./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 31db06b503bd4f4fad64c27587d1a915a24882d6f283b296c9528d3ffe43a5d1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:21:33,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:21:33,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:21:33,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:21:33,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:21:33,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:21:33,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:21:33,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:21:33,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:21:33,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:21:33,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:21:33,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:21:33,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:21:33,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:21:33,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:21:33,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:21:33,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:21:33,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:21:33,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:21:33,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:21:33,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:21:33,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:21:33,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:21:33,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:21:33,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:21:33,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:21:33,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:21:33,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:21:33,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:21:33,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:21:33,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:21:33,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:21:33,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:21:33,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:21:33,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:21:33,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:21:33,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:21:33,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:21:33,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:21:33,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:21:33,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:21:33,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:21:33,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:21:33,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:21:33,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:21:33,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:21:33,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:21:33,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:21:33,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:21:33,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:21:33,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:21:33,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:21:33,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:21:33,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:21:33,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:21:33,679 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:21:33,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:21:33,679 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:21:33,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:21:33,679 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:21:33,680 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:21:33,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:21:33,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:21:33,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:21:33,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:21:33,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:21:33,681 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:21:33,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:21:33,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:21:33,682 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_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31db06b503bd4f4fad64c27587d1a915a24882d6f283b296c9528d3ffe43a5d1 [2022-11-21 22:21:34,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:21:34,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:21:34,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:21:34,042 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:21:34,042 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:21:34,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i [2022-11-21 22:21:37,142 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:21:37,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:21:37,520 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_bad.i [2022-11-21 22:21:37,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/data/9e7580a85/04090cee22d3466695e30de47a5654a0/FLAG9576ced11 [2022-11-21 22:21:37,556 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/data/9e7580a85/04090cee22d3466695e30de47a5654a0 [2022-11-21 22:21:37,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:21:37,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:21:37,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:21:37,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:21:37,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:21:37,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:37" (1/1) ... [2022-11-21 22:21:37,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1742f10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:37, skipping insertion in model container [2022-11-21 22:21:37,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:37" (1/1) ... [2022-11-21 22:21:37,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:21:37,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:21:38,101 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:21:38,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:21:38,646 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:21:38,677 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:21:38,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:21:38,893 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:21:38,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38 WrapperNode [2022-11-21 22:21:38,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:21:38,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:21:38,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:21:38,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:21:38,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:38,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:38,960 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 43 [2022-11-21 22:21:38,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:21:38,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:21:38,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:21:38,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:21:38,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:38,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:38,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:38,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:39,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:39,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:39,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:39,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:39,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:21:39,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:21:39,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:21:39,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:21:39,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:38" (1/1) ... [2022-11-21 22:21:39,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:21:39,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:21:39,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:21:39,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:21:39,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:21:39,294 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:21:39,511 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:21:39,560 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:21:39,560 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:21:39,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:39 BoogieIcfgContainer [2022-11-21 22:21:39,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:21:39,564 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:21:39,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:21:39,575 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:21:39,575 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:39" (1/1) ... [2022-11-21 22:21:39,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:21:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:21:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-21 22:21:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-21 22:21:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:21:39,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:21:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:21:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:21:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:21:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:21:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-21 22:21:39,967 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-21 22:21:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:21:39,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:21:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:21:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:21:39,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:21:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:21:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:21:40,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:21:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:21:40,096 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 22:21:40,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:21:40 ImpRootNode [2022-11-21 22:21:40,124 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:21:40,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:21:40,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:21:40,126 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:21:40,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:39" (3/4) ... [2022-11-21 22:21:40,128 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:21:40,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:21:40,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:21:40,170 INFO L158 Benchmark]: Toolchain (without parser) took 2606.29ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 99.6MB in the beginning and 122.5MB in the end (delta: -22.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-21 22:21:40,170 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:21:40,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.71ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 58.0MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 22:21:40,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.45ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 54.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:21:40,172 INFO L158 Benchmark]: Boogie Preprocessor took 59.41ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:21:40,173 INFO L158 Benchmark]: RCFGBuilder took 540.55ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 40.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:21:40,173 INFO L158 Benchmark]: CodeCheck took 560.12ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 40.1MB in the beginning and 124.6MB in the end (delta: -84.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:21:40,174 INFO L158 Benchmark]: Witness Printer took 44.21ms. Allocated memory is still 172.0MB. Free memory was 124.6MB in the beginning and 122.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:21:40,176 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1569]: 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); [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={14:13}, argv={14:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_min_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_multiply_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1567] COND TRUE data < 0 VAL [\old(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] [L1569] data * 2 VAL [\old(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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.71ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 58.0MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.45ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 54.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.41ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.55ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 40.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 560.12ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 40.1MB in the beginning and 124.6MB in the end (delta: -84.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.21ms. Allocated memory is still 172.0MB. Free memory was 124.6MB in the beginning and 122.5MB 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! [2022-11-21 22:21:40,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fbbc3-5ead-4bcf-bfdf-08cfb62da340/bin/ukojak-jW3SillKbg/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)