./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5e457b1c43a347ec1cd8b1af41459629d029eb28d1994489bb05fbe27a1fec1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:09:15,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:09:15,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 23:09:15,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:09:15,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:09:15,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:09:15,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:09:15,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:09:15,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:09:15,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:09:15,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:09:15,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:09:15,385 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:09:15,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:09:15,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:09:15,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:09:15,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:09:15,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:09:15,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:09:15,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:09:15,390 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:09:15,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:09:15,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:09:15,392 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:09:15,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:09:15,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:09:15,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:09:15,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:15,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:09:15,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:09:15,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:09:15,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:09:15,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:09:15,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:09:15,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:09:15,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:09:15,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:09:15,398 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:09:15,399 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e457b1c43a347ec1cd8b1af41459629d029eb28d1994489bb05fbe27a1fec1d [2023-11-06 23:09:15,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:09:15,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:09:15,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:09:15,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:09:15,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:09:15,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_bad.i [2023-11-06 23:09:18,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:09:19,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:09:19,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_bad.i [2023-11-06 23:09:19,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/data/9d379ed60/75d7518aa1d64548acc5a8d161280f0f/FLAGb86c88213 [2023-11-06 23:09:19,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/data/9d379ed60/75d7518aa1d64548acc5a8d161280f0f [2023-11-06 23:09:19,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:09:19,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:09:19,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:19,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:09:19,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:09:19,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:19" (1/1) ... [2023-11-06 23:09:19,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6221ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:19, skipping insertion in model container [2023-11-06 23:09:19,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:19" (1/1) ... [2023-11-06 23:09:19,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:09:19,952 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:09:20,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:20,555 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:09:20,596 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:09:20,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:20,834 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:20,834 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:20,834 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:20,834 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:20,835 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:20,843 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:09:20,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20 WrapperNode [2023-11-06 23:09:20,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:20,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:20,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:09:20,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:09:20,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,951 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2023-11-06 23:09:20,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:20,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:09:20,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:09:20,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:09:20,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:20,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:09:20,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:09:20,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:09:20,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:09:20,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2023-11-06 23:09:21,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:21,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:21,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:09:21,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:09:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 23:09:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 23:09:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:09:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:09:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:09:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-06 23:09:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-06 23:09:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 23:09:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:09:21,305 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:09:21,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:09:21,494 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:09:21,500 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:09:21,501 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:09:21,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:21 BoogieIcfgContainer [2023-11-06 23:09:21,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:09:21,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:09:21,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:09:21,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:09:21,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:19" (1/3) ... [2023-11-06 23:09:21,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c035da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:21, skipping insertion in model container [2023-11-06 23:09:21,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (2/3) ... [2023-11-06 23:09:21,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c035da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:21, skipping insertion in model container [2023-11-06 23:09:21,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:21" (3/3) ... [2023-11-06 23:09:21,518 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_08_bad.i [2023-11-06 23:09:21,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:09:21,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 23:09:21,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:09:21,607 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6aec008, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:09:21,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 23:09:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 23:09:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 23:09:21,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:21,622 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:21,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 23:09:21,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:21,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1406366263, now seen corresponding path program 1 times [2023-11-06 23:09:21,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:21,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282402393] [2023-11-06 23:09:21,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:09:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:09:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 23:09:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:22,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:22,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282402393] [2023-11-06 23:09:22,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282402393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:22,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:22,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:22,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305765096] [2023-11-06 23:09:22,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:22,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:22,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:22,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:22,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:22,115 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:09:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:22,164 