./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrchr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 312f51ef4503f0fc4b94d177cfa21e5892ce6df837fb8c86c4b09d81ecb9ffbb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:00:10,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:00:10,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 05:00:10,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:00:10,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:00:10,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:00:10,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:00:10,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:00:10,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:00:10,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:00:10,892 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:00:10,893 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:00:10,894 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:00:10,900 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:00:10,901 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:00:10,901 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:00:10,902 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:00:10,902 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:00:10,902 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:00:10,903 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:00:10,904 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:00:10,904 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:00:10,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:00:10,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:00:10,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:00:10,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:00:10,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:00:10,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:00:10,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:00:10,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:00:10,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:00:10,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:00:10,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:00:10,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:00:10,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:00:10,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:00:10,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:00:10,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:10,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:00:10,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:00:10,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:00:10,913 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:00:10,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:00:10,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:00:10,914 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:00:10,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:00:10,915 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 312f51ef4503f0fc4b94d177cfa21e5892ce6df837fb8c86c4b09d81ecb9ffbb [2024-11-09 05:00:11,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:00:11,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:00:11,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:00:11,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:00:11,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:00:11,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/termination-memory-alloca/cstrchr-alloca-1.i Unable to find full path for "g++" [2024-11-09 05:00:13,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:00:13,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:00:13,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/sv-benchmarks/c/termination-memory-alloca/cstrchr-alloca-1.i [2024-11-09 05:00:14,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/data/b8382b588/837c790a38c44c18bd87bffc6d09f6b4/FLAG8853b263f [2024-11-09 05:00:14,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/data/b8382b588/837c790a38c44c18bd87bffc6d09f6b4 [2024-11-09 05:00:14,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:00:14,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:00:14,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:14,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:00:14,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:00:14,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da7be91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14, skipping insertion in model container [2024-11-09 05:00:14,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:00:14,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:14,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:00:14,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:14,673 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:00:14,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14 WrapperNode [2024-11-09 05:00:14,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:14,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:14,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:00:14,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:00:14,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,722 INFO L138 Inliner]: procedures = 111, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2024-11-09 05:00:14,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:14,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:00:14,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:00:14,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:00:14,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:00:14,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:00:14,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:00:14,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:00:14,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (1/1) ... [2024-11-09 05:00:14,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:14,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:14,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:00:14,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:00:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:00:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:00:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:00:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:00:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:00:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:00:14,973 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:00:14,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:00:15,138 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 05:00:15,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:00:15,201 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:00:15,201 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:00:15,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:15 BoogieIcfgContainer [2024-11-09 05:00:15,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:00:15,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:00:15,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:00:15,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:00:15,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:00:14" (1/3) ... [2024-11-09 05:00:15,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1963cf4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:00:15, skipping insertion in model container [2024-11-09 05:00:15,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:14" (2/3) ... [2024-11-09 05:00:15,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1963cf4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:00:15, skipping insertion in model container [2024-11-09 05:00:15,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:15" (3/3) ... [2024-11-09 05:00:15,215 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrchr-alloca-1.i [2024-11-09 05:00:15,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:00:15,240 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:00:15,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:00:15,328 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;@a2f65d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:00:15,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:00:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 8 states have internal predecessors, (10), 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) [2024-11-09 05:00:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 05:00:15,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:15,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1] [2024-11-09 05:00:15,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:00:15,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:15,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2397, now seen corresponding path program 1 times [2024-11-09 05:00:15,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:15,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935448554] [2024-11-09 05:00:15,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:00:15,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:15,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935448554] [2024-11-09 05:00:15,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935448554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:15,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:15,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:00:15,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253192832] [2024-11-09 05:00:15,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:15,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:00:15,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:15,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:00:15,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:00:15,670 INFO L87 Difference]: Start difference. First operand has 9 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 8 states have internal predecessors, (10), 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) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-11-09 05:00:15,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:15,714 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2024-11-09 05:00:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:00:15,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) Word has length 2 [2024-11-09 05:00:15,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:15,734 INFO L225 Difference]: With dead ends: 11 [2024-11-09 05:00:15,734 INFO L226 Difference]: Without dead ends: 4 [2024-11-09 05:00:15,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:00:15,741 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:15,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:00:15,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2024-11-09 05:00:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2024-11-09 05:00:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-09 05:00:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3 transitions. [2024-11-09 05:00:15,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 3 transitions. Word has length 2 [2024-11-09 05:00:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:15,780 INFO L471 AbstractCegarLoop]: Abstraction has 4 states and 3 transitions. [2024-11-09 05:00:15,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-11-09 05:00:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-09 05:00:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:00:15,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:15,782 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:00:15,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:00:15,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:00:15,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:15,784 INFO L85 PathProgramCache]: Analyzing trace with hash 74350, now seen corresponding path program 1 times [2024-11-09 05:00:15,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:15,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805031034] [2024-11-09 05:00:15,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:15,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:00:15,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:15,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805031034] [2024-11-09 05:00:15,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805031034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:15,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:15,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:00:15,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332881762] [2024-11-09 05:00:15,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:15,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:00:15,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:15,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:00:15,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:00:15,921 INFO L87 Difference]: Start difference. First operand 4 states and 3 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-09 05:00:15,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:15,927 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2024-11-09 05:00:15,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:00:15,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2024-11-09 05:00:15,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:15,929 INFO L225 Difference]: With dead ends: 4 [2024-11-09 05:00:15,929 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:00:15,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:00:15,931 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:15,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:00:15,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:00:15,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:00:15,934 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) [2024-11-09 05:00:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:00:15,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2024-11-09 05:00:15,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:15,935 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:00:15,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-09 05:00:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:00:15,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:00:15,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 05:00:15,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 05:00:15,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:00:15,952 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 05:00:15,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:00:15,970 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:00:15,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:00:15 BoogieIcfgContainer [2024-11-09 05:00:15,981 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:00:15,982 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:00:15,983 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:00:15,983 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:00:15,984 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:15" (3/4) ... [2024-11-09 05:00:15,987 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:00:15,996 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 05:00:15,996 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 05:00:15,996 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 05:00:15,997 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:00:16,102 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:00:16,102 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:00:16,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:00:16,104 INFO L158 Benchmark]: Toolchain (without parser) took 2059.38ms. Allocated memory is still 167.8MB. Free memory was 134.2MB in the beginning and 63.0MB in the end (delta: 71.1MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-11-09 05:00:16,104 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:00:16,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.64ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 115.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 05:00:16,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.37ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 113.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:00:16,106 INFO L158 Benchmark]: Boogie Preprocessor took 36.18ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:00:16,107 INFO L158 Benchmark]: RCFGBuilder took 442.00ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 98.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:00:16,108 INFO L158 Benchmark]: TraceAbstraction took 775.63ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 67.9MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 05:00:16,108 INFO L158 Benchmark]: Witness Printer took 120.49ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 63.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:00:16,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.64ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 115.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.37ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 113.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.18ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.00ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 98.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 775.63ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 67.9MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 120.49ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 63.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: 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 1 procedures, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:00:16,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d8d6b2-7acc-4944-8cb2-2537b2d785f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE