/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt7.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 05:13:58,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 05:13:58,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 05:13:58,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 05:13:58,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 05:13:58,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 05:13:58,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 05:13:58,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 05:13:58,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 05:13:58,137 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 05:13:58,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 05:13:58,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 05:13:58,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 05:13:58,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 05:13:58,139 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 05:13:58,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 05:13:58,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 05:13:58,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 05:13:58,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 05:13:58,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 05:13:58,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 05:13:58,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 05:13:58,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 05:13:58,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 05:13:58,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 05:13:58,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 05:13:58,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 05:13:58,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 05:13:58,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 05:13:58,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 05:13:58,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 05:13:58,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 05:13:58,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 05:13:58,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 05:13:58,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 05:13:58,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 05:13:58,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 05:13:58,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 05:13:58,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 05:13:58,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 05:13:58,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 05:13:58,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 05:13:58,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 05:13:58,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 05:13:58,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 05:13:58,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 05:13:58,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 05:13:58,334 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 05:13:58,334 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 05:13:58,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt7.c [2023-12-21 05:13:59,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 05:13:59,479 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 05:13:59,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt7.c [2023-12-21 05:13:59,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739081c28/1542f27557014007bc72b3d127af3038/FLAG984b38102 [2023-12-21 05:13:59,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739081c28/1542f27557014007bc72b3d127af3038 [2023-12-21 05:13:59,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 05:13:59,505 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 05:13:59,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 05:13:59,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 05:13:59,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 05:13:59,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24615477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59, skipping insertion in model container [2023-12-21 05:13:59,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 05:13:59,625 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt7.c[403,416] [2023-12-21 05:13:59,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 05:13:59,641 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 05:13:59,650 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt7.c[403,416] [2023-12-21 05:13:59,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 05:13:59,662 INFO L206 MainTranslator]: Completed translation [2023-12-21 05:13:59,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59 WrapperNode [2023-12-21 05:13:59,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 05:13:59,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 05:13:59,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 05:13:59,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 05:13:59,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,689 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-12-21 05:13:59,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 05:13:59,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 05:13:59,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 05:13:59,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 05:13:59,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,705 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,718 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2023-12-21 05:13:59,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 05:13:59,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 05:13:59,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 05:13:59,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 05:13:59,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (1/1) ... [2023-12-21 05:13:59,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 05:13:59,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:13:59,750 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) [2023-12-21 05:13:59,796 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 [2023-12-21 05:13:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 05:13:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 05:13:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 05:13:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 05:13:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 05:13:59,847 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 05:13:59,849 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 05:13:59,955 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 05:13:59,971 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 05:13:59,971 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 05:13:59,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:13:59 BoogieIcfgContainer [2023-12-21 05:13:59,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 05:13:59,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 05:13:59,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 05:13:59,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 05:13:59,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:13:59" (1/3) ... [2023-12-21 05:13:59,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9ea18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:13:59, skipping insertion in model container [2023-12-21 05:13:59,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:13:59" (2/3) ... [2023-12-21 05:13:59,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9ea18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:13:59, skipping insertion in model container [2023-12-21 05:13:59,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:13:59" (3/3) ... [2023-12-21 05:13:59,976 INFO L112 eAbstractionObserver]: Analyzing ICFG sumt7.c [2023-12-21 05:13:59,987 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 05:13:59,987 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 05:14:00,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 05:14:00,023 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@55668599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 05:14:00,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 05:14:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 16 states have internal predecessors, (26), 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) [2023-12-21 05:14:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-21 05:14:00,031 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 05:14:00,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-21 05:14:00,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 05:14:00,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 05:14:00,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1291809002, now seen corresponding path program 1 times [2023-12-21 05:14:00,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 05:14:00,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511342472] [2023-12-21 05:14:00,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:14:00,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 05:14:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 05:14:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 05:14:00,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 05:14:00,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511342472] [2023-12-21 05:14:00,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511342472] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 05:14:00,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 05:14:00,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 05:14:00,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29162126] [2023-12-21 05:14:00,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 05:14:00,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 05:14:00,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 05:14:00,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 05:14:00,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 05:14:00,652 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 16 states have internal predecessors, (26), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-12-21 05:14:00,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 05:14:00,730 INFO L93 Difference]: Finished difference Result 38 states and 59 transitions. [2023-12-21 05:14:00,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 05:14:00,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2023-12-21 05:14:00,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 