./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_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_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:01:28,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:01:28,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 05:01:28,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 05:01:28,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 05:01:28,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:01:28,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:01:28,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:01:28,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:01:28,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:01:28,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:01:28,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:01:28,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 05:01:28,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:01:28,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:01:28,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:01:28,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:01:28,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 05:01:28,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 05:01:28,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:01:28,876 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:01:28,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:01:28,877 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:01:28,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:01:28,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:01:28,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:01:28,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:01:28,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:01:28,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:01:28,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 05:01:28,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 05:01:28,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:01:28,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 [2023-12-03 05:01:29,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:01:29,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:01:29,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:01:29,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:01:29,118 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:01:29,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2023-12-03 05:01:31,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:01:32,145 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:01:32,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2023-12-03 05:01:32,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data/774ddfa4e/b0e5cda1cbe74903a88f90b08e88d623/FLAG0d6fb3a7b [2023-12-03 05:01:32,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data/774ddfa4e/b0e5cda1cbe74903a88f90b08e88d623 [2023-12-03 05:01:32,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:01:32,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:01:32,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:01:32,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:01:32,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:01:32,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:01:32" (1/1) ... [2023-12-03 05:01:32,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aee2b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:32, skipping insertion in model container [2023-12-03 05:01:32,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:01:32" (1/1) ... [2023-12-03 05:01:32,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:01:32,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:01:32,948 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:01:33,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:01:33,177 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:33,177 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:33,177 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:33,177 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:33,183 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:01:33,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33 WrapperNode [2023-12-03 05:01:33,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:01:33,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:01:33,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:01:33,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:01:33,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,235 INFO L138 Inliner]: procedures = 498, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-12-03 05:01:33,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:01:33,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:01:33,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:01:33,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:01:33,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:01:33,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:01:33,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:01:33,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:01:33,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:01:33,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:01:33,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:01:33,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:01:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 05:01:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 05:01:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:01:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 05:01:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:01:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:01:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:01:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:01:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 05:01:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 05:01:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 05:01:33,470 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:01:33,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:01:33,581 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:01:33,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:01:33,616 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 05:01:33,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:33 BoogieIcfgContainer [2023-12-03 05:01:33,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:01:33,618 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:01:33,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:01:33,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:01:33,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:33" (1/1) ... [2023-12-03 05:01:33,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:01:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 05:01:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 05:01:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:33,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:01:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:33,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:01:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:33,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:01:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:33,970 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 05:01:33,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 05:01:33,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 05:01:33 ImpRootNode [2023-12-03 05:01:33,998 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 05:01:33,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 05:01:33,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 05:01:33,999 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 05:01:33,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:33" (3/4) ... [2023-12-03 05:01:34,002 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 05:01:34,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 05:01:34,004 INFO L158 Benchmark]: Toolchain (without parser) took 1817.40ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 113.4MB in the beginning and 160.7MB in the end (delta: -47.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-12-03 05:01:34,005 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:34,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 996.51ms. Allocated memory is still 146.8MB. Free memory was 113.2MB in the beginning and 89.1MB in the end (delta: 24.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2023-12-03 05:01:34,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.89ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 86.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:34,007 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 84.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:34,007 INFO L158 Benchmark]: RCFGBuilder took 355.52ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 70.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 05:01:34,008 INFO L158 Benchmark]: CodeCheck took 379.68ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 70.8MB in the beginning and 160.7MB in the end (delta: -89.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:34,008 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 207.6MB. Free memory is still 160.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:34,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1563]: 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={55:54}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR data = (-0x7fffffff - 1) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = (-0x7fffffff - 1); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={8367:0}, dataPtr1={8367:0}, dataPtr2={8367:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={8367:0}, dataPtr1={8367:0}, dataPtr2={8367:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 996.51ms. Allocated memory is still 146.8MB. Free memory was 113.2MB in the beginning and 89.1MB in the end (delta: 24.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.89ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 86.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 84.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.52ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 70.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 379.68ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 70.8MB in the beginning and 160.7MB in the end (delta: -89.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 207.6MB. Free memory is still 160.7MB. 