./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E --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 32bit --witnessprinter.graph.data.programhash 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:00,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:00,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 02:42:00,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:00,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:00,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:00,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:00,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:00,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:00,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:00,940 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:00,940 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:00,940 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:00,940 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:00,941 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:00,941 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:00,941 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:00,942 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:00,942 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:00,942 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:00,942 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:00,942 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:00,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:00,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:00,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:42:00,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:00,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:42:00,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:00,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:00,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:00,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:00,945 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2024-11-14 02:42:01,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:01,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:01,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:01,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:01,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:01,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i Unable to find full path for "g++" [2024-11-14 02:42:03,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:03,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:03,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2024-11-14 02:42:03,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/data/522784461/d7e67452cfd24772b27de06bc5973373/FLAG084c098da [2024-11-14 02:42:03,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/data/522784461/d7e67452cfd24772b27de06bc5973373 [2024-11-14 02:42:03,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:03,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:03,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:03,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:03,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:03,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:03" (1/1) ... [2024-11-14 02:42:03,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4711d9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:03, skipping insertion in model container [2024-11-14 02:42:03,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:03" (1/1) ... [2024-11-14 02:42:03,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:04,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:04,410 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:04,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:04,524 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:04,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04 WrapperNode [2024-11-14 02:42:04,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:04,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:04,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:04,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:04,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,586 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 50 [2024-11-14 02:42:04,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:04,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:04,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:04,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:04,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:04,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:04,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:04,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:04,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:04,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:04,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:04,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 02:42:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 02:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:42:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:04,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:04,869 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:05,040 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:05,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:05,103 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:05,103 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 02:42:05,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:05 BoogieIcfgContainer [2024-11-14 02:42:05,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:05,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:05,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:05,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:05,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:03" (1/3) ... [2024-11-14 02:42:05,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0092b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:05, skipping insertion in model container [2024-11-14 02:42:05,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (2/3) ... [2024-11-14 02:42:05,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0092b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:05, skipping insertion in model container [2024-11-14 02:42:05,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:05" (3/3) ... [2024-11-14 02:42:05,118 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_2.i [2024-11-14 02:42:05,137 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:05,139 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test18_2.i that has 2 procedures, 25 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2024-11-14 02:42:05,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:05,213 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f961c1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:05,214 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-14 02:42:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 21 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 02:42:05,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:05,226 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:05,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:05,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:05,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2048563531, now seen corresponding path program 1 times [2024-11-14 02:42:05,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:05,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87378483] [2024-11-14 02:42:05,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:05,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 02:42:05,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:05,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87378483] [2024-11-14 02:42:05,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87378483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:05,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:05,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:05,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270319300] [2024-11-14 02:42:05,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:05,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:05,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:05,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:05,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:05,589 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 21 states have internal predecessors, (25), 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 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:05,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:05,648 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2024-11-14 02:42:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:05,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) Word has length 13 [2024-11-14 02:42:05,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:05,655 INFO L225 Difference]: With dead ends: 34 [2024-11-14 02:42:05,656 INFO L226 Difference]: Without dead ends: 29 [2024-11-14 02:42:05,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:05,661 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:05,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-14 02:42:05,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-14 02:42:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 24 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2024-11-14 02:42:05,696 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 13 [2024-11-14 02:42:05,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:05,697 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-11-14 02:42:05,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:05,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-11-14 02:42:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 02:42:05,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:05,699 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:05,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:42:05,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:05,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:05,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2048563585, now seen corresponding path program 1 times [2024-11-14 02:42:05,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:05,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789890401] [2024-11-14 