/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-58.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 01:08:59,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 01:08:59,460 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 01:08:59,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 01:08:59,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 01:08:59,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 01:08:59,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 01:08:59,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 01:08:59,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 01:08:59,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 01:08:59,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 01:08:59,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 01:08:59,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 01:08:59,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 01:08:59,486 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 01:08:59,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 01:08:59,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 01:08:59,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 01:08:59,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 01:08:59,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 01:08:59,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 01:08:59,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 01:08:59,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 01:08:59,492 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 01:08:59,492 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 01:08:59,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 01:08:59,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 01:08:59,493 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 01:08:59,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 01:08:59,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 01:08:59,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 01:08:59,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 01:08:59,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 01:08:59,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 01:08:59,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:08:59,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 01:08:59,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 01:08:59,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 01:08:59,494 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 01:08:59,494 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 01:08:59,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 01:08:59,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 01:08:59,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 01:08:59,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 01:08:59,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-03 01:08:59,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 01:08:59,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 01:08:59,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 01:08:59,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 01:08:59,743 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 01:08:59,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-58.i [2024-11-03 01:09:01,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 01:09:01,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 01:09:01,386 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-58.i [2024-11-03 01:09:01,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fd69dbc/5765605d2e2a45a98c12699d27ce9c2c/FLAG52c7feaa5 [2024-11-03 01:09:01,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fd69dbc/5765605d2e2a45a98c12699d27ce9c2c [2024-11-03 01:09:01,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 01:09:01,415 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 01:09:01,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 01:09:01,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 01:09:01,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 01:09:01,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82f7d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01, skipping insertion in model container [2024-11-03 01:09:01,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 01:09:01,567 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-58.i[915,928] [2024-11-03 01:09:01,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:09:01,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 01:09:01,606 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-58.i[915,928] [2024-11-03 01:09:01,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:09:01,658 INFO L204 MainTranslator]: Completed translation [2024-11-03 01:09:01,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01 WrapperNode [2024-11-03 01:09:01,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 01:09:01,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 01:09:01,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 01:09:01,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 01:09:01,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,695 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-03 01:09:01,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 01:09:01,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 01:09:01,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 01:09:01,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 01:09:01,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,708 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,722 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 01:09:01,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 01:09:01,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 01:09:01,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 01:09:01,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 01:09:01,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (1/1) ... [2024-11-03 01:09:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:09:01,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 01:09:01,777 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 01:09:01,780 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 01:09:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 01:09:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 01:09:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 01:09:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 01:09:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 01:09:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 01:09:01,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 01:09:01,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 01:09:02,001 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 01:09:02,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 01:09:02,014 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 01:09:02,014 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 01:09:02,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:09:02 BoogieIcfgContainer [2024-11-03 01:09:02,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 01:09:02,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 01:09:02,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 01:09:02,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 01:09:02,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:09:01" (1/3) ... [2024-11-03 01:09:02,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0917cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:09:02, skipping insertion in model container [2024-11-03 01:09:02,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:09:01" (2/3) ... [2024-11-03 01:09:02,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0917cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:09:02, skipping insertion in model container [2024-11-03 01:09:02,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:09:02" (3/3) ... [2024-11-03 01:09:02,021 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-58.i [2024-11-03 01:09:02,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 01:09:02,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 01:09:02,077 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 01:09:02,090 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;@6f2b6c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 01:09:02,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 01:09:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-03 01:09:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-03 01:09:02,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:09:02,113 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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 01:09:02,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:09:02,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:09:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash 231146968, now seen corresponding path program 1 times [2024-11-03 01:09:02,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:09:02,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928843684] [2024-11-03 01:09:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:09:02,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:02,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:09:02,149 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 01:09:02,151 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 01:09:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:09:02,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 01:09:02,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:09:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-03 01:09:02,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:09:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-03 01:09:02,404 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:09:02,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928843684] [2024-11-03 01:09:02,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [928843684] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 01:09:02,405 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 01:09:02,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 01:09:02,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186124604] [2024-11-03 01:09:02,407 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 01:09:02,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 01:09:02,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:09:02,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 