./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3afabe119600762a6cb141d520184586a5da91223f79cbafb124ad80862bcdc4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:24:20,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:24:20,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:24:20,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:24:20,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:24:20,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:24:20,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:24:20,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:24:20,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:24:20,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:24:20,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:24:20,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:24:20,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:24:20,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:24:20,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:24:20,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:24:20,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:24:20,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:24:20,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:24:20,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:24:20,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:24:20,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:24:20,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:24:20,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:24:20,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:24:20,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:24:20,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:24:20,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:24:20,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:24:20,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:24:20,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:24:20,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:24:20,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:24:20,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:24:20,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:24:20,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:24:20,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:24:20,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:24:20,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:24:20,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:24:20,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:24:20,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:24:20,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:24:20,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:24:20,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:24:20,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:24:20,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:24:20,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:24:20,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:24:20,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:24:20,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:24:20,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:24:20,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:24:20,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:24:20,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:24:20,522 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:24:20,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:24:20,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:24:20,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:24:20,523 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:24:20,524 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:24:20,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:24:20,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:24:20,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:24:20,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:24:20,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:24:20,526 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:24:20,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:24:20,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:24:20,526 INFO L138 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_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afabe119600762a6cb141d520184586a5da91223f79cbafb124ad80862bcdc4 [2022-11-21 23:24:20,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:24:20,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:24:20,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:24:20,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:24:20,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:24:20,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_bad.i [2022-11-21 23:24:23,926 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:24:24,256 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:24:24,257 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_bad.i [2022-11-21 23:24:24,287 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/data/3e70809cc/2b105a13f7a74abeafbc7a5225bb1866/FLAGa2745d1b3 [2022-11-21 23:24:24,301 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/data/3e70809cc/2b105a13f7a74abeafbc7a5225bb1866 [2022-11-21 23:24:24,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:24:24,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:24:24,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:24:24,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:24:24,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:24:24,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:24" (1/1) ... [2022-11-21 23:24:24,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22203617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:24, skipping insertion in model container [2022-11-21 23:24:24,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:24" (1/1) ... [2022-11-21 23:24:24,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:24:24,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:24:24,760 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:24:25,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:24:25,268 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:24:25,299 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:24:25,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:24:25,521 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:24:25,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25 WrapperNode [2022-11-21 23:24:25,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:24:25,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:24:25,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:24:25,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:24:25,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,579 INFO L138 Inliner]: procedures = 499, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-11-21 23:24:25,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:24:25,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:24:25,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:24:25,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:24:25,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:24:25,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:24:25,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:24:25,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:24:25,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:25" (1/1) ... [2022-11-21 23:24:25,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:24:25,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:24:25,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:24:25,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:24:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:24:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:24:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-21 23:24:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-21 23:24:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:24:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:24:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:24:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:24:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:24:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:24:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:24:25,971 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:24:25,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:24:26,164 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:24:26,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:24:26,225 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:24:26,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:26 BoogieIcfgContainer [2022-11-21 23:24:26,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:24:26,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:24:26,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:24:26,239 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:24:26,239 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:26" (1/1) ... [2022-11-21 23:24:26,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:24:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-11-21 23:24:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 23:24:26,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:24:26,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:26,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:24:26,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2022-11-21 23:24:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-21 23:24:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:24:26,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:26,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:24:26,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-11-21 23:24:26,778 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-21 23:24:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:24:26,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:26,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:24:26,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:24:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:24:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:24:26,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:24:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:24:27,022 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-21 23:24:27,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:24:27 ImpRootNode [2022-11-21 23:24:27,071 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:24:27,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:24:27,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:24:27,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:24:27,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:26" (3/4) ... [2022-11-21 23:24:27,075 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:24:27,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:24:27,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:24:27,138 INFO L158 Benchmark]: Toolchain (without parser) took 2824.16ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 83.9MB in the end (delta: 34.3MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-11-21 23:24:27,139 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:24:27,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1204.02ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 58.1MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 23:24:27,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.10ms. Allocated memory is still 167.8MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:24:27,140 INFO L158 Benchmark]: Boogie Preprocessor took 26.03ms. Allocated memory is still 167.8MB. Free memory was 55.1MB in the beginning and 53.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:24:27,141 INFO L158 Benchmark]: RCFGBuilder took 620.43ms. Allocated memory is still 167.8MB. Free memory was 53.9MB in the beginning and 122.6MB in the end (delta: -68.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-21 23:24:27,141 INFO L158 Benchmark]: CodeCheck took 842.68ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 86.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 23:24:27,142 INFO L158 Benchmark]: Witness Printer took 65.99ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 83.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:24:27,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 34 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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 - CounterExampleResult [Line: 1564]: integer overflow possible integer overflow possible We found a 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); [L1587] 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={3:0}] [L1414] COND TRUE line != ((void *)0) [L1587] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] CALL CWE191_Integer_Underflow__int_min_multiply_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] data = (-0x7fffffff - 1) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1562] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.54ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1204.02ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 58.1MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.10ms. Allocated memory is still 167.8MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.03ms. Allocated memory is still 167.8MB. Free memory was 55.1MB in the beginning and 53.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 620.43ms. Allocated memory is still 167.8MB. Free memory was 53.9MB in the beginning and 122.6MB in the end (delta: -68.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * CodeCheck took 842.68ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 86.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 65.99ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 83.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 23:24:27,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fceef886-d295-4508-b88d-f5aa00c46f31/bin/ukojak-jW3SillKbg/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)