/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-98.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 06:22:43,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 06:22:43,341 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 06:22:43,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 06:22:43,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 06:22:43,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 06:22:43,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 06:22:43,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 06:22:43,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 06:22:43,363 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 06:22:43,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 06:22:43,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 06:22:43,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 06:22:43,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 06:22:43,364 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 06:22:43,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 06:22:43,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 06:22:43,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 06:22:43,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 06:22:43,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 06:22:43,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 06:22:43,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 06:22:43,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 06:22:43,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 06:22:43,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 06:22:43,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 06:22:43,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 06:22:43,368 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 06:22:43,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 06:22:43,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 06:22:43,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 06:22:43,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 06:22:43,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 06:22:43,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 06:22:43,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 06:22:43,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 06:22:43,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 06:22:43,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 06:22:43,372 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 06:22:43,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 06:22:43,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 06:22:43,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 06:22:43,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 06:22:43,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 06:22:43,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 06:22:43,374 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 06:22:43,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 06:22:43,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 06:22:43,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 06:22:43,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 06:22:43,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 06:22:43,597 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 06:22:43,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-98.i [2023-12-24 06:22:44,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 06:22:44,913 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 06:22:44,913 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-98.i [2023-12-24 06:22:44,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed93d47b/674af97f26fc48659d08b26f0bccc5d6/FLAG6ead08225 [2023-12-24 06:22:44,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed93d47b/674af97f26fc48659d08b26f0bccc5d6 [2023-12-24 06:22:44,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 06:22:44,932 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 06:22:44,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 06:22:44,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 06:22:44,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 06:22:44,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 06:22:44" (1/1) ... [2023-12-24 06:22:44,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fc0460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:44, skipping insertion in model container [2023-12-24 06:22:44,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 06:22:44" (1/1) ... [2023-12-24 06:22:44,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 06:22:45,091 WARN L239 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-98.i[915,928] [2023-12-24 06:22:45,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 06:22:45,127 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 06:22:45,140 WARN L239 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-98.i[915,928] [2023-12-24 06:22:45,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 06:22:45,162 INFO L206 MainTranslator]: Completed translation [2023-12-24 06:22:45,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45 WrapperNode [2023-12-24 06:22:45,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 06:22:45,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 06:22:45,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 06:22:45,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 06:22:45,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,193 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2023-12-24 06:22:45,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 06:22:45,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 06:22:45,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 06:22:45,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 06:22:45,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,216 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]. [2023-12-24 06:22:45,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 06:22:45,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 06:22:45,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 06:22:45,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 06:22:45,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (1/1) ... [2023-12-24 06:22:45,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 06:22:45,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 06:22:45,266 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) [2023-12-24 06:22:45,270 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 [2023-12-24 06:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 06:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 06:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 06:22:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 06:22:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 06:22:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 06:22:45,340 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 06:22:45,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 06:22:45,503 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 06:22:45,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 06:22:45,571 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 06:22:45,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 06:22:45 BoogieIcfgContainer [2023-12-24 06:22:45,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 06:22:45,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 06:22:45,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 