./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh --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 6f0de158392bf81b031723e628ac0882047577598357175d2fc8e981ae85b232 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:00:10,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:00:10,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 15:00:10,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:00:10,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:00:10,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:00:10,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:00:10,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:00:10,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:00:10,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:00:10,424 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:00:10,425 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:00:10,425 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:00:10,426 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:00:10,426 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:00:10,427 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:00:10,427 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:00:10,428 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:00:10,428 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:00:10,429 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:00:10,429 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:00:10,430 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:00:10,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:00:10,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:00:10,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:00:10,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:00:10,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:00:10,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:00:10,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:00:10,434 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 15:00:10,434 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:00:10,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:00:10,435 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:00:10,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:00:10,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:00:10,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:00:10,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:10,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:00:10,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:00:10,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:00:10,436 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:00:10,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:00:10,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:00:10,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:00:10,437 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:00:10,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:00:10,438 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_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f0de158392bf81b031723e628ac0882047577598357175d2fc8e981ae85b232 [2023-12-02 15:00:10,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:00:10,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:00:10,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:00:10,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:00:10,679 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:00:10,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_34_bad.i [2023-12-02 15:00:13,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:00:13,797 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:00:13,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_34_bad.i [2023-12-02 15:00:13,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data/e2119b12f/7b83c6b3d23c405d907a89ddd9083f8d/FLAGeb8b97a43 [2023-12-02 15:00:13,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data/e2119b12f/7b83c6b3d23c405d907a89ddd9083f8d [2023-12-02 15:00:13,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:00:13,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:00:13,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:13,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:00:13,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:00:13,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:13" (1/1) ... [2023-12-02 15:00:13,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b031568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:13, skipping insertion in model container [2023-12-02 15:00:13,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:13" (1/1) ... [2023-12-02 15:00:13,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:00:14,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:14,709 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:00:14,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:14,911 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:14,912 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:14,912 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:14,912 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:14,917 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:00:14,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14 WrapperNode [2023-12-02 15:00:14,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:14,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:14,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:00:14,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:00:14,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,971 INFO L138 Inliner]: procedures = 498, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-12-02 15:00:14,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:14,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:00:14,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:00:14,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:00:14,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:14,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:00:14,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:00:14,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:00:14,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:00:14,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (1/1) ... [2023-12-02 15:00:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:15,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:00:15,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:00:15,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:00:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 15:00:15,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 15:00:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:00:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:00:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:00:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:00:15,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:00:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:00:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 15:00:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:00:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:00:15,185 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:00:15,187 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:00:15,279 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:00:15,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:00:15,309 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:00:15,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:15 BoogieIcfgContainer [2023-12-02 15:00:15,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:00:15,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:00:15,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:00:15,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:00:15,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:00:13" (1/3) ... [2023-12-02 15:00:15,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67bb476a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:15, skipping insertion in model container [2023-12-02 15:00:15,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:14" (2/3) ... [2023-12-02 15:00:15,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67bb476a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:15, skipping insertion in model container [2023-12-02 15:00:15,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:15" (3/3) ... [2023-12-02 15:00:15,319 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_34_bad.i [2023-12-02 15:00:15,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:00:15,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 15:00:15,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:00:15,384 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=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;@48633458, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:00:15,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 15:00:15,387 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) [2023-12-02 15:00:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 15:00:15,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:15,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:00:15,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:15,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:15,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1312829956, now seen corresponding path program 1 times [2023-12-02 15:00:15,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:00:15,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858116482] [2023-12-02 15:00:15,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:15,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:00:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:00:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:00:15,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:00:15,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858116482] [2023-12-02 15:00:15,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858116482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:00:15,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:00:15,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:00:15,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133272149] [2023-12-02 15:00:15,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:00:15,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:00:15,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:00:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:00:15,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:00:15,677 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) [2023-12-02 15:00:15,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:00:15,719 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2023-12-02 15:00:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:00:15,721 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 [2023-12-02 15:00:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:00:15,727 INFO L225 Difference]: With dead ends: 20 [2023-12-02 15:00:15,728 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 15:00:15,730 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 [2023-12-02 15:00:15,734 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:00:15,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:00:15,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 15:00:15,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-12-02 15:00:15,765 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) [2023-12-02 15:00:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-12-02 15:00:15,767 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2023-12-02 15:00:15,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:00:15,767 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-12-02 15:00:15,767 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) [2023-12-02 15:00:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-12-02 15:00:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 15:00:15,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:15,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:00:15,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:00:15,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:15,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:15,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2043022923, now seen corresponding path program 1 times [2023-12-02 15:00:15,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:00:15,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751440437] [2023-12-02 15:00:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:00:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:15,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:00:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:15,850 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:00:15,851 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:00:15,852 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 15:00:15,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 15:00:15,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:00:15,856 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 15:00:15,859 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:00:15,872 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 15:00:15,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:00:15 BoogieIcfgContainer [2023-12-02 15:00:15,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:00:15,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:00:15,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:00:15,881 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:00:15,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:15" (3/4) ... [2023-12-02 15:00:15,883 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:00:15,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:00:15,885 INFO L158 Benchmark]: Toolchain (without parser) took 2043.24ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 107.6MB in the end (delta: 7.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-12-02 15:00:15,886 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:00:15,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1074.56ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 98.5MB in the end (delta: 16.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-12-02 15:00:15,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.52ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 95.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:00:15,887 INFO L158 Benchmark]: Boogie Preprocessor took 25.49ms. Allocated memory is still 155.2MB. Free memory was 95.6MB in the beginning and 94.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:00:15,888 INFO L158 Benchmark]: RCFGBuilder took 312.43ms. Allocated memory is still 155.2MB. Free memory was 94.2MB in the beginning and 80.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:00:15,888 INFO L158 Benchmark]: TraceAbstraction took 568.01ms. Allocated memory is still 155.2MB. Free memory was 79.6MB in the beginning and 107.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:00:15,889 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 155.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:00:15,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1074.56ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 98.5MB in the end (delta: 16.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.52ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 95.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.49ms. Allocated memory is still 155.2MB. Free memory was 95.6MB in the beginning and 94.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.43ms. Allocated memory is still 155.2MB. Free memory was 94.2MB in the beginning and 80.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 568.01ms. Allocated memory is still 155.2MB. Free memory was 79.6MB in the beginning and 107.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 155.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1564]: 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 1572. 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); [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483651:2147483650}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE190_Integer_Overflow__int_max_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_max_multiply_34_unionType myUnion; [L1557] data = 0 [L1558] data = 0x7fffffff [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1562] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] [L1564] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] - UnprovableResult [Line: 1564]: 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 12 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2023-12-02 15:00:15,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh --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 6f0de158392bf81b031723e628ac0882047577598357175d2fc8e981ae85b232 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:00:17,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:00:17,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 15:00:17,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:00:17,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:00:17,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:00:17,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:00:17,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:00:17,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:00:17,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:00:17,999 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:00:18,000 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:00:18,000 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:00:18,001 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:00:18,001 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:00:18,002 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:00:18,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:00:18,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:00:18,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:00:18,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:00:18,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:00:18,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:00:18,006 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:00:18,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:00:18,007 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 15:00:18,007 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:00:18,008 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:00:18,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:00:18,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:00:18,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:00:18,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:00:18,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:00:18,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:00:18,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:18,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:00:18,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:00:18,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:00:18,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:00:18,011 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:00:18,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:00:18,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:00:18,012 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:00:18,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:00:18,012 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f0de158392bf81b031723e628ac0882047577598357175d2fc8e981ae85b232 [2023-12-02 15:00:18,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:00:18,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:00:18,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:00:18,326 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:00:18,326 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:00:18,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_34_bad.i [2023-12-02 15:00:21,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:00:21,417 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:00:21,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_34_bad.i [2023-12-02 15:00:21,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data/3e62e6497/c7cab97febff4a82b3a38fa2ae819f0c/FLAG9e1281464 [2023-12-02 15:00:21,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/data/3e62e6497/c7cab97febff4a82b3a38fa2ae819f0c [2023-12-02 15:00:21,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:00:21,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:00:21,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:21,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:00:21,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:00:21,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:21" (1/1) ... [2023-12-02 15:00:21,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bea1fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:21, skipping insertion in model container [2023-12-02 15:00:21,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:21" (1/1) ... [2023-12-02 15:00:21,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:00:22,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:22,355 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:00:22,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:22,604 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:22,604 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:22,604 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:22,605 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:22,611 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:00:22,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22 WrapperNode [2023-12-02 15:00:22,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:22,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:22,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:00:22,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:00:22,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,671 INFO L138 Inliner]: procedures = 503, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-12-02 15:00:22,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:22,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:00:22,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:00:22,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:00:22,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:00:22,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:00:22,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:00:22,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:00:22,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (1/1) ... [2023-12-02 