./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ --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 ea08a492476e5d7972058ddaee8c7d59bdeb4069820c50098128786b8b77f609 --- 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-6b4ec56 [2022-11-20 18:03:46,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:03:46,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:03:46,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:03:46,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:03:46,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:03:46,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:03:46,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:03:46,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:03:46,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:03:46,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:03:46,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:03:46,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:03:46,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:03:46,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:03:46,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:03:46,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:03:46,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:03:46,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:03:46,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:03:46,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:03:46,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:03:46,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:03:46,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:03:46,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:03:46,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:03:46,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:03:46,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:03:46,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:03:46,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:03:46,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:03:46,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:03:46,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:03:46,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:03:46,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:03:46,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:03:46,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:03:46,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:03:46,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:03:46,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:03:46,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:03:46,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:03:46,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:03:46,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:03:46,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:03:46,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:03:46,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:03:46,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:03:46,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:03:46,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:03:46,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:03:46,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:03:46,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:03:46,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:03:46,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:03:46,286 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:03:46,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:03:46,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:03:46,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:03:46,287 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:03:46,287 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:03:46,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:03:46,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:03:46,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:03:46,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:03:46,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:03:46,288 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:03:46,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:03:46,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:03:46,288 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_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea08a492476e5d7972058ddaee8c7d59bdeb4069820c50098128786b8b77f609 [2022-11-20 18:03:46,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:03:46,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:03:46,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:03:46,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:03:46,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:03:46,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_bad.i [2022-11-20 18:03:49,628 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:03:50,054 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:03:50,058 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_bad.i [2022-11-20 18:03:50,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/data/510617df9/cf93ba8a1a274dfbab14c1eced40f983/FLAGc59d6a4f7 [2022-11-20 18:03:50,103 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/data/510617df9/cf93ba8a1a274dfbab14c1eced40f983 [2022-11-20 18:03:50,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:03:50,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:03:50,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:03:50,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:03:50,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:03:50,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:50" (1/1) ... [2022-11-20 18:03:50,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d8fe82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:50, skipping insertion in model container [2022-11-20 18:03:50,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:50" (1/1) ... [2022-11-20 18:03:50,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:03:50,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:03:50,572 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:03:51,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:03:51,089 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:03:51,109 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:03:51,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:03:51,294 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:03:51,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51 WrapperNode [2022-11-20 18:03:51,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:03:51,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:03:51,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:03:51,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:03:51,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,378 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-20 18:03:51,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:03:51,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:03:51,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:03:51,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:03:51,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:03:51,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:03:51,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:03:51,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:03:51,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:03:51,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:03:51,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:03:51,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:03:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:03:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:03:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:03:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:03:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:03:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:03:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:03:51,682 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:03:51,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:03:51,812 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:03:51,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:03:51,866 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:03:51,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:51 BoogieIcfgContainer [2022-11-20 18:03:51,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:03:51,870 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:03:51,870 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:03:51,880 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:03:51,880 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:51" (1/1) ... [2022-11-20 18:03:51,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:03:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-20 18:03:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 18:03:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:03:51,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-20 18:03:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 18:03:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:03:52,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:52,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2022-11-20 18:03:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 18:03:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:03:52,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:52,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2022-11-20 18:03:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 18:03:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:03:52,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:52,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-20 18:03:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-20 18:03:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:03:52,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:52,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:03:53,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:03:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:03:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:03:53,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:03:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:03:53,140 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-11-20 18:03:53,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:03:53 ImpRootNode [2022-11-20 18:03:53,218 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:03:53,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:03:53,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:03:53,219 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:03:53,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:51" (3/4) ... [2022-11-20 18:03:53,221 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:03:53,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:03:53,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:03:53,289 INFO L158 Benchmark]: Toolchain (without parser) took 3182.56ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 54.0MB in the beginning and 115.1MB in the end (delta: -61.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:03:53,290 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 109.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:03:53,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1184.52ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 53.8MB in the beginning and 68.2MB in the end (delta: -14.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-11-20 18:03:53,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.50ms. Allocated memory is still 148.9MB. Free memory was 68.2MB in the beginning and 65.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:03:53,291 INFO L158 Benchmark]: Boogie Preprocessor took 57.14ms. Allocated memory is still 148.9MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:03:53,291 INFO L158 Benchmark]: RCFGBuilder took 432.28ms. Allocated memory is still 148.9MB. Free memory was 63.5MB in the beginning and 112.1MB in the end (delta: -48.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-20 18:03:53,292 INFO L158 Benchmark]: CodeCheck took 1347.80ms. Allocated memory is still 148.9MB. Free memory was 112.1MB in the beginning and 118.2MB in the end (delta: -6.1MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-11-20 18:03:53,292 INFO L158 Benchmark]: Witness Printer took 70.74ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:03:53,294 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 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 20 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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: 1560]: 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1555] data = (-0x7fffffff - 1) [L1553] i++ 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, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 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, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] data-- VAL [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, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 109.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1184.52ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 53.8MB in the beginning and 68.2MB in the end (delta: -14.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.50ms. Allocated memory is still 148.9MB. Free memory was 68.2MB in the beginning and 65.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.14ms. Allocated memory is still 148.9MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.28ms. Allocated memory is still 148.9MB. Free memory was 63.5MB in the beginning and 112.1MB in the end (delta: -48.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * CodeCheck took 1347.80ms. Allocated memory is still 148.9MB. Free memory was 112.1MB in the beginning and 118.2MB in the end (delta: -6.1MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Witness Printer took 70.74ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:03:53,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e01ce3-4191-4770-accd-2935038bdef3/bin/ukojak-pZX7IvK2PQ/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)