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2023-11-06 23:09:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:22,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2023-11-06 23:09:22,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:22,175 INFO L225 Difference]: With dead ends: 49 [2023-11-06 23:09:22,175 INFO L226 Difference]: Without dead ends: 29 [2023-11-06 23:09:22,178 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 [2023-11-06 23:09:22,182 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:22,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 56 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:09:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-06 23:09:22,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2023-11-06 23:09:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 23:09:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2023-11-06 23:09:22,223 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 22 [2023-11-06 23:09:22,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:22,225 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2023-11-06 23:09:22,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:09:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-06 23:09:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 23:09:22,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:22,227 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:22,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:09:22,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 23:09:22,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:22,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2086424633, now seen corresponding path program 1 times [2023-11-06 23:09:22,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:22,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953380093] [2023-11-06 23:09:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:22,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:09:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:09:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 23:09:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:09:22,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:22,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953380093] [2023-11-06 23:09:22,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953380093] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:22,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603165325] [2023-11-06 23:09:22,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:22,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:22,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:22,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:22,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:09:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:22,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:09:22,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:22,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:22,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603165325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:22,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:09:22,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-06 23:09:22,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192516033] [2023-11-06 23:09:22,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:22,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:22,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:22,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:22,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:09:22,672 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:09:22,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:22,693 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2023-11-06 23:09:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:22,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2023-11-06 23:09:22,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:22,695 INFO L225 Difference]: With dead ends: 29 [2023-11-06 23:09:22,695 INFO L226 Difference]: Without dead ends: 21 [2023-11-06 23:09:22,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:09:22,700 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:22,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:09:22,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-06 23:09:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-06 23:09:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:09:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2023-11-06 23:09:22,713 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 22 [2023-11-06 23:09:22,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:22,713 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2023-11-06 23:09:22,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:09:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-06 23:09:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 23:09:22,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:22,716 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:22,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:22,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:22,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 23:09:22,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:22,923 INFO L85 PathProgramCache]: Analyzing trace with hash 647681255, now seen corresponding path program 1 times [2023-11-06 23:09:22,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:22,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639887127] [2023-11-06 23:09:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:22,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:09:22,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:09:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:09:22,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:09:22,996 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:09:22,997 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 23:09:22,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 23:09:23,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:09:23,006 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 23:09:23,011 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:09:23,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:09:23 BoogieIcfgContainer [2023-11-06 23:09:23,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:09:23,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:09:23,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:09:23,057 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:09:23,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:21" (3/4) ... [2023-11-06 23:09:23,058 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-06 23:09:23,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:09:23,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:09:23,149 INFO L158 Benchmark]: Toolchain (without parser) took 3755.71ms. Allocated memory is still 136.3MB. Free memory was 89.4MB in the beginning and 51.5MB in the end (delta: 37.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-06 23:09:23,151 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:23,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.82ms. Allocated memory is still 136.3MB. Free memory was 89.4MB in the beginning and 77.8MB in the end (delta: 11.5MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:23,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.84ms. Allocated memory is still 136.3MB. Free memory was 77.8MB in the beginning and 74.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:23,153 INFO L158 Benchmark]: Boogie Preprocessor took 33.55ms. Allocated memory is still 136.3MB. Free memory was 74.7MB in the beginning and 73.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:23,153 INFO L158 Benchmark]: RCFGBuilder took 516.32ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 61.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:09:23,154 INFO L158 Benchmark]: TraceAbstraction took 1550.34ms. Allocated memory is still 136.3MB. Free memory was 61.1MB in the beginning and 54.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-06 23:09:23,154 INFO L158 Benchmark]: Witness Printer took 92.36ms. Allocated memory is still 136.3MB. Free memory was 54.3MB in the beginning and 51.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:23,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.82ms. Allocated memory is still 136.3MB. Free memory was 89.4MB in the beginning and 77.8MB in the end (delta: 11.5MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.84ms. Allocated memory is still 136.3MB. Free memory was 77.8MB in the beginning and 74.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.55ms. Allocated memory is still 136.3MB. Free memory was 74.7MB in the beginning and 73.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.32ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 61.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1550.34ms. Allocated memory is still 136.3MB. Free memory was 61.1MB in the beginning and 54.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 92.36ms. Allocated memory is still 136.3MB. Free memory was 54.3MB in the beginning and 51.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1568]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_max_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1566] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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 3 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, 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, 99 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 58 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 7/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-06 23:09:23,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de1549f-095a-476c-81b8-dd76e1077cb5/bin/uautomizer-verify-WvqO1wxjHP/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)