/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-05 23:17:29,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 23:17:29,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 23:17:30,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 23:17:30,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 23:17:30,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 23:17:30,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 23:17:30,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 23:17:30,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 23:17:30,037 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 23:17:30,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 23:17:30,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 23:17:30,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 23:17:30,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 23:17:30,039 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 23:17:30,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 23:17:30,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 23:17:30,040 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 23:17:30,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 23:17:30,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 23:17:30,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 23:17:30,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 23:17:30,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 23:17:30,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 23:17:30,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 23:17:30,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 23:17:30,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 23:17:30,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 23:17:30,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 23:17:30,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 23:17:30,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 23:17:30,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 23:17:30,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 23:17:30,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 23:17:30,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:17:30,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 23:17:30,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 23:17:30,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 23:17:30,049 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 23:17:30,049 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 23:17:30,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 23:17:30,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 23:17:30,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 23:17:30,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 23:17:30,050 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-05 23:17:30,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 23:17:30,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 23:17:30,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 23:17:30,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 23:17:30,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 23:17:30,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i [2024-11-05 23:17:31,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 23:17:31,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 23:17:31,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i [2024-11-05 23:17:31,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221ba3eae/d4af8fdb336a439292685390d28f19ed/FLAG4260a3b31 [2024-11-05 23:17:31,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221ba3eae/d4af8fdb336a439292685390d28f19ed [2024-11-05 23:17:31,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 23:17:31,964 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 23:17:31,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 23:17:31,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 23:17:31,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 23:17:31,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:17:31" (1/1) ... [2024-11-05 23:17:31,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4310d8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:31, skipping insertion in model container [2024-11-05 23:17:31,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:17:31" (1/1) ... [2024-11-05 23:17:31,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 23:17:32,171 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-65.i[915,928] [2024-11-05 23:17:32,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:17:32,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 23:17:32,230 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-65.i[915,928] [2024-11-05 23:17:32,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:17:32,264 INFO L204 MainTranslator]: Completed translation [2024-11-05 23:17:32,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32 WrapperNode [2024-11-05 23:17:32,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 23:17:32,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 23:17:32,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 23:17:32,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 23:17:32,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,301 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-05 23:17:32,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 23:17:32,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 23:17:32,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 23:17:32,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 23:17:32,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,314 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,329 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]. [2024-11-05 23:17:32,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 23:17:32,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 23:17:32,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 23:17:32,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 23:17:32,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (1/1) ... [2024-11-05 23:17:32,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:17:32,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 23:17:32,386 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) [2024-11-05 23:17:32,388 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 [2024-11-05 23:17:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 23:17:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 23:17:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 23:17:32,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 23:17:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 23:17:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 23:17:32,475 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 23:17:32,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 23:17:32,725 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-05 23:17:32,725 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 23:17:32,742 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 23:17:32,742 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 23:17:32,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:17:32 BoogieIcfgContainer [2024-11-05 23:17:32,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 23:17:32,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 23:17:32,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 23:17:32,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 23:17:32,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:17:31" (1/3) ... [2024-11-05 23:17:32,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ded4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:17:32, skipping insertion in model container [2024-11-05 23:17:32,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:17:32" (2/3) ... [2024-11-05 23:17:32,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ded4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:17:32, skipping insertion in model container [2024-11-05 23:17:32,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:17:32" (3/3) ... [2024-11-05 23:17:32,757 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-65.i [2024-11-05 23:17:32,773 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 23:17:32,774 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 23:17:32,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 23:17:32,845 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;@4045e80a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 23:17:32,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 23:17:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-05 23:17:32,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-05 23:17:32,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:17:32,861 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-05 23:17:32,862 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:17:32,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:17:32,867 INFO L85 PathProgramCache]: Analyzing trace with hash -618275677, now seen corresponding path program 1 times [2024-11-05 23:17:32,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:17:32,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351232772] [2024-11-05 23:17:32,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:17:32,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:17:32,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:17:32,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:17:32,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 23:17:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:17:33,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 23:17:33,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:17:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-05 23:17:34,324 