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~nondet101 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 05:01:34,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:01:35,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:01:35,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 05:01:36,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:01:36,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:01:36,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:01:36,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:01:36,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:01:36,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:01:36,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:01:36,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:01:36,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:01:36,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:01:36,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:01:36,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 05:01:36,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 05:01:36,013 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 05:01:36,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 05:01:36,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 05:01:36,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:01:36,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:01:36,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:01:36,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:01:36,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:01:36,017 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:36,018 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 05:01:36,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:01:36,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:01:36,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:01:36,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:01:36,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:01:36,020 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 05:01:36,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:36,021 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:01:36,022 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 05:01:36,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 05:01:36,022 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 [2023-12-03 05:01:36,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:01:36,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:01:36,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:01:36,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:01:36,357 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:01:36,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2023-12-03 05:01:39,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:01:39,454 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:01:39,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2023-12-03 05:01:39,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data/2be437b3d/31eb970de2a640c2b740cf6b92f48d4c/FLAG6db695d61 [2023-12-03 05:01:39,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/data/2be437b3d/31eb970de2a640c2b740cf6b92f48d4c [2023-12-03 05:01:39,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:01:39,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:01:39,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:01:39,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:01:39,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:01:39,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:01:39" (1/1) ... [2023-12-03 05:01:39,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373c610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:39, skipping insertion in model container [2023-12-03 05:01:39,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:01:39" (1/1) ... [2023-12-03 05:01:39,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:01:40,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:01:40,611 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:01:40,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:01:40,840 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:40,840 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:40,840 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:40,840 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:40,848 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:01:40,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40 WrapperNode [2023-12-03 05:01:40,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:01:40,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:01:40,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:01:40,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:01:40,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,910 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-12-03 05:01:40,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:01:40,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:01:40,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:01:40,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:01:40,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:01:40,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:01:40,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:01:40,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:01:40,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:40" (1/1) ... [2023-12-03 05:01:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:01:40,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:01:40,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:01:40,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:01:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 05:01:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 05:01:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:01:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 05:01:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:01:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:01:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:01:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 05:01:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:01:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 05:01:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 05:01:41,166 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:01:41,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:01:41,327 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:01:41,365 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:01:41,366 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 05:01:41,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:41 BoogieIcfgContainer [2023-12-03 05:01:41,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:01:41,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:01:41,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:01:41,379 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:01:41,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:41" (1/1) ... [2023-12-03 05:01:41,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:01:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 05:01:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 05:01:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:41,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:41,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:41,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:01:41,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:01:41,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 05:01:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:41,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:01:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:41,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:01:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:41,903 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 05:01:41,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 05:01:41,911 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 05:01:41,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 05:01:41,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 05:01:41 ImpRootNode [2023-12-03 05:01:41,939 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 05:01:41,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 05:01:41,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 05:01:41,940 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 05:01:41,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:41" (3/4) ... [2023-12-03 05:01:41,942 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 05:01:41,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 05:01:41,944 INFO L158 Benchmark]: Toolchain (without parser) took 2252.08ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 62.8MB in the end (delta: 12.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-12-03 05:01:41,945 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:41,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1155.87ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-12-03 05:01:41,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.55ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 66.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:41,946 INFO L158 Benchmark]: Boogie Preprocessor took 34.83ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:41,947 INFO L158 Benchmark]: RCFGBuilder took 421.13ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 47.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 05:01:41,948 INFO L158 Benchmark]: CodeCheck took 570.48ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 62.8MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:41,949 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 102.8MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:41,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1563]: 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR data = (-0x7fffffff - 1) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = (-0x7fffffff - 1); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataPtr1={7:0}, dataPtr2={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataPtr1={7:0}, dataPtr2={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1155.87ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.55ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 66.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.83ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.13ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 47.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 570.48ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 62.8MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 102.8MB. Free memory is still 62.8MB. 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. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 05:01:41,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecae7650-eb99-4223-b3ea-4626525b6a1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample