/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:48:22,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:48:22,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 04:48:22,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:48:22,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:48:22,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:48:22,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:48:22,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:48:22,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:48:22,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:48:22,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:48:22,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:48:22,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:48:22,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:48:22,634 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:48:22,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:48:22,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:48:22,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:48:22,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:48:22,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:48:22,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:48:22,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:48:22,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:48:22,636 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:48:22,636 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:48:22,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:48:22,636 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:48:22,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:48:22,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:48:22,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:48:22,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:48:22,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:48:22,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:48:22,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:48:22,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:48:22,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:48:22,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:48:22,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:48:22,638 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:48:22,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:48:22,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:48:22,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:48:22,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:48:22,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:48:22,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:22,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:48:22,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:48:22,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:48:22,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:48:22,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:48:22,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-2.i [2024-11-03 04:48:24,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:48:24,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:48:24,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-2.i [2024-11-03 04:48:24,254 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e41c9a4a/9f7058c89c7d4942be21744473650474/FLAGb6a2580e8 [2024-11-03 04:48:24,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e41c9a4a/9f7058c89c7d4942be21744473650474 [2024-11-03 04:48:24,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:48:24,663 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:48:24,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:48:24,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:48:24,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:48:24,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1ae0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24, skipping insertion in model container [2024-11-03 04:48:24,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:48:24,806 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-2.i[914,927] [2024-11-03 04:48:24,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:48:24,835 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:48:24,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-2.i[914,927] [2024-11-03 04:48:24,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:48:24,872 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:48:24,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24 WrapperNode [2024-11-03 04:48:24,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:48:24,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:48:24,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:48:24,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:48:24,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,902 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-03 04:48:24,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:48:24,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:48:24,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:48:24,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:48:24,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,932 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 04:48:24,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:48:24,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:48:24,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:48:24,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:48:24,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (1/1) ... [2024-11-03 04:48:24,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:48:24,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:48:24,967 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) [2024-11-03 04:48:24,969 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 [2024-11-03 04:48:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:48:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:48:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:48:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:48:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:48:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:48:25,044 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:48:25,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:48:25,190 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 04:48:25,190 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:48:25,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:48:25,202 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:48:25,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:48:25 BoogieIcfgContainer [2024-11-03 04:48:25,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:48:25,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:48:25,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:48:25,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:48:25,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:48:24" (1/3) ... [2024-11-03 04:48:25,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be48acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:48:25, skipping insertion in model container [2024-11-03 04:48:25,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:24" (2/3) ... [2024-11-03 04:48:25,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be48acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:48:25, skipping insertion in model container [2024-11-03 04:48:25,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:48:25" (3/3) ... [2024-11-03 04:48:25,210 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-2.i [2024-11-03 04:48:25,221 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:48:25,221 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:48:25,261 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:48:25,265 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;@316bebe0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:48:25,266 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:48:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 04:48:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-03 04:48:25,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:48:25,275 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:48:25,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:48:25,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:48:25,280 INFO L85 PathProgramCache]: Analyzing trace with hash -927168940, now seen corresponding path program 1 times [2024-11-03 04:48:25,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:48:25,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836358388] [2024-11-03 04:48:25,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:48:25,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:25,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:48:25,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 04:48:25,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 04:48:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:48:25,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-03 04:48:25,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:48:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:48:26,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:48:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:48:26,686 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:48:26,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836358388] [2024-11-03 04:48:26,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1836358388] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:48:26,687 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:48:26,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2024-11-03 04:48:26,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674596979] [2024-11-03 04:48:26,690 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:48:26,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 04:48:26,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:48:26,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 04:48:26,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-03 04:48:26,720 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 04:48:27,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:48:27,416 INFO L93 Difference]: Finished difference Result 118 states and 195 transitions. [2024-11-03 04:48:27,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 04:48:27,422 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 65 [2024-11-03 04:48:27,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:48:27,428 INFO L225 Difference]: With dead ends: 118 [2024-11-03 04:48:27,428 INFO L226 Difference]: Without dead ends: 86 [2024-11-03 04:48:27,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-03 04:48:27,432 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 70 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 04:48:27,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 378 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 04:48:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-03 04:48:27,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 75. [2024-11-03 04:48:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-03 04:48:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2024-11-03 04:48:27,473 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 65 [2024-11-03 04:48:27,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:48:27,474 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2024-11-03 04:48:27,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 04:48:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2024-11-03 04:48:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-03 04:48:27,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:48:27,476 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:48:27,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 04:48:27,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:27,678 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:48:27,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:48:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash -925321898, now seen corresponding path program 1 times [2024-11-03 04:48:27,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:48:27,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71192020] [2024-11-03 04:48:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:48:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:48:27,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 04:48:27,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 04:48:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:48:27,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-03 04:48:27,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:48:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:48:28,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:48:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:48:28,932 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:48:28,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71192020] [2024-11-03 04:48:28,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [71192020] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:48:28,933 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:48:28,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2024-11-03 04:48:28,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552155916] [2024-11-03 04:48:28,933 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:48:28,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 04:48:28,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:48:28,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 04:48:28,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-03 04:48:28,935 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 04:48:29,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:48:29,532 INFO L93 Difference]: Finished difference Result 80 states and 103 transitions. [2024-11-03 04:48:29,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 04:48:29,533 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 65 [2024-11-03 04:48:29,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:48:29,534 INFO L225 Difference]: With dead ends: 80 [2024-11-03 04:48:29,534 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 04:48:29,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-03 04:48:29,536 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 18 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 04:48:29,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 211 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 04:48:29,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 04:48:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 04:48:29,537 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) [2024-11-03 04:48:29,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 04:48:29,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-11-03 04:48:29,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:48:29,539 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 04:48:29,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 04:48:29,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 04:48:29,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 04:48:29,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 04:48:29,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 04:48:29,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:29,746 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-03 04:48:29,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 04:48:29,821 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 04:48:29,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:48:29 BoogieIcfgContainer [2024-11-03 04:48:29,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 04:48:29,840 INFO L158 Benchmark]: Toolchain (without parser) took 5176.63ms. Allocated memory was 334.5MB in the beginning and 401.6MB in the end (delta: 67.1MB). Free memory was 294.6MB in the beginning and 281.9MB in the end (delta: 12.7MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2024-11-03 04:48:29,840 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 202.4MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:48:29,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.90ms. Allocated memory is still 334.5MB. Free memory was 294.2MB in the beginning and 280.8MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 04:48:29,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.18ms. Allocated memory is still 334.5MB. Free memory was 280.8MB in the beginning and 278.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:48:29,841 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 334.5MB. Free memory was 278.8MB in the beginning and 276.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:48:29,841 INFO L158 Benchmark]: RCFGBuilder took 258.30ms. Allocated memory is still 334.5MB. Free memory was 276.7MB in the beginning and 264.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 04:48:29,841 INFO L158 Benchmark]: TraceAbstraction took 4633.74ms. Allocated memory was 334.5MB in the beginning and 401.6MB in the end (delta: 67.1MB). Free memory was 263.5MB in the beginning and 281.9MB in the end (delta: -18.3MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2024-11-03 04:48:29,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 202.4MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 208.90ms. Allocated memory is still 334.5MB. Free memory was 294.2MB in the beginning and 280.8MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.18ms. Allocated memory is still 334.5MB. Free memory was 280.8MB in the beginning and 278.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 334.5MB. Free memory was 278.8MB in the beginning and 276.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 258.30ms. Allocated memory is still 334.5MB. Free memory was 276.7MB in the beginning and 264.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4633.74ms. Allocated memory was 334.5MB in the beginning and 401.6MB in the end (delta: 67.1MB). Free memory was 263.5MB in the beginning and 281.9MB in the end (delta: -18.3MB). Peak memory consumption was 50.3MB. 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: 19]: 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 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 589 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 488 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 259 IncrementalHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 101 mSDtfsCounter, 259 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=1, InterpolantAutomatonStates: 22, 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, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 1384 SizeOfPredicates, 56 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 720/720 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: 66]: Loop Invariant Derived loop invariant: ((var_1_6 == var_1_9) || ((((-128 + last_1_var_1_1) % 256) == 0) && (var_1_1 == -128))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (last_1_var_1_1 == \old(last_1_var_1_1))) RESULT: Ultimate proved your program to be correct! [2024-11-03 04:48:29,870 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...