./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 51db7420bcca1417504fb22482f3d791759185e806434c133feef716209af5e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:09:03,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:09:03,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 07:09:03,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:09:03,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:09:03,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:09:03,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:09:03,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:09:03,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:09:03,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:09:03,756 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:09:03,757 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:09:03,757 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:09:03,758 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:09:03,758 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:09:03,758 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:09:03,759 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:09:03,759 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:09:03,760 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:09:03,760 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:09:03,765 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:09:03,765 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:09:03,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:09:03,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:09:03,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:09:03,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:09:03,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:09:03,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:09:03,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:09:03,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:09:03,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:09:03,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:09:03,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:09:03,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:09:03,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:09:03,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:09:03,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:09:03,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:09:03,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:09:03,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:09:03,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:09:03,776 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:09:03,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:09:03,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:09:03,777 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:09:03,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:09:03,778 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51db7420bcca1417504fb22482f3d791759185e806434c133feef716209af5e2 [2024-11-09 07:09:04,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:09:04,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:09:04,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:09:04,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:09:04,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:09:04,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_32_bad.i Unable to find full path for "g++" [2024-11-09 07:09:06,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:09:06,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:09:06,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_32_bad.i [2024-11-09 07:09:06,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data/a434ec1a2/99601004cfd34cdb91070b60498aae91/FLAGbcc82be1a [2024-11-09 07:09:06,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data/a434ec1a2/99601004cfd34cdb91070b60498aae91 [2024-11-09 07:09:06,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:09:06,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:09:06,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:09:06,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:09:06,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:09:06,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:09:06" (1/1) ... [2024-11-09 07:09:06,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68258bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:06, skipping insertion in model container [2024-11-09 07:09:06,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:09:06" (1/1) ... [2024-11-09 07:09:07,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:09:08,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:09:08,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:09:08,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:09:08,696 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:09:08,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08 WrapperNode [2024-11-09 07:09:08,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:09:08,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:09:08,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:09:08,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:09:08,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,768 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-09 07:09:08,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:09:08,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:09:08,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:09:08,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:09:08,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:09:08,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:09:08,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:09:08,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:09:08,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (1/1) ... [2024-11-09 07:09:08,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:09:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:09:08,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:09:08,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:09:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:09:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:09:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:09:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:09:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:09:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:09:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:09:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:09:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:09:09,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:09:09,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:09:09,336 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 07:09:09,336 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:09:09,391 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:09:09,392 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:09:09,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:09 BoogieIcfgContainer [2024-11-09 07:09:09,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:09:09,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:09:09,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:09:09,401 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:09:09,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:09:06" (1/3) ... [2024-11-09 07:09:09,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8fe9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:09:09, skipping insertion in model container [2024-11-09 07:09:09,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:08" (2/3) ... [2024-11-09 07:09:09,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8fe9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:09:09, skipping insertion in model container [2024-11-09 07:09:09,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:09" (3/3) ... [2024-11-09 07:09:09,408 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_32_bad.i [2024-11-09 07:09:09,433 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:09:09,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:09:09,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:09:09,536 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@83de491, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:09:09,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:09:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2024-11-09 07:09:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:09:09,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:09:09,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:09:09,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:09:09,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:09,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1771518356, now seen corresponding path program 1 times [2024-11-09 07:09:09,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:09:09,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798823747] [2024-11-09 07:09:09,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:09:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:09:10,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:09:10,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798823747] [2024-11-09 07:09:10,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798823747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:09:10,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:09:10,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:09:10,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981679422] [2024-11-09 07:09:10,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:09:10,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:09:10,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:09:10,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:09:10,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:09:10,313 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 07:09:10,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:09:10,349 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2024-11-09 07:09:10,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:09:10,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2024-11-09 07:09:10,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:09:10,362 INFO L225 Difference]: With dead ends: 14 [2024-11-09 07:09:10,362 INFO L226 Difference]: Without dead ends: 8 [2024-11-09 07:09:10,366 INFO L431 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 [2024-11-09 07:09:10,370 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:09:10,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:09:10,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-09 07:09:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-09 07:09:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2024-11-09 07:09:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-09 07:09:10,410 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2024-11-09 07:09:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:09:10,411 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-09 07:09:10,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 07:09:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-09 07:09:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 07:09:10,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:09:10,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:10,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:09:10,415 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:09:10,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:10,416 INFO L85 PathProgramCache]: Analyzing trace with hash -917505766, now seen corresponding path program 1 times [2024-11-09 07:09:10,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:09:10,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552375119] [2024-11-09 07:09:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:10,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:09:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:09:10,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:09:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:09:10,546 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:09:10,547 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:09:10,549 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:09:10,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:09:10,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:09:10,556 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:09:10,588 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:09:10,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:09:10 BoogieIcfgContainer [2024-11-09 07:09:10,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:09:10,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:09:10,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:09:10,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:09:10,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:09" (3/4) ... [2024-11-09 07:09:10,601 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:09:10,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:09:10,604 INFO L158 Benchmark]: Toolchain (without parser) took 3680.38ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 96.8MB in the beginning and 133.2MB in the end (delta: -36.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-09 07:09:10,605 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:09:10,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1772.10ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 96.8MB in the beginning and 135.4MB in the end (delta: -38.6MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-09 07:09:10,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.03ms. Allocated memory is still 190.8MB. Free memory was 135.4MB in the beginning and 132.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:09:10,608 INFO L158 Benchmark]: Boogie Preprocessor took 35.27ms. Allocated memory is still 190.8MB. Free memory was 132.4MB in the beginning and 131.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:09:10,609 INFO L158 Benchmark]: RCFGBuilder took 584.32ms. Allocated memory is still 190.8MB. Free memory was 131.2MB in the beginning and 116.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:09:10,609 INFO L158 Benchmark]: TraceAbstraction took 1199.78ms. Allocated memory is still 190.8MB. Free memory was 115.6MB in the beginning and 133.2MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:09:10,610 INFO L158 Benchmark]: Witness Printer took 6.48ms. Allocated memory is still 190.8MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:09:10,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1772.10ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 96.8MB in the beginning and 135.4MB in the end (delta: -38.6MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.03ms. Allocated memory is still 190.8MB. Free memory was 135.4MB in the beginning and 132.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.27ms. Allocated memory is still 190.8MB. Free memory was 132.4MB in the beginning and 131.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.32ms. Allocated memory is still 190.8MB. Free memory was 131.2MB in the beginning and 116.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1199.78ms. Allocated memory is still 190.8MB. Free memory was 115.6MB in the beginning and 133.2MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.48ms. Allocated memory is still 190.8MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET 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] [L1572] CALL CWE190_Integer_Overflow__int_max_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = 0x7fffffff [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] ++data VAL [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: 1562]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 7 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=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:09:10,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 51db7420bcca1417504fb22482f3d791759185e806434c133feef716209af5e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:09:13,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:09:13,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 07:09:13,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:09:13,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:09:13,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:09:13,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:09:13,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:09:13,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:09:13,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:09:13,620 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:09:13,620 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:09:13,621 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:09:13,621 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:09:13,622 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:09:13,624 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:09:13,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:09:13,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:09:13,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:09:13,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:09:13,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:09:13,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:09:13,631 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:09:13,632 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:09:13,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:09:13,632 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:09:13,633 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:09:13,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:09:13,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:09:13,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:09:13,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:09:13,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:09:13,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:09:13,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:09:13,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:09:13,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:09:13,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:09:13,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:09:13,639 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:09:13,640 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:09:13,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:09:13,641 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:09:13,657 INFO L153 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_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51db7420bcca1417504fb22482f3d791759185e806434c133feef716209af5e2 [2024-11-09 07:09:14,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:09:14,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:09:14,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:09:14,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:09:14,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:09:14,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_32_bad.i Unable to find full path for "g++" [2024-11-09 07:09:16,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:09:17,084 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:09:17,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_32_bad.i [2024-11-09 07:09:17,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data/ca5614de1/a9b09a9234c843c9a34934c52b441ef4/FLAG5f7a734e9 [2024-11-09 07:09:17,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/data/ca5614de1/a9b09a9234c843c9a34934c52b441ef4 [2024-11-09 07:09:17,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:09:17,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:09:17,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:09:17,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:09:17,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:09:17,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:09:17" (1/1) ... [2024-11-09 07:09:17,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2206c880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:17, skipping insertion in model container [2024-11-09 07:09:17,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:09:17" (1/1) ... [2024-11-09 07:09:17,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:09:18,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:09:18,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:09:18,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:09:18,866 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:09:18,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18 WrapperNode [2024-11-09 07:09:18,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:09:18,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:09:18,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:09:18,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:09:18,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,939 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-09 07:09:18,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:09:18,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:09:18,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:09:18,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:09:18,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:09:18,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:09:18,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:09:18,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:09:18,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (1/1) ... [2024-11-09 