./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91 --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 f97a5d183abfc098a16f6d10b9cfbbebcb6580c7a793e75f58c612415662c2d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:27,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:27,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:14:27,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:27,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:27,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:27,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:27,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:27,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:27,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:27,213 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:27,213 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:27,214 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:27,215 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:27,215 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:27,216 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:27,216 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:27,217 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:27,218 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:27,218 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:27,219 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:27,220 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:27,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:27,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:27,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:27,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:27,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:27,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:27,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:27,225 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:14:27,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:14:27,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:27,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:27,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:27,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:27,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:27,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:27,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:27,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:27,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:27,231 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:27,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:27,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:27,232 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:27,233 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:27,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:27,233 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_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97a5d183abfc098a16f6d10b9cfbbebcb6580c7a793e75f58c612415662c2d5 [2023-11-24 23:14:27,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:27,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:27,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:27,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:27,579 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:27,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_31_bad.i [2023-11-24 23:14:30,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:31,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:31,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_31_bad.i [2023-11-24 23:14:31,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data/67a67e439/4507e055cc0b4468bba3dfe50687e4ac/FLAGab6dfb058 [2023-11-24 23:14:31,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data/67a67e439/4507e055cc0b4468bba3dfe50687e4ac [2023-11-24 23:14:31,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:31,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:31,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:31,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:31,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:31,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:31" (1/1) ... [2023-11-24 23:14:31,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365dbc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:31, skipping insertion in model container [2023-11-24 23:14:31,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:31" (1/1) ... [2023-11-24 23:14:31,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:32,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:32,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:32,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:32,754 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:32,754 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:32,754 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:32,755 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:32,763 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:32,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32 WrapperNode [2023-11-24 23:14:32,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:32,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:32,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:32,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:32,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,848 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2023-11-24 23:14:32,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:32,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:32,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:32,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:32,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:32,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:32,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:32,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:32,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (1/1) ... [2023-11-24 23:14:32,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:32,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:32,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:32,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:14:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:14:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:14:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:33,176 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:33,179 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:33,409 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:33,768 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:33,768 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:14:33,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:33 BoogieIcfgContainer [2023-11-24 23:14:33,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:33,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:33,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:33,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:33,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:31" (1/3) ... [2023-11-24 23:14:33,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5d93a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:33, skipping insertion in model container [2023-11-24 23:14:33,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:32" (2/3) ... [2023-11-24 23:14:33,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5d93a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:33, skipping insertion in model container [2023-11-24 23:14:33,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:33" (3/3) ... [2023-11-24 23:14:33,786 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_31_bad.i [2023-11-24 23:14:33,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:33,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:14:33,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:33,870 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;@285bf45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:33,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:14:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:14:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:14:33,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:33,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-24 23:14:33,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:14:33,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash -275850316, now seen corresponding path program 1 times [2023-11-24 23:14:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:33,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052752996] [2023-11-24 23:14:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:34,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:34,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052752996] [2023-11-24 23:14:34,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052752996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:34,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:34,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:14:34,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684362880] [2023-11-24 23:14:34,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:34,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:34,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:34,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:34,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:34,596 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:14:34,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:34,672 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-24 23:14:34,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:34,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2023-11-24 23:14:34,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:34,684 INFO L225 Difference]: With dead ends: 12 [2023-11-24 23:14:34,684 INFO L226 Difference]: Without dead ends: 8 [2023-11-24 23:14:34,688 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 [2023-11-24 23:14:34,692 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:34,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:14:34,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-24 23:14:34,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-24 23:14:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:14:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-24 23:14:34,743 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-24 23:14:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:34,744 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-24 23:14:34,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:14:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-24 23:14:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:14:34,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:34,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:34,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:14:34,748 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:14:34,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:34,749 INFO L85 PathProgramCache]: Analyzing trace with hash 38574917, now seen corresponding path program 1 times [2023-11-24 23:14:34,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:34,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827159482] [2023-11-24 23:14:34,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:34,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:35,157 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:35,158 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:35,161 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:14:35,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:14:35,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:14:35,168 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:14:35,172 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:35,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 23:14:35,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:35 BoogieIcfgContainer [2023-11-24 23:14:35,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:35,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:35,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:35,221 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:35,221 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:33" (3/4) ... [2023-11-24 23:14:35,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:14:35,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:35,227 INFO L158 Benchmark]: Toolchain (without parser) took 3980.80ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 84.2MB in the beginning and 119.6MB in the end (delta: -35.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:35,228 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:35,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.71ms. Allocated memory is still 132.1MB. Free memory was 83.8MB in the beginning and 68.3MB in the end (delta: 15.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-11-24 23:14:35,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.68ms. Allocated memory is still 132.1MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:35,238 INFO L158 Benchmark]: Boogie Preprocessor took 38.52ms. Allocated memory is still 132.1MB. Free memory was 65.6MB in the beginning and 63.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:35,238 INFO L158 Benchmark]: RCFGBuilder took 882.32ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 63.6MB in the beginning and 114.1MB in the end (delta: -50.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:35,239 INFO L158 Benchmark]: TraceAbstraction took 1443.53ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 119.6MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:35,239 INFO L158 Benchmark]: Witness Printer took 6.67ms. Allocated memory is still 169.9MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:35,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.71ms. Allocated memory is still 132.1MB. Free memory was 83.8MB in the beginning and 68.3MB in the end (delta: 15.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.68ms. Allocated memory is still 132.1MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.52ms. Allocated memory is still 132.1MB. Free memory was 65.6MB in the beginning and 63.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 882.32ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 63.6MB in the beginning and 114.1MB in the end (delta: -50.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1443.53ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 119.6MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.67ms. Allocated memory is still 169.9MB. Free memory is still 119.6MB. 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~nondet111 - 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: 1557]: 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 1565, overapproximation of bitwiseOr at line 1552. 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); [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE190_Integer_Overflow__int_rand_add_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, dataCopy=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, dataCopy=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2023-11-24 23:14:35,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91 --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 f97a5d183abfc098a16f6d10b9cfbbebcb6580c7a793e75f58c612415662c2d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:38,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:38,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:14:38,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:38,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:38,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:38,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:38,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:38,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:38,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:38,245 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:38,245 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:38,246 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:38,247 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:38,248 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:38,248 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:38,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:38,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:38,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:38,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:38,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:38,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:38,253 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:38,254 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:14:38,254 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:14:38,255 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:14:38,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:14:38,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:38,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:38,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:38,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:14:38,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:38,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:38,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:38,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:38,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:38,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:38,260 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:14:38,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:38,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:38,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:38,262 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:38,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:38,263 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_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97a5d183abfc098a16f6d10b9cfbbebcb6580c7a793e75f58c612415662c2d5 [2023-11-24 23:14:38,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:38,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:38,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:38,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:38,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:38,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_31_bad.i [2023-11-24 23:14:41,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:42,306 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:42,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_31_bad.i [2023-11-24 23:14:42,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data/75e6c9029/b8418fbda6e1438d85d16f7d93c6eb21/FLAG8fbe5ec90 [2023-11-24 23:14:42,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/data/75e6c9029/b8418fbda6e1438d85d16f7d93c6eb21 [2023-11-24 23:14:42,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:42,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:42,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:42,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:42,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:42,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6258768f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42, skipping insertion in model container [2023-11-24 23:14:42,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,458 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:44,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:44,061 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:44,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:44,332 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:44,332 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:44,332 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:44,332 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:44,341 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:44,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44 WrapperNode [2023-11-24 23:14:44,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:44,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:44,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:44,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:44,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,426 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-24 23:14:44,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:44,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:44,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:44,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:44,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:44,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:44,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:44,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:44,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (1/1) ... [2023-11-24 23:14:44,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:44,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:44,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:44,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:14:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:14:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:14:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:44,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:14:44,777 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:44,780 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:44,966 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:45,048 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:45,049 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:14:45,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:45 BoogieIcfgContainer [2023-11-24 23:14:45,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:45,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:45,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:45,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:45,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:42" (1/3) ... [2023-11-24 23:14:45,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f7a1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:45, skipping insertion in model container [2023-11-24 23:14:45,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:44" (2/3) ... [2023-11-24 23:14:45,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f7a1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:45, skipping insertion in model container [2023-11-24 23:14:45,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:45" (3/3) ... [2023-11-24 23:14:45,065 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_31_bad.i [2023-11-24 23:14:45,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:45,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:14:45,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:45,155 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;@de23f90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:45,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:14:45,164 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) [2023-11-24 23:14:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:14:45,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:45,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:45,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:14:45,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:45,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1591263136, now seen corresponding path program 1 times [2023-11-24 23:14:45,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:45,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170552406] [2023-11-24 23:14:45,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:45,219 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 [2023-11-24 23:14:45,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:45,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:14:45,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:14:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:45,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:14:45,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:45,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:45,438 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:45,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170552406] [2023-11-24 23:14:45,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170552406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:45,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:45,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 23:14:45,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644403288] [2023-11-24 23:14:45,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:45,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:14:45,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:45,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:14:45,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:14:45,509 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 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-24 23:14:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:45,541 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-24 23:14:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:14:45,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2023-11-24 23:14:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:45,551 INFO L225 Difference]: With dead ends: 16 [2023-11-24 23:14:45,551 INFO L226 Difference]: Without dead ends: 12 [2023-11-24 23:14:45,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:14:45,559 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:45,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:14:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-24 23:14:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-24 23:14:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2023-11-24 23:14:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2023-11-24 23:14:45,597 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2023-11-24 23:14:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:45,598 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2023-11-24 23:14:45,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-24 23:14:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-24 23:14:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:14:45,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:45,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:45,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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)] Ended with exit code 0 [2023-11-24 23:14:45,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:14:45,803 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:14:45,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:45,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2084516907, now seen corresponding path program 1 times [2023-11-24 23:14:45,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:45,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307433348] [2023-11-24 23:14:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:45,805 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 [2023-11-24 23:14:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:45,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:14:45,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:14:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:45,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:45,989 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:14:45,989 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:45,991 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:14:45,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:14:45,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:14:46,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:14:46,202 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:14:46,205 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:46,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 23:14:46,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-24 23:14:46,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-24 23:14:46,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-24 23:14:46,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-24 23:14:46,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-24 23:14:46,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:46 BoogieIcfgContainer [2023-11-24 23:14:46,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:46,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:46,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:46,252 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:46,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:45" (3/4) ... [2023-11-24 23:14:46,255 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:14:46,256 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:46,257 INFO L158 Benchmark]: Toolchain (without parser) took 3900.97ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 58.2MB in the beginning and 60.3MB in the end (delta: -2.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,258 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.3MB in the end (delta: 143.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1985.02ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 58.0MB in the beginning and 77.6MB in the end (delta: -19.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.22ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 74.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,260 INFO L158 Benchmark]: Boogie Preprocessor took 47.88ms. Allocated memory is still 121.6MB. Free memory was 74.8MB in the beginning and 72.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,261 INFO L158 Benchmark]: RCFGBuilder took 572.95ms. Allocated memory is still 121.6MB. Free memory was 72.8MB in the beginning and 91.1MB in the end (delta: -18.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,262 INFO L158 Benchmark]: TraceAbstraction took 1199.09ms. Allocated memory is still 121.6MB. Free memory was 90.3MB in the beginning and 60.3MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,262 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 121.6MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:46,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.3MB in the end (delta: 143.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1985.02ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 58.0MB in the beginning and 77.6MB in the end (delta: -19.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.22ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 74.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.88ms. Allocated memory is still 121.6MB. Free memory was 74.8MB in the beginning and 72.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.95ms. Allocated memory is still 121.6MB. Free memory was 72.8MB in the beginning and 91.1MB in the end (delta: -18.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1199.09ms. Allocated memory is still 121.6MB. Free memory was 90.3MB in the beginning and 60.3MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 121.6MB. Free memory is still 60.3MB. 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~nondet105 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - 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: 1557]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE190_Integer_Overflow__int_rand_add_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, dataCopy=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data=2147483647, dataCopy=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1557]: 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:14:46,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf68a14a-5f61-4276-8cba-d8528b1fdb82/bin/utaipan-verify-SwPr7d2a91/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 Result: UNKNOWN: Overapproximated counterexample