocated memory is still 182.5MB. Free memory was 132.9MB in the beginning and 121.1MB in the end (delta: 11.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.95ms. Allocated memory is still 182.5MB. Free memory was 121.1MB in the beginning and 117.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.98ms. Allocated memory is still 182.5MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.19ms. Allocated memory is still 182.5MB. Free memory was 115.6MB in the beginning and 103.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 311.56ms. Allocated memory is still 182.5MB. Free memory was 102.4MB in the beginning and 86.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 182.5MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: 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 1571. 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] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: 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: 0.2s, 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 [2023-11-29 02:41:00,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:41:02,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:41:02,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 02:41:02,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:41:02,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:41:02,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 02:41:02,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:41:02,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:41:02,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:41:02,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:41:02,961 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:41:02,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:41:02,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:41:02,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:41:02,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:41:02,964 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:41:02,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:41:02,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:41:02,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:41:02,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:41:02,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:41:02,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:41:02,970 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:41:02,971 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:41:02,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:41:02,971 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:41:02,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:41:02,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:41:02,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:41:02,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:41:02,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:41:02,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:41:02,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:41:02,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:41:02,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:41:02,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:41:02,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:41:02,975 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:41:02,975 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:41:02,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:41:02,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:41:02,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:41:02,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:41:02,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:41:02,977 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:41:02,977 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_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc [2023-11-29 02:41:03,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:41:03,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:41:03,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:41:03,282 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:41:03,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:41:03,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2023-11-29 02:41:06,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:41:06,366 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:41:06,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2023-11-29 02:41:06,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/b141f954f/7806a0a450d1481f80f3f432a305cabd/FLAGa0cb8a801 [2023-11-29 02:41:06,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/b141f954f/7806a0a450d1481f80f3f432a305cabd [2023-11-29 02:41:06,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:41:06,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:41:06,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:41:06,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:41:06,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:41:06,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:41:06" (1/1) ... [2023-11-29 02:41:06,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c90a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:06, skipping insertion in model container [2023-11-29 02:41:06,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:41:06" (1/1) ... [2023-11-29 02:41:06,471 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:41:07,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:41:07,219 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:41:07,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:41:07,420 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:07,420 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:07,420 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:07,420 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:07,426 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:41:07,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07 WrapperNode [2023-11-29 02:41:07,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:41:07,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:07,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:41:07,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:41:07,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,484 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-11-29 02:41:07,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:07,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:41:07,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:41:07,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:41:07,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,512 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]. [2023-11-29 02:41:07,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:41:07,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:41:07,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:41:07,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:41:07,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:41:07,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:41:07,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:41:07,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:41:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 02:41:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 02:41:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:41:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:41:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:41:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:41:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 02:41:07,748 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:41:07,750 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:41:07,866 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:41:07,898 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:41:07,899 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:41:07,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:07 BoogieIcfgContainer [2023-11-29 02:41:07,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:41:07,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:41:07,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:41:07,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:41:07,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:41:06" (1/3) ... [2023-11-29 02:41:07,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491813ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:07, skipping insertion in model container [2023-11-29 02:41:07,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (2/3) ... [2023-11-29 02:41:07,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491813ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:07, skipping insertion in model container [2023-11-29 02:41:07,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:07" (3/3) ... [2023-11-29 02:41:07,907 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_21_bad.i [2023-11-29 02:41:07,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:41:07,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:41:07,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:41:07,966 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;@11f06be9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:41:07,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:41:07,969 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) [2023-11-29 02:41:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:41:07,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:41:07,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:41:07,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:41:07,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1611236851, now seen corresponding path program 1 times [2023-11-29 02:41:08,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:41:08,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882410002] [2023-11-29 02:41:08,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:08,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:41:08,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:41:08,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:41:08,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 02:41:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:41:08,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:41:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:41:08,173 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 02:41:08,175 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:41:08,176 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 02:41:08,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 02:41:08,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:41:08,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:41:08,386 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 02:41:08,389 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:41:08,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-29 02:41:08,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:41:08 BoogieIcfgContainer [2023-11-29 02:41:08,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:41:08,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:41:08,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:41:08,415 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:41:08,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:07" (3/4) ... [2023-11-29 02:41:08,418 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:41:08,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:41:08,419 INFO L158 Benchmark]: Toolchain (without parser) took 2007.84ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 55.7MB in the beginning and 83.5MB in the end (delta: -27.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-29 02:41:08,420 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:41:08,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1014.20ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 55.3MB in the beginning and 82.8MB in the end (delta: -27.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-29 02:41:08,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.81ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 79.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:41:08,422 INFO L158 Benchmark]: Boogie Preprocessor took 48.51ms. Allocated memory is still 119.5MB. Free memory was 79.5MB in the beginning and 77.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:41:08,423 INFO L158 Benchmark]: RCFGBuilder took 365.23ms. Allocated memory is still 119.5MB. Free memory was 77.1MB in the beginning and 61.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:41:08,423 INFO L158 Benchmark]: TraceAbstraction took 512.48ms. Allocated memory is still 119.5MB. Free memory was 61.2MB in the beginning and 83.5MB in the end (delta: -22.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:41:08,423 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 119.5MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:41:08,427 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1014.20ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 55.3MB in the beginning and 82.8MB in the end (delta: -27.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.81ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 79.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.51ms. Allocated memory is still 119.5MB. Free memory was 79.5MB in the beginning and 77.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.23ms. Allocated memory is still 119.5MB. Free memory was 77.1MB in the beginning and 61.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 512.48ms. Allocated memory is still 119.5MB. Free memory was 61.2MB in the beginning and 83.5MB in the end (delta: -22.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 119.5MB. Free memory is still 83.5MB. 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~nondet98 - 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: 1554]: 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 1571. 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] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: 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: 0.4s, 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 [2023-11-29 02:41:08,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d26e55b-cdb1-48d4-8e3e-2e3d6a0ad5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample