./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:39:52,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:39:52,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 18:39:52,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:39:52,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:39:52,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:39:52,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:39:52,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:39:52,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:39:52,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:39:52,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:39:52,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:39:52,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:39:52,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:39:52,586 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:39:52,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:39:52,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:39:52,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:39:52,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:39:52,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:39:52,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:39:52,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:39:52,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:39:52,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:39:52,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:39:52,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:39:52,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:39:52,593 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:39:52,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:39:52,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:39:52,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:39:52,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:39:52,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:39:52,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:39:52,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:39:52,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:39:52,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:39:52,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:39:52,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:39:52,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:39:52,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:39:52,600 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2024-11-10 18:39:52,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:39:52,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:39:52,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:39:52,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:39:52,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:39:52,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-10 18:39:54,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:39:54,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:39:54,551 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-10 18:39:54,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2092893/4d6f4f45118a4765b9f2dc0c82f8293a/FLAG24d8cec68 [2024-11-10 18:39:54,575 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2092893/4d6f4f45118a4765b9f2dc0c82f8293a [2024-11-10 18:39:54,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:39:54,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:39:54,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:39:54,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:39:54,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:39:54,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0e4940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54, skipping insertion in model container [2024-11-10 18:39:54,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:39:54,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:39:54,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:39:54,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:39:54,818 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:39:54,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54 WrapperNode [2024-11-10 18:39:54,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:39:54,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:39:54,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:39:54,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:39:54,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,883 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-10 18:39:54,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:39:54,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:39:54,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:39:54,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:39:54,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,895 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,901 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 18:39:54,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:39:54,911 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:39:54,913 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:39:54,913 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:39:54,914 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (1/1) ... [2024-11-10 18:39:54,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:39:54,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:39:54,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:39:54,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:39:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-11-10 18:39:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-11-10 18:39:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:39:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:39:55,067 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:39:55,068 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:39:55,147 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-10 18:39:55,148 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:39:55,158 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:39:55,159 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:39:55,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:39:55 BoogieIcfgContainer [2024-11-10 18:39:55,160 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:39:55,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:39:55,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:39:55,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:39:55,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:39:54" (1/3) ... [2024-11-10 18:39:55,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8d1851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:39:55, skipping insertion in model container [2024-11-10 18:39:55,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:39:54" (2/3) ... [2024-11-10 18:39:55,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8d1851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:39:55, skipping insertion in model container [2024-11-10 18:39:55,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:39:55" (3/3) ... [2024-11-10 18:39:55,169 INFO L112 eAbstractionObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-10 18:39:55,182 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:39:55,182 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 18:39:55,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:39:55,234 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=PETRI_NET, 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;@76bfe0cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:39:55,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 18:39:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:39:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:39:55,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:39:55,247 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:39:55,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 18:39:55,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:39:55,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1533403178, now seen corresponding path program 1 times [2024-11-10 18:39:55,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:39:55,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023347311] [2024-11-10 18:39:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:39:55,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:39:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:39:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:39:55,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:39:55,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023347311] [2024-11-10 18:39:55,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023347311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:39:55,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:39:55,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:39:55,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443388566] [2024-11-10 18:39:55,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:39:55,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:39:55,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:39:55,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:39:55,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:39:55,508 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:39:55,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:39:55,558 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2024-11-10 18:39:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:39:55,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 18:39:55,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:39:55,569 INFO L225 Difference]: With dead ends: 23 [2024-11-10 18:39:55,569 INFO L226 Difference]: Without dead ends: 14 [2024-11-10 18:39:55,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:39:55,574 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:39:55,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 37 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:39:55,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-10 18:39:55,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-10 18:39:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:39:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-11-10 18:39:55,605 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 8 [2024-11-10 18:39:55,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:39:55,605 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-10 18:39:55,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:39:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-10 18:39:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:39:55,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:39:55,606 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:39:55,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:39:55,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 18:39:55,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:39:55,608 INFO L85 PathProgramCache]: Analyzing trace with hash 290858233, now seen corresponding path program 1 times [2024-11-10 18:39:55,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:39:55,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045486525] [2024-11-10 18:39:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:39:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:39:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:39:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:39:55,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:39:55,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045486525] [2024-11-10 18:39:55,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045486525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:39:55,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:39:55,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:39:55,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484101671] [2024-11-10 18:39:55,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:39:55,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:39:55,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:39:55,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:39:55,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:39:55,696 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:39:55,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:39:55,734 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2024-11-10 18:39:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:39:55,736 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-10 18:39:55,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:39:55,736 INFO L225 Difference]: With dead ends: 14 [2024-11-10 18:39:55,736 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:39:55,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:39:55,738 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:39:55,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 20 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:39:55,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:39:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:39:55,742 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) [2024-11-10 18:39:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:39:55,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2024-11-10 18:39:55,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:39:55,743 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:39:55,743 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:39:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:39:55,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:39:55,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 18:39:55,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 18:39:55,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:39:55,751 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 18:39:55,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:39:55,843 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:39:55,880 WARN L156 FloydHoareUtils]: Requires clause for foo contained old-variable. Original clause: (and (<= 1 |old(~x~0)|) (<= |old(~x~0)| 2147483647) (<= 1 ~x~0) (<= ~x~0 2147483647)) Eliminated clause: (and (<= 1 ~x~0) (<= ~x~0 2147483647)) [2024-11-10 18:39:55,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:39:55 BoogieIcfgContainer [2024-11-10 18:39:55,894 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:39:55,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:39:55,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:39:55,897 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:39:55,898 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:39:55" (3/4) ... [2024-11-10 18:39:55,901 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:39:55,904 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure foo [2024-11-10 18:39:55,908 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-10 18:39:55,908 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:39:55,908 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 18:39:56,001 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:39:56,001 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:39:56,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:39:56,002 INFO L158 Benchmark]: Toolchain (without parser) took 1420.66ms. Allocated memory is still 159.4MB. Free memory was 89.6MB in the beginning and 78.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-10 18:39:56,002 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:39:56,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.68ms. Allocated memory is still 159.4MB. Free memory was 89.5MB in the beginning and 78.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 18:39:56,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.62ms. Allocated memory is still 159.4MB. Free memory was 78.1MB in the beginning and 130.8MB in the end (delta: -52.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-10 18:39:56,005 INFO L158 Benchmark]: Boogie Preprocessor took 25.55ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 129.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:39:56,005 INFO L158 Benchmark]: IcfgBuilder took 248.59ms. Allocated memory is still 159.4MB. Free memory was 129.6MB in the beginning and 120.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 18:39:56,005 INFO L158 Benchmark]: TraceAbstraction took 732.66ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 82.9MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-10 18:39:56,005 INFO L158 Benchmark]: Witness Printer took 105.11ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 78.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:39:56,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.68ms. Allocated memory is still 159.4MB. Free memory was 89.5MB in the beginning and 78.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.62ms. Allocated memory is still 159.4MB. Free memory was 78.1MB in the beginning and 130.8MB in the end (delta: -52.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.55ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 129.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 248.59ms. Allocated memory is still 159.4MB. Free memory was 129.6MB in the beginning and 120.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 732.66ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 82.9MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 105.11ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 78.7MB 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 25 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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 - InvariantResult [Line: 22]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 14]: Procedure Contract for foo Derived contract for procedure foo. Requires: ((1 <= x) && (x <= 2147483647)) Ensures: (((1 <= \old(x)) && (\old(x) <= 2147483647)) && (x <= 2147483647)) RESULT: Ultimate proved your program to be correct! [2024-11-10 18:39:56,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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