07:09:18,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:09:19,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:09:19,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:09:19,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:09:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:09:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:09:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:09:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:09:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:09:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:09:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 07:09:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:09:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 07:09:19,300 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:09:19,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:09:19,476 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 07:09:19,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:09:19,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:09:19,494 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:09:19,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:19 BoogieIcfgContainer [2024-11-09 07:09:19,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:09:19,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:09:19,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:09:19,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:09:19,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:09:17" (1/3) ... [2024-11-09 07:09:19,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aef824e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:09:19, skipping insertion in model container [2024-11-09 07:09:19,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:18" (2/3) ... [2024-11-09 07:09:19,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aef824e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:09:19, skipping insertion in model container [2024-11-09 07:09:19,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:19" (3/3) ... [2024-11-09 07:09:19,509 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_32_bad.i [2024-11-09 07:09:19,532 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:09:19,533 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:09:19,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:09:19,612 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@341a1f26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:09:19,612 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:09:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-09 07:09:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 07:09:19,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:09:19,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:19,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:09:19,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:19,639 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-09 07:09:19,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:09:19,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456163119] [2024-11-09 07:09:19,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:19,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:09:19,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:09:19,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:09:19,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 07:09:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:19,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:09:19,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:09:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:09:19,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:09:19,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:09:19,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456163119] [2024-11-09 07:09:19,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456163119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:09:19,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:09:19,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 07:09:19,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174180528] [2024-11-09 07:09:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:09:19,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:09:19,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:09:19,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:09:19,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:09:19,980 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:09:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:09:20,000 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-09 07:09:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:09:20,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-09 07:09:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:09:20,011 INFO L225 Difference]: With dead ends: 19 [2024-11-09 07:09:20,011 INFO L226 Difference]: Without dead ends: 11 [2024-11-09 07:09:20,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:09:20,019 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:09:20,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:09:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-09 07:09:20,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-09 07:09:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:09:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-09 07:09:20,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-09 07:09:20,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:09:20,064 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-09 07:09:20,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:09:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-09 07:09:20,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 07:09:20,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:09:20,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:20,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:09:20,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:09:20,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:09:20,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:20,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170657, now seen corresponding path program 1 times [2024-11-09 07:09:20,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:09:20,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551955880] [2024-11-09 07:09:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:20,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:09:20,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:09:20,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:09:20,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 07:09:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:09:20,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:09:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:09:20,519 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:09:20,520 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:09:20,522 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:09:20,524 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:09:20,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 07:09:20,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:09:20,732 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:09:20,757 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:09:20,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:09:20 BoogieIcfgContainer [2024-11-09 07:09:20,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:09:20,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:09:20,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:09:20,762 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:09:20,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:19" (3/4) ... [2024-11-09 07:09:20,766 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:09:20,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:09:20,768 INFO L158 Benchmark]: Toolchain (without parser) took 3625.31ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 53.2MB in the beginning and 64.5MB in the end (delta: -11.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-09 07:09:20,769 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:09:20,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1723.16ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 52.9MB in the beginning and 55.1MB in the end (delta: -2.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-09 07:09:20,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.32ms. Allocated memory is still 102.8MB. Free memory was 55.1MB in the beginning and 52.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:09:20,771 INFO L158 Benchmark]: Boogie Preprocessor took 42.52ms. Allocated memory is still 102.8MB. Free memory was 52.5MB in the beginning and 50.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:09:20,771 INFO L158 Benchmark]: RCFGBuilder took 511.33ms. Allocated memory is still 102.8MB. Free memory was 50.1MB in the beginning and 66.4MB in the end (delta: -16.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-09 07:09:20,772 INFO L158 Benchmark]: TraceAbstraction took 1262.19ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 64.7MB in the end (delta: 1.1MB). Peak memory consumption was 796.3kB. Max. memory is 16.1GB. [2024-11-09 07:09:20,773 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 102.8MB. Free memory was 64.7MB in the beginning and 64.5MB in the end (delta: 211.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:09:20,776 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1723.16ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 52.9MB in the beginning and 55.1MB in the end (delta: -2.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.32ms. Allocated memory is still 102.8MB. Free memory was 55.1MB in the beginning and 52.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.52ms. Allocated memory is still 102.8MB. Free memory was 52.5MB in the beginning and 50.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.33ms. Allocated memory is still 102.8MB. Free memory was 50.1MB in the beginning and 66.4MB in the end (delta: -16.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1262.19ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 64.7MB in the end (delta: 1.1MB). Peak memory consumption was 796.3kB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 102.8MB. Free memory was 64.7MB in the beginning and 64.5MB in the end (delta: 211.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET 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] [L1572] CALL CWE190_Integer_Overflow__int_max_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = 0x7fffffff [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] ++data VAL [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: 1562]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 1 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 could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:09:20,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c8b026-4d48-4175-87c5-413916d24918/bin/utaipan-verify-YMUCfTKeje/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 Result: UNKNOWN: Overapproximated counterexample