06:22:45,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 06:22:45,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 06:22:44" (1/3) ... [2023-12-24 06:22:45,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5282c8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 06:22:45, skipping insertion in model container [2023-12-24 06:22:45,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:22:45" (2/3) ... [2023-12-24 06:22:45,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5282c8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 06:22:45, skipping insertion in model container [2023-12-24 06:22:45,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 06:22:45" (3/3) ... [2023-12-24 06:22:45,583 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-98.i [2023-12-24 06:22:45,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 06:22:45,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 06:22:45,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 06:22:45,645 INFO L357 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, mHoare=true, 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;@559e9e03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 06:22:45,646 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 06:22:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 06:22:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-24 06:22:45,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:22:45,657 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:22:45,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:22:45,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:22:45,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1797655989, now seen corresponding path program 1 times [2023-12-24 06:22:45,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:22:45,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87970900] [2023-12-24 06:22:45,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:22:45,677 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 [2023-12-24 06:22:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:22:45,680 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) [2023-12-24 06:22:45,731 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 [2023-12-24 06:22:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:22:45,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 06:22:45,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:22:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-24 06:22:45,882 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 06:22:45,883 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:22:45,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87970900] [2023-12-24 06:22:45,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87970900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 06:22:45,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 06:22:45,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 06:22:45,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015450598] [2023-12-24 06:22:45,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 06:22:45,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 06:22:45,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:22:45,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 06:22:45,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 06:22:45,918 INFO L87 Difference]: Start difference. First operand has 30 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-24 06:22:45,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:22:45,956 INFO L93 Difference]: Finished difference Result 57 states and 96 transitions. [2023-12-24 06:22:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 06:22:45,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2023-12-24 06:22:45,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:22:45,964 INFO L225 Difference]: With dead ends: 57 [2023-12-24 06:22:45,964 INFO L226 Difference]: Without dead ends: 28 [2023-12-24 06:22:45,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 06:22:45,975 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 06:22:45,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 06:22:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-12-24 06:22:46,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-12-24 06:22:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 06:22:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2023-12-24 06:22:46,024 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 39 transitions. Word has length 61 [2023-12-24 06:22:46,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:22:46,024 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 39 transitions. [2023-12-24 06:22:46,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-24 06:22:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-12-24 06:22:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-24 06:22:46,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:22:46,030 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:22:46,035 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 [2023-12-24 06:22:46,234 WARN L477 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 [2023-12-24 06:22:46,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:22:46,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:22:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash -686962421, now seen corresponding path program 1 times [2023-12-24 06:22:46,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:22:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601171012] [2023-12-24 06:22:46,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:22:46,237 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 [2023-12-24 06:22:46,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:22:46,238 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) [2023-12-24 06:22:46,239 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 [2023-12-24 06:22:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:22:46,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 06:22:46,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:22:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-24 06:22:46,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 06:22:46,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:22:46,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601171012] [2023-12-24 06:22:46,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601171012] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 06:22:46,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 06:22:46,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-24 06:22:46,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619440348] [2023-12-24 06:22:46,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 06:22:46,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 06:22:46,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:22:46,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 06:22:46,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 06:22:46,837 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-24 06:22:46,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:22:46,902 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2023-12-24 06:22:46,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 06:22:46,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 61 [2023-12-24 06:22:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:22:46,906 INFO L225 Difference]: With dead ends: 34 [2023-12-24 06:22:46,906 INFO L226 Difference]: Without dead ends: 32 [2023-12-24 06:22:46,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 06:22:46,907 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 4 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 06:22:46,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 95 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 06:22:46,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-12-24 06:22:46,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2023-12-24 06:22:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 06:22:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2023-12-24 06:22:46,925 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 61 [2023-12-24 06:22:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:22:46,926 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2023-12-24 06:22:46,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-24 06:22:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-12-24 06:22:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-24 06:22:46,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:22:46,929 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:22:46,936 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 [2023-12-24 06:22:47,132 WARN L477 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 [2023-12-24 06:22:47,133 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:22:47,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:22:47,134 INFO L85 PathProgramCache]: Analyzing trace with hash 169871918, now seen corresponding path program 1 times [2023-12-24 06:22:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:22:47,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814413087] [2023-12-24 06:22:47,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:22:47,134 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 [2023-12-24 06:22:47,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:22:47,136 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2023-12-24 06:22:47,137 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 (4)] Waiting until timeout for monitored process [2023-12-24 06:22:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:22:47,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-24 06:22:47,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:22:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-24 06:22:48,283 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 06:22:48,283 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:22:48,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814413087] [2023-12-24 06:22:48,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814413087] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 06:22:48,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 06:22:48,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-12-24 06:22:48,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054938544] [2023-12-24 06:22:48,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 06:22:48,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-24 06:22:48,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:22:48,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-24 06:22:48,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2023-12-24 06:22:48,296 INFO L87 Difference]: Start difference. First operand 30 states and 41 transitions. Second operand has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2023-12-24 06:22:48,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:22:48,765 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2023-12-24 06:22:48,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-24 06:22:48,766 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) Word has length 62 [2023-12-24 06:22:48,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:22:48,767 INFO L225 Difference]: With dead ends: 62 [2023-12-24 06:22:48,768 INFO L226 Difference]: Without dead ends: 60 [2023-12-24 06:22:48,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=267, Invalid=725, Unknown=0, NotChecked=0, Total=992 [2023-12-24 06:22:48,769 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 48 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 06:22:48,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 127 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 06:22:48,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-12-24 06:22:48,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2023-12-24 06:22:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 06:22:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2023-12-24 06:22:48,778 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 62 [2023-12-24 06:22:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:22:48,778 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2023-12-24 06:22:48,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2023-12-24 06:22:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2023-12-24 06:22:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-24 06:22:48,779 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:22:48,779 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:22:48,786 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 (4)] Forceful destruction successful, exit code 0 [2023-12-24 06:22:48,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2023-12-24 06:22:48,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:22:48,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:22:48,984 INFO L85 PathProgramCache]: Analyzing trace with hash 169931500, now seen corresponding path program 1 times [2023-12-24 06:22:48,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:22:48,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754061133] [2023-12-24 06:22:48,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:22:48,985 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 [2023-12-24 06:22:48,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:22:48,990 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2023-12-24 06:22:48,991 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 (5)] Waiting until timeout for monitored process [2023-12-24 06:22:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:22:49,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 06:22:49,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:22:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-24 06:22:49,156 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 06:22:49,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:22:49,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754061133] [2023-12-24 06:22:49,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754061133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 06:22:49,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 06:22:49,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 06:22:49,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312397501] [2023-12-24 06:22:49,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 06:22:49,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 06:22:49,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:22:49,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 06:22:49,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-24 06:22:49,161 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-24 06:22:49,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:22:49,211 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2023-12-24 06:22:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 