02:42:05,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:05,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 02:42:05,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:05,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789890401] [2024-11-14 02:42:05,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789890401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:05,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:05,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:42:05,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230337703] [2024-11-14 02:42:05,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:05,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:42:05,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:05,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:42:05,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:05,940 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:06,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:06,002 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2024-11-14 02:42:06,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:42:06,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) Word has length 13 [2024-11-14 02:42:06,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:06,004 INFO L225 Difference]: With dead ends: 33 [2024-11-14 02:42:06,004 INFO L226 Difference]: Without dead ends: 31 [2024-11-14 02:42:06,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:06,005 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:06,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 45 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:06,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-14 02:42:06,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-14 02:42:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.380952380952381) internal successors, (29), 26 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-14 02:42:06,011 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 13 [2024-11-14 02:42:06,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:06,011 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-14 02:42:06,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-14 02:42:06,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 02:42:06,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:06,012 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:06,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:42:06,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:06,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:06,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1565914911, now seen corresponding path program 1 times [2024-11-14 02:42:06,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:06,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036481847] [2024-11-14 02:42:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:06,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 02:42:06,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:06,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036481847] [2024-11-14 02:42:06,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036481847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:06,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:06,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:42:06,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786590074] [2024-11-14 02:42:06,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:06,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:42:06,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:06,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:42:06,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:06,121 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:06,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:06,170 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-14 02:42:06,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:42:06,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-14 02:42:06,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:06,172 INFO L225 Difference]: With dead ends: 37 [2024-11-14 02:42:06,172 INFO L226 Difference]: Without dead ends: 29 [2024-11-14 02:42:06,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:06,173 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:06,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:06,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-14 02:42:06,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-14 02:42:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.368421052631579) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2024-11-14 02:42:06,183 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 16 [2024-11-14 02:42:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:06,183 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2024-11-14 02:42:06,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-14 02:42:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 02:42:06,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:06,186 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:06,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:42:06,186 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:06,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:06,187 INFO L85 PathProgramCache]: Analyzing trace with hash -222893694, now seen corresponding path program 1 times [2024-11-14 02:42:06,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:06,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332027010] [2024-11-14 02:42:06,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:06,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:06,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:06,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332027010] [2024-11-14 02:42:06,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332027010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:06,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835012043] [2024-11-14 02:42:06,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:06,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:06,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:06,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:06,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:42:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:06,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:42:06,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:06,648 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:06,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835012043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:06,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 02:42:06,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-14 02:42:06,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780795355] [2024-11-14 02:42:06,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:06,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:42:06,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:06,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:42:06,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:42:06,652 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:06,774 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2024-11-14 02:42:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 02:42:06,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2024-11-14 02:42:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:06,777 INFO L225 Difference]: With dead ends: 29 [2024-11-14 02:42:06,778 INFO L226 Difference]: Without dead ends: 27 [2024-11-14 02:42:06,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:42:06,778 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:06,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:06,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-14 02:42:06,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-14 02:42:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.263157894736842) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-11-14 02:42:06,788 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 21 [2024-11-14 02:42:06,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:06,788 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-14 02:42:06,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-14 02:42:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 02:42:06,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:06,789 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:06,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:42:06,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-14 02:42:06,990 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:06,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:06,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1680230150, now seen corresponding path program 1 times [2024-11-14 02:42:06,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:06,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850636384] [2024-11-14 02:42:06,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:06,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:07,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:07,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850636384] [2024-11-14 02:42:07,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850636384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:07,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932878021] [2024-11-14 02:42:07,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:07,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:07,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:07,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 02:42:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:42:07,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:07,302 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:07,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932878021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:07,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 02:42:07,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-14 02:42:07,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622904235] [2024-11-14 02:42:07,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:07,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:07,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:07,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:07,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:07,304 