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:17:34,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:17:34,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351232772] [2024-11-05 23:17:34,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351232772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:17:34,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:17:34,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-05 23:17:34,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561578350] [2024-11-05 23:17:34,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:17:34,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 23:17:34,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:17:34,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 23:17:34,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-05 23:17:34,358 INFO L87 Difference]: Start difference. First operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 23:17:35,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:17:35,049 INFO L93 Difference]: Finished difference Result 71 states and 114 transitions. [2024-11-05 23:17:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 23:17:35,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2024-11-05 23:17:35,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:17:35,063 INFO L225 Difference]: With dead ends: 71 [2024-11-05 23:17:35,063 INFO L226 Difference]: Without dead ends: 38 [2024-11-05 23:17:35,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-05 23:17:35,072 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 23:17:35,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 177 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 23:17:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-05 23:17:35,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-11-05 23:17:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-05 23:17:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-05 23:17:35,117 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 70 [2024-11-05 23:17:35,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:17:35,118 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-05 23:17:35,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 23:17:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-05 23:17:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-05 23:17:35,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:17:35,124 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-05 23:17:35,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 23:17:35,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:17:35,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:17:35,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:17:35,326 INFO L85 PathProgramCache]: Analyzing trace with hash -616428635, now seen corresponding path program 1 times [2024-11-05 23:17:35,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:17:35,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865046413] [2024-11-05 23:17:35,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:17:35,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:17:35,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:17:35,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:17:35,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 23:17:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:17:35,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-05 23:17:35,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:17:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-05 23:17:37,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:17:37,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:17:37,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865046413] [2024-11-05 23:17:37,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865046413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:17:37,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:17:37,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-05 23:17:37,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092778757] [2024-11-05 23:17:37,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:17:37,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-05 23:17:37,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:17:37,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-05 23:17:37,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-05 23:17:37,377 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 15 states have internal predecessors, (30), 4 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-05 23:17:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:17:39,165 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2024-11-05 23:17:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-05 23:17:39,168 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 15 states have internal predecessors, (30), 4 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 70 [2024-11-05 23:17:39,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:17:39,169 INFO L225 Difference]: With dead ends: 56 [2024-11-05 23:17:39,169 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 23:17:39,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2024-11-05 23:17:39,171 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 30 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-05 23:17:39,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 173 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-05 23:17:39,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 23:17:39,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 23:17:39,173 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) [2024-11-05 23:17:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 23:17:39,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2024-11-05 23:17:39,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:17:39,173 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 23:17:39,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 15 states have internal predecessors, (30), 4 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-05 23:17:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 23:17:39,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 23:17:39,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 23:17:39,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 23:17:39,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:17:39,383 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-05 23:17:39,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-05 23:17:39,619 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-05 23:17:39,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 11:17:39 BoogieIcfgContainer [2024-11-05 23:17:39,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-05 23:17:39,636 INFO L158 Benchmark]: Toolchain (without parser) took 7672.05ms. Allocated memory was 192.9MB in the beginning and 320.9MB in the end (delta: 127.9MB). Free memory was 151.6MB in the beginning and 153.7MB in the end (delta: -2.0MB). Peak memory consumption was 126.8MB. Max. memory is 8.0GB. [2024-11-05 23:17:39,637 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 192.9MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 23:17:39,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.95ms. Allocated memory is still 192.9MB. Free memory was 151.3MB in the beginning and 137.9MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-05 23:17:39,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.37ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 135.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 23:17:39,638 INFO L158 Benchmark]: Boogie Preprocessor took 51.62ms. Allocated memory is still 192.9MB. Free memory was 135.9MB in the beginning and 133.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 23:17:39,638 INFO L158 Benchmark]: RCFGBuilder took 388.26ms. Allocated memory is still 192.9MB. Free memory was 133.8MB in the beginning and 121.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-05 23:17:39,638 INFO L158 Benchmark]: TraceAbstraction took 6889.42ms. Allocated memory was 192.9MB in the beginning and 320.9MB in the end (delta: 127.9MB). Free memory was 120.5MB in the beginning and 153.7MB in the end (delta: -33.1MB). Peak memory consumption was 96.4MB. Max. memory is 8.0GB. [2024-11-05 23:17:39,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 192.9MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 299.95ms. Allocated memory is still 192.9MB. Free memory was 151.3MB in the beginning and 137.9MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.37ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 135.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.62ms. Allocated memory is still 192.9MB. Free memory was 135.9MB in the beginning and 133.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 388.26ms. Allocated memory is still 192.9MB. Free memory was 133.8MB in the beginning and 121.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 6889.42ms. Allocated memory was 192.9MB in the beginning and 320.9MB in the end (delta: 127.9MB). Free memory was 120.5MB in the beginning and 153.7MB in the end (delta: -33.1MB). Peak memory consumption was 96.4MB. 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 282 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 68 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 14 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 440/440 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: 67]: Loop Invariant Derived loop invariant: ((((var_1_8 <= 16383) && (var_1_7 >= 0)) && (var_1_7 <= 16383)) && (var_1_8 >= 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_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! [2024-11-05 23:17:39,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...