05:14:00,743 INFO L225 Difference]: With dead ends: 38 [2023-12-21 05:14:00,743 INFO L226 Difference]: Without dead ends: 18 [2023-12-21 05:14:00,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 05:14:00,748 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 05:14:00,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 42 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 05:14:00,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-12-21 05:14:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-12-21 05:14:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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) [2023-12-21 05:14:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-12-21 05:14:00,778 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 7 [2023-12-21 05:14:00,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 05:14:00,778 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-12-21 05:14:00,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-12-21 05:14:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-21 05:14:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-21 05:14:00,779 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 05:14:00,779 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-12-21 05:14:00,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 05:14:00,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 05:14:00,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 05:14:00,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1139039484, now seen corresponding path program 1 times [2023-12-21 05:14:00,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 05:14:00,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146635830] [2023-12-21 05:14:00,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:14:00,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 05:14:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 05:14:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 05:14:01,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 05:14:01,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146635830] [2023-12-21 05:14:01,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146635830] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 05:14:01,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497601097] [2023-12-21 05:14:01,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:14:01,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:14:01,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:14:01,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 05:14:01,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 05:14:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 05:14:01,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-21 05:14:01,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 05:14:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 05:14:01,414 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 05:14:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-21 05:14:01,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497601097] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 05:14:01,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 05:14:01,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 12 [2023-12-21 05:14:01,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151696038] [2023-12-21 05:14:01,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 05:14:01,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-21 05:14:01,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 05:14:01,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-21 05:14:01,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-21 05:14:01,507 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 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) [2023-12-21 05:14:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 05:14:01,749 INFO L93 Difference]: Finished difference Result 37 states and 56 transitions. [2023-12-21 05:14:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 05:14:01,749 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 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 12 [2023-12-21 05:14:01,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 05:14:01,749 INFO L225 Difference]: With dead ends: 37 [2023-12-21 05:14:01,749 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 05:14:01,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-12-21 05:14:01,751 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 28 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 05:14:01,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 6 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 05:14:01,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 05:14:01,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 05:14:01,752 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) [2023-12-21 05:14:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 05:14:01,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-12-21 05:14:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 05:14:01,752 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 05:14:01,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 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) [2023-12-21 05:14:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 05:14:01,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 05:14:01,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 05:14:01,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 05:14:01,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:14:01,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 05:14:01,990 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2023-12-21 05:14:01,991 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 36) no Hoare annotation was computed. [2023-12-21 05:14:01,991 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 36) no Hoare annotation was computed. [2023-12-21 05:14:01,991 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 16 41) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 36) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 23 36) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 36) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 36) no Hoare annotation was computed. [2023-12-21 05:14:01,992 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 39) the Hoare annotation is: (= (mod (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1| 1) 4294967296) (mod (+ |ULTIMATE.start_main_~l~0#1| 1) 4294967296)) [2023-12-21 05:14:01,993 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 39) no Hoare annotation was computed. [2023-12-21 05:14:01,995 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 05:14:01,995 INFO L899 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2023-12-21 05:14:01,995 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 13) no Hoare annotation was computed. [2023-12-21 05:14:01,995 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2023-12-21 05:14:01,998 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-21 05:14:01,999 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 05:14:02,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 05:14:02 BoogieIcfgContainer [2023-12-21 05:14:02,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 05:14:02,013 INFO L158 Benchmark]: Toolchain (without parser) took 2504.50ms. Allocated memory was 192.9MB in the beginning and 280.0MB in the end (delta: 87.0MB). Free memory was 153.2MB in the beginning and 90.0MB in the end (delta: 63.1MB). Peak memory consumption was 151.5MB. Max. memory is 8.0GB. [2023-12-21 05:14:02,015 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 192.9MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 05:14:02,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.67ms. Allocated memory is still 192.9MB. Free memory was 152.9MB in the beginning and 141.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 05:14:02,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.91ms. Allocated memory is still 192.9MB. Free memory was 141.0MB in the beginning and 139.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-21 05:14:02,019 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 192.9MB. Free memory was 139.5MB in the beginning and 137.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 05:14:02,019 INFO L158 Benchmark]: RCFGBuilder took 241.36ms. Allocated memory is still 192.9MB. Free memory was 137.8MB in the beginning and 125.7MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 05:14:02,019 INFO L158 Benchmark]: TraceAbstraction took 2036.16ms. Allocated memory was 192.9MB in the beginning and 280.0MB in the end (delta: 87.0MB). Free memory was 124.9MB in the beginning and 90.0MB in the end (delta: 34.8MB). Peak memory consumption was 123.2MB. Max. memory is 8.0GB. [2023-12-21 05:14:02,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 192.9MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 156.67ms. Allocated memory is still 192.9MB. Free memory was 152.9MB in the beginning and 141.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.91ms. Allocated memory is still 192.9MB. Free memory was 141.0MB in the beginning and 139.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 192.9MB. Free memory was 139.5MB in the beginning and 137.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 241.36ms. Allocated memory is still 192.9MB. Free memory was 137.8MB in the beginning and 125.7MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2036.16ms. Allocated memory was 192.9MB in the beginning and 280.0MB in the end (delta: 87.0MB). Free memory was 124.9MB in the beginning and 90.0MB in the end (delta: 34.8MB). Peak memory consumption was 123.2MB. Max. memory is 8.0GB. * 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: 10]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 18 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=1, InterpolantAutomatonStates: 16, 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: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 4 NumberOfFragments, 17 HoareAnnotationTreeSize, 1 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 660 SizeOfPredicates, 9 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 5/12 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 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((((((v1 + v2) + v3) + v4) + i) + j) + k) + 1) % 4294967296) == ((l + 1) % 4294967296)) RESULT: Ultimate proved your program to be correct! [2023-12-21 05:14:02,045 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...