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 02:42:07,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:07,331 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-11-14 02:42:07,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:07,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-14 02:42:07,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:07,333 INFO L225 Difference]: With dead ends: 27 [2024-11-14 02:42:07,333 INFO L226 Difference]: Without dead ends: 26 [2024-11-14 02:42:07,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:07,334 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:07,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-14 02:42:07,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-14 02:42:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2024-11-14 02:42:07,342 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 22 [2024-11-14 02:42:07,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:07,342 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2024-11-14 02:42:07,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 02:42:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-11-14 02:42:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 02:42:07,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:07,344 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:07,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 02:42:07,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:07,549 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:07,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:07,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1680231816, now seen corresponding path program 1 times [2024-11-14 02:42:07,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:07,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618172603] [2024-11-14 02:42:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:07,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:07,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618172603] [2024-11-14 02:42:07,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618172603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:07,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277925118] [2024-11-14 02:42:07,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:07,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:07,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:07,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 02:42:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:42:07,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:07,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:07,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:08,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277925118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:08,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1293207912] [2024-11-14 02:42:08,057 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2024-11-14 02:42:08,057 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:42:08,061 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:42:08,066 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:42:08,067 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:42:10,309 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 45 for LOIs [2024-11-14 02:42:10,344 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:42:12,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1293207912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:12,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:12,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5, 5, 5] total 21 [2024-11-14 02:42:12,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789832573] [2024-11-14 02:42:12,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:12,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 02:42:12,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:12,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 02:42:12,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2024-11-14 02:42:12,188 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:13,674 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2024-11-14 02:42:13,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 02:42:13,675 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) Word has length 22 [2024-11-14 02:42:13,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:13,676 INFO L225 Difference]: With dead ends: 26 [2024-11-14 02:42:13,676 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 02:42:13,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2024-11-14 02:42:13,678 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:13,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 37 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 1 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 02:42:13,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 02:42:13,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-11-14 02:42:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-14 02:42:13,691 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 22 [2024-11-14 02:42:13,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:13,691 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-14 02:42:13,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-14 02:42:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 02:42:13,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:13,692 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:13,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:13,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 02:42:13,893 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:13,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash -206526584, now seen corresponding path program 1 times [2024-11-14 02:42:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:13,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270474228] [2024-11-14 02:42:13,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:13,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 02:42:13,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:13,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270474228] [2024-11-14 02:42:13,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270474228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:13,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:13,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:13,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165588582] [2024-11-14 02:42:13,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:13,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:13,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:13,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:13,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:13,991 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 02:42:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:14,010 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-14 02:42:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:14,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-14 02:42:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:14,011 INFO L225 Difference]: With dead ends: 23 [2024-11-14 02:42:14,011 INFO L226 Difference]: Without dead ends: 22 [2024-11-14 02:42:14,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:14,012 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:14,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:14,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-14 02:42:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-14 02:42:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 02:42:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-14 02:42:14,021 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 24 [2024-11-14 02:42:14,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:14,021 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-14 02:42:14,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 02:42:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-14 02:42:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 02:42:14,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:14,022 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:14,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 02:42:14,023 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 02:42:14,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash -2107356724, now seen corresponding path program 1 times [2024-11-14 02:42:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:14,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142325842] [2024-11-14 02:42:14,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:14,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:14,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:14,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142325842] [2024-11-14 02:42:14,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142325842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:14,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927423837] [2024-11-14 02:42:14,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:14,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:14,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:14,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 02:42:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:14,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 02:42:14,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:14,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 02:42:14,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927423837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:14,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [907230876] [2024-11-14 02:42:14,415 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2024-11-14 02:42:14,416 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:42:14,416 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:42:14,416 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:42:14,416 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:42:15,423 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 45 for LOIs [2024-11-14 02:42:15,444 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:42:16,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [907230876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:16,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:16,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6, 