15:00:22,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:00:22,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:00:22,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:00:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 15:00:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 15:00:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:00:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:00:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:00:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:00:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:00:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 15:00:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:00:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 15:00:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 15:00:22,922 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:00:22,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:00:23,053 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:00:23,090 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:00:23,090 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:00:23,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:23 BoogieIcfgContainer [2023-12-02 15:00:23,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:00:23,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:00:23,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:00:23,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:00:23,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:00:21" (1/3) ... [2023-12-02 15:00:23,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f6d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:23, skipping insertion in model container [2023-12-02 15:00:23,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:22" (2/3) ... [2023-12-02 15:00:23,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f6d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:23, skipping insertion in model container [2023-12-02 15:00:23,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:23" (3/3) ... [2023-12-02 15:00:23,101 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_34_bad.i [2023-12-02 15:00:23,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:00:23,123 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 15:00:23,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:00:23,182 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=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;@68957481, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:00:23,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 15:00:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-12-02 15:00:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 15:00:23,195 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:23,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:00:23,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:23,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:23,203 INFO L85 PathProgramCache]: Analyzing trace with hash -196217612, now seen corresponding path program 1 times [2023-12-02 15:00:23,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:00:23,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277413782] [2023-12-02 15:00:23,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:23,219 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 [2023-12-02 15:00:23,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:00:23,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:00:23,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:00:23,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:00:23,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:00:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:00:23,426 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:00:23,427 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:00:23,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277413782] [2023-12-02 15:00:23,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277413782] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:00:23,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:00:23,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:00:23,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842644523] [2023-12-02 15:00:23,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:00:23,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:00:23,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:00:23,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:00:23,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:00:23,467 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 3.5) internal successors, (7), 3 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) [2023-12-02 15:00:23,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:00:23,502 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-12-02 15:00:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:00:23,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2023-12-02 15:00:23,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:00:23,512 INFO L225 Difference]: With dead ends: 20 [2023-12-02 15:00:23,512 INFO L226 Difference]: Without dead ends: 11 [2023-12-02 15:00:23,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:00:23,519 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:00:23,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:00:23,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-12-02 15:00:23,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-12-02 15:00:23,549 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) [2023-12-02 15:00:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 15:00:23,551 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2023-12-02 15:00:23,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:00:23,552 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 15:00:23,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-12-02 15:00:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 15:00:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 15:00:23,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:23,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:00:23,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:23,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:23,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:23,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:23,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1787778627, now seen corresponding path program 1 times [2023-12-02 15:00:23,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:00:23,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538146583] [2023-12-02 15:00:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:23,760 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 [2023-12-02 15:00:23,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:00:23,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:00:23,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:23,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:00:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:23,931 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 15:00:23,931 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:00:23,933 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 15:00:23,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 15:00:23,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 15:00:24,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:24,138 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 15:00:24,141 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:00:24,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-02 15:00:24,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:00:24 BoogieIcfgContainer [2023-12-02 15:00:24,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:00:24,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:00:24,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:00:24,165 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:00:24,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:23" (3/4) ... [2023-12-02 15:00:24,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:00:24,173 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:00:24,174 INFO L158 Benchmark]: Toolchain (without parser) took 2711.49ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.6MB in the beginning and 65.0MB in the end (delta: -14.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-12-02 15:00:24,175 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:00:24,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1147.41ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 57.6MB in the end (delta: -7.2MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-12-02 15:00:24,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.91ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 54.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:00:24,177 INFO L158 Benchmark]: Boogie Preprocessor took 37.78ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 52.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:00:24,178 INFO L158 Benchmark]: RCFGBuilder took 379.89ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 62.4MB in the end (delta: -10.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-02 15:00:24,178 INFO L158 Benchmark]: TraceAbstraction took 1070.68ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 28.8MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 15:00:24,179 INFO L158 Benchmark]: Witness Printer took 8.39ms. Allocated memory is still 94.4MB. Free memory was 28.8MB in the beginning and 65.0MB in the end (delta: -36.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:00:24,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1147.41ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 57.6MB in the end (delta: -7.2MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.91ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 54.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.78ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 52.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.89ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 62.4MB in the end (delta: -10.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1070.68ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 28.8MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 8.39ms. Allocated memory is still 94.4MB. Free memory was 28.8MB in the beginning and 65.0MB in the end (delta: -36.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1564]: 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 1572. 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); [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE190_Integer_Overflow__int_max_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_max_multiply_34_unionType myUnion; [L1557] data = 0 [L1558] data = 0x7fffffff [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1562] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] [L1564] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] - UnprovableResult [Line: 1564]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 4 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 6 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 [2023-12-02 15:00:24,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b96bfb-3e0e-4424-97af-5769787371ba/bin/utaipan-verify-nQ1chXbOIh/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