./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_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_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash afac85fb40dfe04f77fb53e4fa5faf26755c8c8d63c8c59ee6820453aaf830bc --- 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 [2022-11-22 00:18:14,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:18:14,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:18:14,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:18:14,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:18:14,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:18:14,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:18:14,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:18:14,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:18:14,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:18:14,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:18:14,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:18:14,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:18:14,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:18:14,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:18:14,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:18:14,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:18:14,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:18:14,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:18:14,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:18:14,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:18:14,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:18:14,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:18:14,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:18:14,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:18:14,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:18:14,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:18:14,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:18:14,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:18:14,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:18:14,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:18:14,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:18:14,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:18:14,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:18:14,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:18:14,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:18:14,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:18:14,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:18:14,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:18:14,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:18:14,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:18:14,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 00:18:14,999 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:18:15,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:18:15,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:18:15,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:18:15,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:18:15,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:18:15,002 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:18:15,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:18:15,003 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:18:15,003 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:18:15,004 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:18:15,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:18:15,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:18:15,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:18:15,005 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:18:15,005 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:18:15,005 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:18:15,006 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:18:15,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:18:15,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:18:15,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:18:15,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:18:15,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:18:15,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:18:15,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:18:15,009 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:18:15,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:18:15,009 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:18:15,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:18:15,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:18:15,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:18:15,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:18:15,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:18:15,011 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:18:15,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:18:15,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:18:15,012 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:18:15,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:18:15,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:18:15,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:18:15,013 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_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afac85fb40dfe04f77fb53e4fa5faf26755c8c8d63c8c59ee6820453aaf830bc [2022-11-22 00:18:15,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:18:15,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:18:15,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:18:15,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:18:15,367 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:18:15,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2022-11-22 00:18:18,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:18:19,124 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:18:19,124 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2022-11-22 00:18:19,154 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/data/8c84e9938/0201ab92eefd4f2bbd7a665e14ee185c/FLAGd3f4fc8cc [2022-11-22 00:18:19,171 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/data/8c84e9938/0201ab92eefd4f2bbd7a665e14ee185c [2022-11-22 00:18:19,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:18:19,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:18:19,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:18:19,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:18:19,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:18:19,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:18:19" (1/1) ... [2022-11-22 00:18:19,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba41ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:19, skipping insertion in model container [2022-11-22 00:18:19,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:18:19" (1/1) ... [2022-11-22 00:18:19,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:18:19,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:18:19,638 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:18:20,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:18:20,347 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:18:20,384 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:18:20,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:18:20,615 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:18:20,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20 WrapperNode [2022-11-22 00:18:20,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:18:20,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:18:20,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:18:20,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:18:20,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,689 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2022-11-22 00:18:20,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:18:20,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:18:20,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:18:20,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:18:20,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,720 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:18:20,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:18:20,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:18:20,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:18:20,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (1/1) ... [2022-11-22 00:18:20,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:18:20,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:18:20,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:18:20,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:18:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 00:18:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 00:18:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:18:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:18:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:18:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 00:18:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:18:21,005 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:18:21,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:18:21,132 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:18:21,182 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:18:21,183 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:18:21,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:18:21 BoogieIcfgContainer [2022-11-22 00:18:21,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:18:21,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:18:21,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:18:21,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:18:21,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:18:19" (1/3) ... [2022-11-22 00:18:21,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14020cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:18:21, skipping insertion in model container [2022-11-22 00:18:21,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:18:20" (2/3) ... [2022-11-22 00:18:21,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14020cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:18:21, skipping insertion in model container [2022-11-22 00:18:21,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:18:21" (3/3) ... [2022-11-22 00:18:21,196 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2022-11-22 00:18:21,228 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:18:21,228 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 00:18:21,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:18:21,285 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cdd0c41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:18:21,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 00:18:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:18:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 00:18:21,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:18:21,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:18:21,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 00:18:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:18:21,306 INFO L85 PathProgramCache]: Analyzing trace with hash -425326275, now seen corresponding path program 1 times [2022-11-22 00:18:21,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:18:21,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148831901] [2022-11-22 00:18:21,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:18:21,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:18:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:18:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:18:21,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:18:21,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148831901] [2022-11-22 00:18:21,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148831901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:18:21,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:18:21,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:18:21,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295510900] [2022-11-22 00:18:21,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:18:21,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:18:21,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:18:21,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:18:21,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:18:21,785 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:18:21,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:18:21,829 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-11-22 00:18:21,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:18:21,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-22 00:18:21,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:18:21,838 INFO L225 Difference]: With dead ends: 20 [2022-11-22 00:18:21,839 INFO L226 Difference]: Without dead ends: 9 [2022-11-22 00:18:21,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:18:21,845 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:18:21,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:18:21,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-22 00:18:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-22 00:18:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:18:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-22 00:18:21,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-22 00:18:21,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:18:21,885 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-22 00:18:21,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:18:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-22 00:18:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:18:21,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:18:21,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:18:21,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:18:21,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 00:18:21,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:18:21,888 INFO L85 PathProgramCache]: Analyzing trace with hash -300212588, now seen corresponding path program 1 times [2022-11-22 00:18:21,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:18:21,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784720256] [2022-11-22 00:18:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:18:21,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:18:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:18:21,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:18:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:18:21,956 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 00:18:21,957 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 00:18:21,959 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-22 00:18:21,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-22 00:18:21,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:18:21,966 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 00:18:21,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:18:22,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:18:22 BoogieIcfgContainer [2022-11-22 00:18:22,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:18:22,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:18:22,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:18:22,011 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:18:22,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:18:21" (3/4) ... [2022-11-22 00:18:22,014 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 00:18:22,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:18:22,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:18:22,061 INFO L158 Benchmark]: Toolchain (without parser) took 2885.41ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 70.2MB in the end (delta: 48.6MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-11-22 00:18:22,061 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:18:22,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1439.78ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 120.4MB in the end (delta: -2.2MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-22 00:18:22,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.64ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 117.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:18:22,063 INFO L158 Benchmark]: Boogie Preprocessor took 33.59ms. Allocated memory is still 159.4MB. Free memory was 117.6MB in the beginning and 116.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:18:22,064 INFO L158 Benchmark]: RCFGBuilder took 460.52ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 103.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:18:22,064 INFO L158 Benchmark]: TraceAbstraction took 821.72ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 72.3MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-22 00:18:22,065 INFO L158 Benchmark]: Witness Printer took 49.03ms. Allocated memory is still 159.4MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:18:22,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1439.78ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 120.4MB in the end (delta: -2.2MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.64ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 117.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.59ms. Allocated memory is still 159.4MB. Free memory was 117.6MB in the beginning and 116.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.52ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 103.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 821.72ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 72.3MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 49.03ms. Allocated memory is still 159.4MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1576]: 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); [L1549] int CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, argv={1073741827:1073741826}, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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 CWE191_Integer_Underflow__int_min_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = (-0x7fffffff - 1) [L1557] CWE191_Integer_Underflow__int_min_multiply_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_min_multiply_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_min_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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] [L1574] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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] [L1576] data * 2 VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-22 00:18:22,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abd212d-c608-4164-b2ef-4b3daf3ffcce/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)