01:09:02,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 01:09:02,425 INFO L87 Difference]: Start difference. First operand has 45 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-03 01:09:02,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:09:02,442 INFO L93 Difference]: Finished difference Result 83 states and 138 transitions. [2024-11-03 01:09:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 01:09:02,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99 [2024-11-03 01:09:02,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:09:02,449 INFO L225 Difference]: With dead ends: 83 [2024-11-03 01:09:02,449 INFO L226 Difference]: Without dead ends: 41 [2024-11-03 01:09:02,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 01:09:02,453 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 01:09:02,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 01:09:02,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-03 01:09:02,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-03 01:09:02,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-03 01:09:02,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2024-11-03 01:09:02,480 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 99 [2024-11-03 01:09:02,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:09:02,481 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2024-11-03 01:09:02,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-03 01:09:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2024-11-03 01:09:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-03 01:09:02,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:09:02,484 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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 01:09:02,489 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 01:09:02,687 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 01:09:02,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:09:02,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:09:02,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1071897128, now seen corresponding path program 1 times [2024-11-03 01:09:02,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:09:02,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179501348] [2024-11-03 01:09:02,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:09:02,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:09:02,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:09:02,691 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 01:09:02,707 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 01:09:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:09:03,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-03 01:09:03,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:09:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-03 01:09:06,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:09:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-03 01:09:07,474 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:09:07,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179501348] [2024-11-03 01:09:07,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [179501348] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 01:09:07,475 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 01:09:07,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36, 6] imperfect sequences [] total 40 [2024-11-03 01:09:07,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998495547] [2024-11-03 01:09:07,475 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 01:09:07,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-03 01:09:07,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:09:07,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-03 01:09:07,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1231, Unknown=0, NotChecked=0, Total=1560 [2024-11-03 01:09:07,478 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 40 states, 40 states have (on average 1.55) internal successors, (62), 35 states have internal predecessors, (62), 10 states have call successors, (25), 10 states have call predecessors, (25), 11 states have return successors, (26), 11 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-03 01:09:12,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 01:09:13,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:09:13,062 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-11-03 01:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-03 01:09:13,063 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.55) internal successors, (62), 35 states have internal predecessors, (62), 10 states have call successors, (25), 10 states have call predecessors, (25), 11 states have return successors, (26), 11 states have call predecessors, (26), 10 states have call successors, (26) Word has length 99 [2024-11-03 01:09:13,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:09:13,064 INFO L225 Difference]: With dead ends: 101 [2024-11-03 01:09:13,064 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 01:09:13,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=609, Invalid=2043, Unknown=0, NotChecked=0, Total=2652 [2024-11-03 01:09:13,066 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 83 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-03 01:09:13,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 306 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 498 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-03 01:09:13,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 01:09:13,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 01:09:13,067 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 01:09:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 01:09:13,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2024-11-03 01:09:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:09:13,068 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 01:09:13,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.55) internal successors, (62), 35 states have internal predecessors, (62), 10 states have call successors, (25), 10 states have call predecessors, (25), 11 states have return successors, (26), 11 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-03 01:09:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 01:09:13,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 01:09:13,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 01:09:13,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 01:09:13,271 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 01:09:13,274 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-03 01:09:13,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 01:09:13,879 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 01:09:13,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:09:13 BoogieIcfgContainer [2024-11-03 01:09:13,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 01:09:13,906 INFO L158 Benchmark]: Toolchain (without parser) took 12491.53ms. Allocated memory was 389.0MB in the beginning and 467.7MB in the end (delta: 78.6MB). Free memory was 341.9MB in the beginning and 297.9MB in the end (delta: 44.1MB). Peak memory consumption was 123.2MB. Max. memory is 8.0GB. [2024-11-03 01:09:13,906 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 207.6MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 01:09:13,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.34ms. Allocated memory is still 389.0MB. Free memory was 341.4MB in the beginning and 327.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 01:09:13,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.16ms. Allocated memory is still 389.0MB. Free memory was 327.8MB in the beginning and 326.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 01:09:13,907 INFO L158 Benchmark]: Boogie Preprocessor took 43.35ms. Allocated memory is still 389.0MB. Free memory was 326.2MB in the beginning and 323.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 01:09:13,907 INFO L158 Benchmark]: RCFGBuilder took 272.88ms. Allocated memory is still 389.0MB. Free memory was 323.6MB in the beginning and 310.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 01:09:13,908 INFO L158 Benchmark]: TraceAbstraction took 11889.09ms. Allocated memory was 389.0MB in the beginning and 467.7MB in the end (delta: 78.6MB). Free memory was 309.9MB in the beginning and 297.9MB in the end (delta: 12.1MB). Peak memory consumption was 91.8MB. Max. memory is 8.0GB. [2024-11-03 01:09:13,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 207.6MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.34ms. Allocated memory is still 389.0MB. Free memory was 341.4MB in the beginning and 327.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.16ms. Allocated memory is still 389.0MB. Free memory was 327.8MB in the beginning and 326.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.35ms. Allocated memory is still 389.0MB. Free memory was 326.2MB in the beginning and 323.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 272.88ms. Allocated memory is still 389.0MB. Free memory was 323.6MB in the beginning and 310.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11889.09ms. Allocated memory was 389.0MB in the beginning and 467.7MB in the end (delta: 78.6MB). Free memory was 309.9MB in the beginning and 297.9MB in the end (delta: 12.1MB). Peak memory consumption was 91.8MB. 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 2, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 363 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 267 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 96 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 392 ConstructedInterpolants, 0 QuantifiedInterpolants, 1775 SizeOfPredicates, 14 NumberOfNonLiveVariables, 314 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1920/1920 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: 75]: Loop Invariant Derived loop invariant: ((((((((((var_1_6 >= 0) && (var_1_9 <= 16383)) && (var_1_8 <= 8191)) && (var_1_10 <= 16383)) && (var_1_7 >= 0)) && (var_1_6 <= 16383)) && (var_1_8 >= 0)) && (var_1_7 <= 8192)) && (var_1_9 >= 0)) && (var_1_10 >= 0)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((((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))) && (var_1_10 == \old(var_1_10)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 01:09:13,945 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...