6, 6] total 24 [2024-11-14 02:42:16,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943650516] [2024-11-14 02:42:16,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:16,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 02:42:16,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:16,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 02:42:16,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2024-11-14 02:42:16,888 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 13 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:17,851 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-11-14 02:42:17,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 02:42:17,852 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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) Word has length 25 [2024-11-14 02:42:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:17,853 INFO L225 Difference]: With dead ends: 22 [2024-11-14 02:42:17,853 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 02:42:17,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2024-11-14 02:42:17,855 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:17,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 20 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:42:17,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 02:42:17,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 02:42:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:42:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 02:42:17,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2024-11-14 02:42:17,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:17,859 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 02:42:17,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 02:42:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 02:42:17,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 02:42:17,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-14 02:42:17,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-14 02:42:17,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-14 02:42:17,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-14 02:42:17,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-14 02:42:17,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-14 02:42:17,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 02:42:18,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 02:42:18,068 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:18,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 02:42:19,416 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:42:19,428 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:42:19,428 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-14 02:42:19,429 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-14 02:42:19,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 02:42:19,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:42:19,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-14 02:42:19,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-14 02:42:19,450 WARN L162 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (let ((.cse3 (= |ldv_malloc_#in~size| 4))) (and (= |old(#length)| |#length|) (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (= |~#ldv_global_msg_list~0.offset| 0)) (.cse2 (= |~#ldv_global_msg_list~0.base| 1))) (or (and (= 40 |ldv_malloc_#in~size|) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2))) (or (let ((.cse4 (select |#memory_$Pointer$.offset| 1)) (.cse5 (select |#memory_$Pointer$.base| 1))) (and (= (select |old(#length)| 1) 8) (= (select .cse4 0) 0) (= (select |old(#valid)| 1) 1) (= (select |old(#valid)| 0) 0) (= (select .cse4 4) 0) (= (select .cse5 0) 1) (= (select .cse5 4) 1))) .cse3) (= |old(#valid)| |#valid|))) Eliminated clause: (let ((.cse3 (= |ldv_malloc_#in~size| 4))) (and (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (= |~#ldv_global_msg_list~0.offset| 0)) (.cse2 (= |~#ldv_global_msg_list~0.base| 1))) (or (and (= 40 |ldv_malloc_#in~size|) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2))) (or (let ((.cse4 (select |#memory_$Pointer$.offset| 1)) (.cse5 (select |#memory_$Pointer$.base| 1))) (and (= (select |#length| 1) 8) (= (select .cse4 0) 0) (= (select .cse4 4) 0) (= (select .cse5 0) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select .cse5 4) 1))) .cse3))) [2024-11-14 02:42:19,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:42:19,490 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-14 02:42:19,490 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-14 02:42:19,491 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:42:19,492 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-14 02:42:19,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-14 02:42:19,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:42:19,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:42:19,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 02:42:19,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 02:42:19,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 02:42:19,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:42:19,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:42:19,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-14 02:42:19,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-14 02:42:19,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:42:19,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-14 02:42:19,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-14 02:42:19,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 02:42:19,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-14 02:42:19,502 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-14 02:42:19,502 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-14 02:42:19,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:42:19 BoogieIcfgContainer [2024-11-14 02:42:19,504 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:42:19,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:42:19,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:42:19,505 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:42:19,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:05" (3/4) ... [2024-11-14 02:42:19,508 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 02:42:19,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-14 02:42:19,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-14 02:42:19,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 02:42:19,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 02:42:19,604 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 02:42:19,605 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 02:42:19,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:42:19,606 INFO L158 Benchmark]: Toolchain (without parser) took 15719.57ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 91.0MB in the beginning and 87.4MB in the end (delta: 3.6MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:19,606 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:19,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.49ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.0MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 02:42:19,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.93ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:19,607 INFO L158 Benchmark]: Boogie Preprocessor took 39.79ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:19,608 INFO L158 Benchmark]: RCFGBuilder took 476.69ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 52.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:19,608 INFO L158 Benchmark]: TraceAbstraction took 14394.92ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 52.3MB in the beginning and 90.8MB in the end (delta: -38.5MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2024-11-14 02:42:19,608 INFO L158 Benchmark]: Witness Printer took 100.48ms. Allocated memory is still 226.5MB. Free memory was 90.8MB in the beginning and 87.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:42:19,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.49ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.0MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.93ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.79ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.69ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 52.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14394.92ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 52.3MB in the beginning and 90.8MB in the end (delta: -38.5MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. * Witness Printer took 100.48ms. Allocated memory is still 226.5MB. Free memory was 90.8MB in the beginning and 87.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * 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 - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 401 IncrementalHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 114 mSDtfsCounter, 401 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 148 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=2, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 484 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 84/122 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: OVERALL_TIME: 3.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 37, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 52, TOOLS_POST_TIME: 1.3s, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME: 0.9s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 92, TOOLS_QUANTIFIERELIM_TIME: 2.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 125, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 1.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 402, DAG_COMPRESSION_RETAINED_NODES: 102, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((j < 0) || ((10 == len) && (j <= 2147483647))) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (((10 == len) && (i == 0)) || (((i <= 2147483647) && (10 == len)) && (1 <= i))) - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: ((40 == size) || (size == 4)) Ensures: (((40 == size) || (size == 4)) && (ldv_global_msg_list == \old(ldv_global_msg_list))) RESULT: Ultimate proved your program to be correct! [2024-11-14 02:42:19,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797a22ce-5614-4c15-b933-b8b6912cccd6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE