/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-7.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:50:35,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:50:35,199 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 04:50:35,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:50:35,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:50:35,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:50:35,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:50:35,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:50:35,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:50:35,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:50:35,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:50:35,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:50:35,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:50:35,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:50:35,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:50:35,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:50:35,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:50:35,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:50:35,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:50:35,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:50:35,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:50:35,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:50:35,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:50:35,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:50:35,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:50:35,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:50:35,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:50:35,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:50:35,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:50:35,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:50:35,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:50:35,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:50:35,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:50:35,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:50:35,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:50:35,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:50:35,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:50:35,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:50:35,249 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:50:35,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:50:35,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:50:35,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:50:35,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:50:35,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:50:35,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:50:35,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:50:35,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:50:35,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:50:35,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:50:35,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:50:35,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-7.i [2024-11-03 04:50:36,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:50:37,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:50:37,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-7.i [2024-11-03 04:50:37,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f284dbe/554311ca664f4fbd94fbf286b4349ba9/FLAGb76516e26 [2024-11-03 04:50:37,502 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f284dbe/554311ca664f4fbd94fbf286b4349ba9 [2024-11-03 04:50:37,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:50:37,506 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:50:37,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:50:37,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:50:37,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:50:37,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccf3ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37, skipping insertion in model container [2024-11-03 04:50:37,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:50:37,695 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-7.i[914,927] [2024-11-03 04:50:37,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:50:37,743 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:50:37,753 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-7.i[914,927] [2024-11-03 04:50:37,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:50:37,784 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:50:37,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37 WrapperNode [2024-11-03 04:50:37,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:50:37,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:50:37,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:50:37,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:50:37,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,830 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-11-03 04:50:37,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:50:37,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:50:37,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:50:37,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:50:37,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,857 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 04:50:37,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:50:37,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:50:37,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:50:37,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:50:37,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (1/1) ... [2024-11-03 04:50:37,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:50:37,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:50:37,907 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 04:50:37,913 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 04:50:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:50:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:50:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:50:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:50:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:50:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:50:38,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:50:38,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:50:38,370 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-03 04:50:38,371 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:50:38,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:50:38,383 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:50:38,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:50:38 BoogieIcfgContainer [2024-11-03 04:50:38,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:50:38,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:50:38,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:50:38,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:50:38,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:50:37" (1/3) ... [2024-11-03 04:50:38,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c9fdfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:50:38, skipping insertion in model container [2024-11-03 04:50:38,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:37" (2/3) ... [2024-11-03 04:50:38,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c9fdfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:50:38, skipping insertion in model container [2024-11-03 04:50:38,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:50:38" (3/3) ... [2024-11-03 04:50:38,391 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-7.i [2024-11-03 04:50:38,406 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:50:38,407 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:50:38,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:50:38,460 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;@33359fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:50:38,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:50:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 27 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-03 04:50:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-03 04:50:38,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:50:38,474 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:50:38,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:50:38,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:50:38,478 INFO L85 PathProgramCache]: Analyzing trace with hash -449949024, now seen corresponding path program 1 times [2024-11-03 04:50:38,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:50:38,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283042027] [2024-11-03 04:50:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:50:38,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:50:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:50:38,492 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 04:50:38,494 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 04:50:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:50:38,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-03 04:50:38,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:50:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-03 04:50:39,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:50:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-03 04:50:43,614 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:50:43,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283042027] [2024-11-03 04:50:43,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1283042027] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:50:43,615 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:50:43,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-03 04:50:43,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445169701] [2024-11-03 04:50:43,618 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:50:43,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 04:50:43,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:50:43,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 04:50:43,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-03 04:50:43,649 INFO L87 Difference]: Start difference. First operand has 47 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 27 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-03 04:50:46,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:50:46,713 INFO L93 Difference]: Finished difference Result 95 states and 163 transitions. [2024-11-03 04:50:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-03 04:50:46,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 108 [2024-11-03 04:50:46,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:50:46,728 INFO L225 Difference]: With dead ends: 95 [2024-11-03 04:50:46,728 INFO L226 Difference]: Without dead ends: 51 [2024-11-03 04:50:46,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-03 04:50:46,737 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 15 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-03 04:50:46,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 237 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-03 04:50:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-03 04:50:46,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2024-11-03 04:50:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-03 04:50:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-03 04:50:46,769 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 108 [2024-11-03 04:50:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:50:46,770 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-03 04:50:46,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-03 04:50:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-03 04:50:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-03 04:50:46,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:50:46,773 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:50:46,776 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 04:50:46,973 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 04:50:46,974 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:50:46,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:50:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1299078176, now seen corresponding path program 1 times [2024-11-03 04:50:46,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:50:46,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519236706] [2024-11-03 04:50:46,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:50:46,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:50:46,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:50:46,979 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 04:50:46,980 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 04:50:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:50:47,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-03 04:50:47,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:50:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-03 04:50:48,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:50:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-03 04:50:52,907 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:50:52,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519236706] [2024-11-03 04:50:52,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [519236706] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:50:52,907 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:50:52,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-03 04:50:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827415417] [2024-11-03 04:50:52,908 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:50:52,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 04:50:52,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:50:52,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 04:50:52,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-03 04:50:52,910 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-03 04:50:56,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:50:56,546 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2024-11-03 04:50:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 04:50:56,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 109 [2024-11-03 04:50:56,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:50:56,554 INFO L225 Difference]: With dead ends: 52 [2024-11-03 04:50:56,554 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 04:50:56,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-03 04:50:56,555 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 26 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-03 04:50:56,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 212 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-03 04:50:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 04:50:56,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 04:50:56,556 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 04:50:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 04:50:56,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2024-11-03 04:50:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:50:56,557 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 04:50:56,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-03 04:50:56,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 04:50:56,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 04:50:56,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 04:50:56,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 04:50:56,762 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 04:50:56,765 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-03 04:50:56,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 04:50:57,420 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 04:50:57,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:50:57 BoogieIcfgContainer [2024-11-03 04:50:57,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 04:50:57,443 INFO L158 Benchmark]: Toolchain (without parser) took 19937.15ms. Allocated memory was 328.2MB in the beginning and 426.8MB in the end (delta: 98.6MB). Free memory was 273.9MB in the beginning and 253.4MB in the end (delta: 20.6MB). Peak memory consumption was 120.0MB. Max. memory is 8.0GB. [2024-11-03 04:50:57,443 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 196.1MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:50:57,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.05ms. Allocated memory is still 328.2MB. Free memory was 273.6MB in the beginning and 259.7MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 04:50:57,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.09ms. Allocated memory is still 328.2MB. Free memory was 259.7MB in the beginning and 257.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:50:57,445 INFO L158 Benchmark]: Boogie Preprocessor took 43.35ms. Allocated memory is still 328.2MB. Free memory was 257.9MB in the beginning and 255.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:50:57,445 INFO L158 Benchmark]: RCFGBuilder took 506.50ms. Allocated memory is still 328.2MB. Free memory was 255.8MB in the beginning and 295.2MB in the end (delta: -39.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-03 04:50:57,445 INFO L158 Benchmark]: TraceAbstraction took 19056.78ms. Allocated memory was 328.2MB in the beginning and 426.8MB in the end (delta: 98.6MB). Free memory was 294.7MB in the beginning and 253.4MB in the end (delta: 41.3MB). Peak memory consumption was 139.9MB. Max. memory is 8.0GB. [2024-11-03 04:50:57,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 196.1MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 281.05ms. Allocated memory is still 328.2MB. Free memory was 273.6MB in the beginning and 259.7MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.09ms. Allocated memory is still 328.2MB. Free memory was 259.7MB in the beginning and 257.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.35ms. Allocated memory is still 328.2MB. Free memory was 257.9MB in the beginning and 255.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 506.50ms. Allocated memory is still 328.2MB. Free memory was 255.8MB in the beginning and 295.2MB in the end (delta: -39.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 19056.78ms. Allocated memory was 328.2MB in the beginning and 426.8MB in the end (delta: 98.6MB). Free memory was 294.7MB in the beginning and 253.4MB in the end (delta: 41.3MB). Peak memory consumption was 139.9MB. 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, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.3s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 449 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 113 mSDtfsCounter, 187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 820 SizeOfPredicates, 79 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2448/2448 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: 83]: Loop Invariant Derived loop invariant: ((((!(var_1_2 >= ((var_1_3 / var_1_4) / var_1_5)) || (var_1_1 == var_1_8)) && (!(var_1_2 >= ((var_1_3 / var_1_4) / var_1_5)) || ((var_1_6 == 0) && (var_1_7 == 0)))) && ((var_1_2 >= ((var_1_3 / var_1_4) / var_1_5)) || (var_1_1 == var_1_9))) || (((var_1_1 == 1) && (var_1_2 >= ((var_1_3 / var_1_4) / var_1_5))) && ((var_1_7 != 0) || (var_1_6 != 0)))) - 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))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) RESULT: Ultimate proved your program to be correct! [2024-11-03 04:50:57,477 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...