/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 'cvc4 --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-75.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 01:09:40,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 01:09:40,595 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 01:09:40,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 01:09:40,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 01:09:40,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 01:09:40,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 01:09:40,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 01:09:40,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 01:09:40,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 01:09:40,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 01:09:40,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 01:09:40,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 01:09:40,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 01:09:40,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 01:09:40,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 01:09:40,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 01:09:40,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 01:09:40,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 01:09:40,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 01:09:40,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 01:09:40,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 01:09:40,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 01:09:40,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 01:09:40,641 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 01:09:40,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 01:09:40,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 01:09:40,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 01:09:40,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 01:09:40,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 01:09:40,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 01:09:40,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 01:09:40,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 01:09:40,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 01:09:40,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:09:40,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 01:09:40,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 01:09:40,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 01:09:40,644 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 01:09:40,645 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:40,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 01:09:40,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 01:09:40,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 01:09:40,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 01:09:40,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:40,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 01:09:40,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 01:09:40,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 01:09:40,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 01:09:40,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 01:09:40,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-75.i [2024-11-03 01:09:42,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 01:09:42,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 01:09:42,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-75.i [2024-11-03 01:09:42,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4aed3b78/27e08ca6b0024c8f9932db1d8981fd67/FLAG1d040d4f7 [2024-11-03 01:09:42,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4aed3b78/27e08ca6b0024c8f9932db1d8981fd67 [2024-11-03 01:09:42,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 01:09:42,475 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 01:09:42,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 01:09:42,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 01:09:42,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 01:09:42,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4a800d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42, skipping insertion in model container [2024-11-03 01:09:42,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 01:09:42,663 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-75.i[915,928] [2024-11-03 01:09:42,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:09:42,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 01:09:42,714 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-75.i[915,928] [2024-11-03 01:09:42,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:09:42,746 INFO L204 MainTranslator]: Completed translation [2024-11-03 01:09:42,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42 WrapperNode [2024-11-03 01:09:42,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 01:09:42,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 01:09:42,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 01:09:42,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 01:09:42,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,779 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-11-03 01:09:42,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 01:09:42,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 01:09:42,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 01:09:42,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 01:09:42,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,806 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 01:09:42,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 01:09:42,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 01:09:42,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 01:09:42,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 01:09:42,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (1/1) ... [2024-11-03 01:09:42,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:09:42,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 01:09:42,861 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 01:09:42,863 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 01:09:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 01:09:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 01:09:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 01:09:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 01:09:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 01:09:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 01:09:42,977 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 01:09:42,980 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 01:09:43,183 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 01:09:43,183 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 01:09:43,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 01:09:43,197 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 01:09:43,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:09:43 BoogieIcfgContainer [2024-11-03 01:09:43,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 01:09:43,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 01:09:43,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 01:09:43,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 01:09:43,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:09:42" (1/3) ... [2024-11-03 01:09:43,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:09:43, skipping insertion in model container [2024-11-03 01:09:43,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:42" (2/3) ... [2024-11-03 01:09:43,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:09:43, skipping insertion in model container [2024-11-03 01:09:43,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:09:43" (3/3) ... [2024-11-03 01:09:43,208 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-75.i [2024-11-03 01:09:43,223 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 01:09:43,224 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 01:09:43,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 01:09:43,299 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;@2d5db271, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 01:09:43,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 01:09:43,303 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 01:09:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-03 01:09:43,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:09:43,316 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 01:09:43,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:09:43,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:09:43,327 INFO L85 PathProgramCache]: Analyzing trace with hash -927168940, now seen corresponding path program 1 times [2024-11-03 01:09:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:09:43,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630963436] [2024-11-03 01:09:43,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:09:43,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:43,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:09:43,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 01:09:43,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 01:09:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:09:43,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-03 01:09:43,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:09:45,474 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 01:09:45,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:09:47,914 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 01:09:47,915 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:09:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630963436] [2024-11-03 01:09:47,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [630963436] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 01:09:47,916 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 01:09:47,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-03 01:09:47,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436743592] [2024-11-03 01:09:47,918 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 01:09:47,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 01:09:47,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:09:47,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 01:09:47,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-03 01:09:47,948 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 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 01:09:48,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:09:48,253 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-03 01:09:48,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 01:09:48,255 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-03 01:09:48,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:09:48,260 INFO L225 Difference]: With dead ends: 69 [2024-11-03 01:09:48,260 INFO L226 Difference]: Without dead ends: 37 [2024-11-03 01:09:48,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-03 01:09:48,266 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 5 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 01:09:48,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 225 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 01:09:48,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-03 01:09:48,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-03 01:09:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 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 01:09:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-11-03 01:09:48,295 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 65 [2024-11-03 01:09:48,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:09:48,296 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-11-03 01:09:48,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 01:09:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-03 01:09:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-03 01:09:48,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:09:48,299 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 01:09:48,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 01:09:48,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:48,500 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:09:48,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:09:48,500 INFO L85 PathProgramCache]: Analyzing trace with hash -925321898, now seen corresponding path program 1 times [2024-11-03 01:09:48,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:09:48,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935154710] [2024-11-03 01:09:48,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:09:48,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:48,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:09:48,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 01:09:48,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 01:09:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:09:48,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-03 01:09:48,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:09:51,159 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 01:09:51,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:09:52,286 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 01:09:52,287 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:09:52,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935154710] [2024-11-03 01:09:52,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1935154710] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 01:09:52,287 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 01:09:52,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-03 01:09:52,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466989114] [2024-11-03 01:09:52,288 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 01:09:52,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 01:09:52,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:09:52,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 01:09:52,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-03 01:09:52,295 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 01:09:52,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:09:52,898 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2024-11-03 01:09:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-03 01:09:52,900 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-03 01:09:52,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:09:52,901 INFO L225 Difference]: With dead ends: 39 [2024-11-03 01:09:52,901 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 01:09:52,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-03 01:09:52,905 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 01:09:52,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 242 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 01:09:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 01:09:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 01:09:52,907 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 01:09:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 01:09:52,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-11-03 01:09:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:09:52,908 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 01:09:52,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 01:09:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 01:09:52,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 01:09:52,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 01:09:52,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 01:09:53,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:53,116 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-03 01:09:53,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 01:09:53,139 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 01:09:53,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:09:53 BoogieIcfgContainer [2024-11-03 01:09:53,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 01:09:53,157 INFO L158 Benchmark]: Toolchain (without parser) took 10681.38ms. Allocated memory was 356.5MB in the beginning and 740.3MB in the end (delta: 383.8MB). Free memory was 306.1MB in the beginning and 585.8MB in the end (delta: -279.7MB). Peak memory consumption was 104.5MB. Max. memory is 8.0GB. [2024-11-03 01:09:53,157 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 199.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 01:09:53,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.11ms. Allocated memory is still 356.5MB. Free memory was 306.1MB in the beginning and 292.4MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 01:09:53,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.35ms. Allocated memory is still 356.5MB. Free memory was 292.4MB in the beginning and 290.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 01:09:53,158 INFO L158 Benchmark]: Boogie Preprocessor took 43.03ms. Allocated memory is still 356.5MB. Free memory was 290.8MB in the beginning and 288.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 01:09:53,159 INFO L158 Benchmark]: RCFGBuilder took 373.94ms. Allocated memory is still 356.5MB. Free memory was 288.3MB in the beginning and 275.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 01:09:53,159 INFO L158 Benchmark]: TraceAbstraction took 9956.39ms. Allocated memory was 356.5MB in the beginning and 740.3MB in the end (delta: 383.8MB). Free memory was 275.3MB in the beginning and 585.8MB in the end (delta: -310.5MB). Peak memory consumption was 74.1MB. Max. memory is 8.0GB. [2024-11-03 01:09:53,161 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 199.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.11ms. Allocated memory is still 356.5MB. Free memory was 306.1MB in the beginning and 292.4MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.35ms. Allocated memory is still 356.5MB. Free memory was 292.4MB in the beginning and 290.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.03ms. Allocated memory is still 356.5MB. Free memory was 290.8MB in the beginning and 288.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 373.94ms. Allocated memory is still 356.5MB. Free memory was 288.3MB in the beginning and 275.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 9956.39ms. Allocated memory was 356.5MB in the beginning and 740.3MB in the end (delta: 383.8MB). Free memory was 275.3MB in the beginning and 585.8MB in the end (delta: -310.5MB). Peak memory consumption was 74.1MB. 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: 9.8s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 467 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 390 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 77 mSDtfsCounter, 170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 256 ConstructedInterpolants, 1 QuantifiedInterpolants, 1056 SizeOfPredicates, 24 NumberOfNonLiveVariables, 218 ConjunctsInSsa, 22 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: 1 - 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_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) RESULT: Ultimate proved your program to be correct! [2024-11-03 01:09:53,202 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...