./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_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_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/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_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/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_8fe68d67-33ad-4326-8122-e919352ff20f/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 733fb4a3b42cbda2026f7363bb399c0653f61e3f5372cb3755f60fa2ff5c5c4b --- 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 18:12:27,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:12:27,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:12:27,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:12:27,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:12:27,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:12:27,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:12:27,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:12:27,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:12:27,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:12:27,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:12:27,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:12:27,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:12:27,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:12:27,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:12:27,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:12:27,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:12:27,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:12:27,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:12:27,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:12:27,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:12:27,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:12:27,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:12:27,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:12:27,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:12:27,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:12:27,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:12:27,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:12:27,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:12:27,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:12:27,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:12:27,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:12:27,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:12:27,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:12:27,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:12:27,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:12:27,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:12:27,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:12:27,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:12:27,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:12:27,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:12:27,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:12:27,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:12:27,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:12:27,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:12:27,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:12:27,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:12:27,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:12:27,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:12:27,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:12:27,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:12:27,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:12:27,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:12:27,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:12:27,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:12:27,403 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:12:27,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:12:27,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:12:27,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:12:27,404 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:12:27,404 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:12:27,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:12:27,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:12:27,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:12:27,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:12:27,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:12:27,406 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:12:27,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:12:27,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:12:27,407 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_8fe68d67-33ad-4326-8122-e919352ff20f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 733fb4a3b42cbda2026f7363bb399c0653f61e3f5372cb3755f60fa2ff5c5c4b [2022-11-20 18:12:27,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:12:27,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:12:27,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:12:27,702 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:12:27,703 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:12:27,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2022-11-20 18:12:30,835 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:12:31,239 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:12:31,240 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2022-11-20 18:12:31,259 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/data/a2547a4a2/7eb8090f93254749a7fe5e5a9f592df2/FLAG1ff74db66 [2022-11-20 18:12:31,280 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/data/a2547a4a2/7eb8090f93254749a7fe5e5a9f592df2 [2022-11-20 18:12:31,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:12:31,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:12:31,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:12:31,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:12:31,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:12:31,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:31" (1/1) ... [2022-11-20 18:12:31,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d138f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:31, skipping insertion in model container [2022-11-20 18:12:31,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:31" (1/1) ... [2022-11-20 18:12:31,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:12:31,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:12:31,785 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:12:32,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:12:32,393 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:12:32,414 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:12:32,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:12:32,639 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:12:32,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32 WrapperNode [2022-11-20 18:12:32,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:12:32,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:12:32,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:12:32,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:12:32,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,723 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2022-11-20 18:12:32,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:12:32,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:12:32,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:12:32,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:12:32,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:12:32,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:12:32,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:12:32,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:12:32,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:32" (1/1) ... [2022-11-20 18:12:32,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:12:32,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:12:32,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:12:32,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:12:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:12:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:12:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:12:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:12:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:12:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-20 18:12:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-20 18:12:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:12:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:12:33,060 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:12:33,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:12:33,212 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:12:33,273 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:12:33,276 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:12:33,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:33 BoogieIcfgContainer [2022-11-20 18:12:33,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:12:33,280 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:12:33,280 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:12:33,290 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:12:33,290 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:33" (1/1) ... [2022-11-20 18:12:33,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:12:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 18:12:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 18:12:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:12:33,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:33,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:33,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:12:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 22 transitions. [2022-11-20 18:12:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-20 18:12:33,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:12:33,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:33,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:12:33,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:12:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:12:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:12:34,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:12:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:12:34,117 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:12:34,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:12:34 ImpRootNode [2022-11-20 18:12:34,180 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:12:34,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:12:34,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:12:34,181 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:12:34,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:33" (3/4) ... [2022-11-20 18:12:34,184 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:12:34,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:12:34,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:12:34,274 INFO L158 Benchmark]: Toolchain (without parser) took 2987.09ms. Allocated memory is still 197.1MB. Free memory was 147.6MB in the beginning and 88.9MB in the end (delta: 58.7MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-11-20 18:12:34,274 INFO L158 Benchmark]: CDTParser took 2.37ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 72.1MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:12:34,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.24ms. Allocated memory is still 197.1MB. Free memory was 147.6MB in the beginning and 143.4MB in the end (delta: 4.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-11-20 18:12:34,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.69ms. Allocated memory is still 197.1MB. Free memory was 143.4MB in the beginning and 140.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:12:34,276 INFO L158 Benchmark]: Boogie Preprocessor took 49.24ms. Allocated memory is still 197.1MB. Free memory was 140.3MB in the beginning and 139.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:12:34,277 INFO L158 Benchmark]: RCFGBuilder took 505.71ms. Allocated memory is still 197.1MB. Free memory was 139.2MB in the beginning and 124.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:12:34,278 INFO L158 Benchmark]: CodeCheck took 900.16ms. Allocated memory is still 197.1MB. Free memory was 124.6MB in the beginning and 91.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 18:12:34,278 INFO L158 Benchmark]: Witness Printer took 92.18ms. Allocated memory is still 197.1MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:12:34,282 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 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 24 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 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, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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: 1568]: 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_min_multiply_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] 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] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1566] 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] [L1568] 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 2.37ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 72.1MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.24ms. Allocated memory is still 197.1MB. Free memory was 147.6MB in the beginning and 143.4MB in the end (delta: 4.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.69ms. Allocated memory is still 197.1MB. Free memory was 143.4MB in the beginning and 140.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.24ms. Allocated memory is still 197.1MB. Free memory was 140.3MB in the beginning and 139.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.71ms. Allocated memory is still 197.1MB. Free memory was 139.2MB in the beginning and 124.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 900.16ms. Allocated memory is still 197.1MB. Free memory was 124.6MB in the beginning and 91.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 92.18ms. Allocated memory is still 197.1MB. Free memory was 91.0MB in the beginning and 88.9MB 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 18:12:34,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe68d67-33ad-4326-8122-e919352ff20f/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)