./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 51ebcd2fe867611391d9a062d78287beba1dfdad0897f973b30045274bcec71e --- 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-8393723 [2022-11-18 19:37:50,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:37:50,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:37:50,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:37:50,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:37:50,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:37:50,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:37:50,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:37:50,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:37:50,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:37:50,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:37:50,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:37:50,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:37:50,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:37:50,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:37:50,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:37:50,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:37:50,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:37:50,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:37:50,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:37:50,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:37:50,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:37:50,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:37:50,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:37:50,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:37:50,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:37:50,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:37:50,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:37:50,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:37:50,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:37:50,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:37:50,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:37:50,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:37:50,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:37:50,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:37:50,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:37:50,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:37:50,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:37:50,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:37:50,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:37:50,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:37:50,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 19:37:50,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:37:50,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:37:50,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:37:50,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:37:50,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:37:50,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:37:50,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:37:50,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:37:50,527 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:37:50,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:37:50,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:37:50,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:37:50,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:37:50,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:37:50,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:37:50,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:37:50,530 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 19:37:50,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:37:50,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:37:50,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:37:50,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:37:50,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:37:50,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:37:50,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:37:50,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:37:50,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:37:50,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:37:50,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:37:50,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:37:50,533 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:37:50,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:37:50,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:37:50,536 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_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51ebcd2fe867611391d9a062d78287beba1dfdad0897f973b30045274bcec71e [2022-11-18 19:37:50,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:37:50,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:37:50,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:37:50,845 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:37:50,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:37:50,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2022-11-18 19:37:50,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/data/f111e128e/914cbab817cd4552adeea71da9217554/FLAGa4011b4a8 [2022-11-18 19:37:51,631 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:37:51,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2022-11-18 19:37:51,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/data/f111e128e/914cbab817cd4552adeea71da9217554/FLAGa4011b4a8 [2022-11-18 19:37:51,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/data/f111e128e/914cbab817cd4552adeea71da9217554 [2022-11-18 19:37:51,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:37:51,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:37:51,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:37:51,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:37:51,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:37:51,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:37:51" (1/1) ... [2022-11-18 19:37:51,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fdfdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:51, skipping insertion in model container [2022-11-18 19:37:51,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:37:51" (1/1) ... [2022-11-18 19:37:51,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:37:51,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:37:52,350 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 19:37:52,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:37:52,837 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:37:52,856 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 19:37:52,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:37:53,031 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:37:53,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53 WrapperNode [2022-11-18 19:37:53,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:37:53,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:37:53,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:37:53,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:37:53,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,118 INFO L138 Inliner]: procedures = 502, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 45 [2022-11-18 19:37:53,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:37:53,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:37:53,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:37:53,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:37:53,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,161 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:37:53,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:37:53,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:37:53,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:37:53,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:37:53,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:37:53,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:37:53,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:37:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 19:37:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 19:37:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:37:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:37:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:37:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 19:37:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:37:53,490 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:37:53,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:37:53,659 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:37:53,664 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:37:53,664 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:37:53,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:37:53 BoogieIcfgContainer [2022-11-18 19:37:53,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:37:53,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:37:53,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:37:53,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:37:53,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:37:51" (1/3) ... [2022-11-18 19:37:53,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6367abbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:37:53, skipping insertion in model container [2022-11-18 19:37:53,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53" (2/3) ... [2022-11-18 19:37:53,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6367abbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:37:53, skipping insertion in model container [2022-11-18 19:37:53,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:37:53" (3/3) ... [2022-11-18 19:37:53,679 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2022-11-18 19:37:53,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:37:53,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 19:37:53,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:37:53,783 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a43da57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:37:53,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 19:37:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 19:37:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 19:37:53,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:37:53,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:37:53,799 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 19:37:53,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:53,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2022-11-18 19:37:53,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:53,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632015797] [2022-11-18 19:37:53,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:53,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:37:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:37:54,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:37:54,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632015797] [2022-11-18 19:37:54,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632015797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:37:54,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:37:54,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:37:54,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373762152] [2022-11-18 19:37:54,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:37:54,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:37:54,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:37:54,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:37:54,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:37:54,310 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:37:54,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:37:54,341 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-11-18 19:37:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:37:54,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-18 19:37:54,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:37:54,357 INFO L225 Difference]: With dead ends: 26 [2022-11-18 19:37:54,357 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 19:37:54,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:37:54,366 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:37:54,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:37:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 19:37:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-18 19:37:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:37:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-18 19:37:54,404 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2022-11-18 19:37:54,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:37:54,405 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-11-18 19:37:54,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:37:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-18 19:37:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 19:37:54,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:37:54,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:37:54,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:37:54,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 19:37:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:54,411 INFO L85 PathProgramCache]: Analyzing trace with hash 59935507, now seen corresponding path program 1 times [2022-11-18 19:37:54,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:54,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165756925] [2022-11-18 19:37:54,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:54,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:37:54,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:37:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:37:54,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:37:54,520 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:37:54,522 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-18 19:37:54,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-18 19:37:54,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:37:54,529 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 19:37:54,534 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:37:54,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:37:54 BoogieIcfgContainer [2022-11-18 19:37:54,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:37:54,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:37:54,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:37:54,586 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:37:54,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:37:53" (3/4) ... [2022-11-18 19:37:54,589 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 19:37:54,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:37:54,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:37:54,653 INFO L158 Benchmark]: Toolchain (without parser) took 2834.82ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 60.5MB in the beginning and 73.0MB in the end (delta: -12.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-18 19:37:54,654 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:37:54,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.25ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 60.3MB in the beginning and 83.9MB in the end (delta: -23.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-18 19:37:54,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.80ms. Allocated memory is still 123.7MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:37:54,655 INFO L158 Benchmark]: Boogie Preprocessor took 45.38ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:37:54,656 INFO L158 Benchmark]: RCFGBuilder took 500.91ms. Allocated memory is still 123.7MB. Free memory was 79.4MB in the beginning and 67.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:37:54,658 INFO L158 Benchmark]: TraceAbstraction took 916.05ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 74.9MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:37:54,659 INFO L158 Benchmark]: Witness Printer took 66.58ms. Allocated memory is still 123.7MB. Free memory was 74.9MB in the beginning and 73.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:37:54,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.25ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 60.3MB in the beginning and 83.9MB in the end (delta: -23.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.80ms. Allocated memory is still 123.7MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.38ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.91ms. Allocated memory is still 123.7MB. Free memory was 79.4MB in the beginning and 67.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 916.05ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 74.9MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.58ms. Allocated memory is still 123.7MB. Free memory was 74.9MB in the beginning and 73.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1577]: integer overflow possible integer overflow possible We found a FailurePath: [L1525] int globalTrue = 1; [L1547] char** globalArgv = ((void *)0); [L1526] int globalFalse = 0; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1546] int globalArgc = 0; [L1522] const int GLOBAL_CONST_TRUE = 1; [L1527] int globalFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=1073741826, argc=1073741826, argv={1073741825:1073741827}, argv={1073741825:1073741827}, 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 CWE191_Integer_Underflow__int_min_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_53d_badSink(data) [L1577] data-- VAL [\old(data)=-2147483648, data=-2147483648, 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] - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 9 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 19:37:54,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f552d-824b-4658-b2e2-1a045dad2cd1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)