06:22:49,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 62 [2023-12-24 06:22:49,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:22:49,214 INFO L225 Difference]: With dead ends: 60 [2023-12-24 06:22:49,215 INFO L226 Difference]: Without dead ends: 0 [2023-12-24 06:22:49,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-24 06:22:49,219 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 8 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 06:22:49,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 95 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 06:22:49,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-24 06:22:49,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-24 06:22:49,223 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) [2023-12-24 06:22:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-24 06:22:49,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2023-12-24 06:22:49,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:22:49,223 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-24 06:22:49,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-24 06:22:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-24 06:22:49,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-24 06:22:49,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 06:22:49,237 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 (5)] Ended with exit code 0 [2023-12-24 06:22:49,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2023-12-24 06:22:49,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-24 06:22:49,581 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 39) no Hoare annotation was computed. [2023-12-24 06:22:49,581 INFO L899 garLoopResultBuilder]: For program point L56(lines 41 57) no Hoare annotation was computed. [2023-12-24 06:22:49,581 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_4~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv32 32)))) [2023-12-24 06:22:49,582 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_4~0))) (and (bvsge ((_ sign_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv32 32)))) [2023-12-24 06:22:49,582 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-24 06:22:49,582 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-24 06:22:49,582 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-24 06:22:49,582 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-12-24 06:22:49,582 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 36) no Hoare annotation was computed. [2023-12-24 06:22:49,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-24 06:22:49,582 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-12-24 06:22:49,582 INFO L902 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true [2023-12-24 06:22:49,582 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (bvsge ((_ sign_extend 24) ~var_1_4~0) (_ bv0 32)) [2023-12-24 06:22:49,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-24 06:22:49,583 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-12-24 06:22:49,583 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_5~0)) (.cse1 ((_ sign_extend 24) ~var_1_4~0)) (.cse2 ((_ sign_extend 24) ~var_1_6~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv31 32)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 (_ bv32 32)) (bvsle .cse2 (_ bv63 32)) (bvsge .cse2 (_ bv4294967233 32)))) [2023-12-24 06:22:49,583 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_5~0)) (.cse1 ((_ sign_extend 24) ~var_1_4~0)) (.cse2 ((_ sign_extend 24) ~var_1_6~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv31 32)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 (_ bv32 32)) (bvsle .cse2 (_ bv63 32)) (bvsge .cse2 (_ bv4294967233 32)))) [2023-12-24 06:22:49,583 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-24 06:22:49,583 INFO L895 garLoopResultBuilder]: At program point L67-2(lines 67 73) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_5~0)) (.cse1 ((_ sign_extend 24) ~var_1_4~0)) (.cse2 ((_ sign_extend 24) ~var_1_6~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv31 32)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 (_ bv32 32)) (bvsle .cse2 (_ bv63 32)) (bvsge .cse2 (_ bv4294967233 32)))) [2023-12-24 06:22:49,583 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 73) no Hoare annotation was computed. [2023-12-24 06:22:49,583 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 40) no Hoare annotation was computed. [2023-12-24 06:22:49,584 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_5~0)) (.cse1 ((_ sign_extend 24) ~var_1_4~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv31 32)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 (_ bv32 32)))) [2023-12-24 06:22:49,584 INFO L895 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_5~0)) (.cse1 ((_ sign_extend 24) ~var_1_4~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv31 32)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 (_ bv32 32)) (bvsge ((_ sign_extend 24) ~var_1_6~0) (_ bv4294967233 32)))) [2023-12-24 06:22:49,584 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-12-24 06:22:49,584 INFO L895 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_5~0)) (.cse1 ((_ sign_extend 24) ~var_1_4~0)) (.cse2 ((_ sign_extend 24) ~var_1_6~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv31 32)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 (_ bv32 32)) (bvsle .cse2 (_ bv63 32)) (bvsge .cse2 (_ bv4294967233 32)))) [2023-12-24 06:22:49,584 INFO L895 garLoopResultBuilder]: At program point L43-1(line 43) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) ~var_1_5~0)) (.cse1 ((_ sign_extend 24) ~var_1_4~0)) (.cse2 ((_ sign_extend 24) ~var_1_6~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsle .cse0 (_ bv31 32)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 (_ bv32 32)) (bvsle .cse2 (_ bv63 32)) (bvsge .cse2 (_ bv4294967233 32)))) [2023-12-24 06:22:49,584 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-24 06:22:49,584 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-24 06:22:49,584 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-24 06:22:49,585 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-24 06:22:49,587 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-24 06:22:49,589 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 06:22:49,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 06:22:49 BoogieIcfgContainer [2023-12-24 06:22:49,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 06:22:49,597 INFO L158 Benchmark]: Toolchain (without parser) took 4665.77ms. Allocated memory was 235.9MB in the beginning and 283.1MB in the end (delta: 47.2MB). Free memory was 185.9MB in the beginning and 241.2MB in the end (delta: -55.3MB). Peak memory consumption was 137.2MB. Max. memory is 8.0GB. [2023-12-24 06:22:49,597 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 06:22:49,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.02ms. Allocated memory is still 235.9MB. Free memory was 185.4MB in the beginning and 173.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-24 06:22:49,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.51ms. Allocated memory is still 235.9MB. Free memory was 173.3MB in the beginning and 171.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 06:22:49,598 INFO L158 Benchmark]: Boogie Preprocessor took 36.18ms. Allocated memory is still 235.9MB. Free memory was 171.7MB in the beginning and 169.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 06:22:49,598 INFO L158 Benchmark]: RCFGBuilder took 340.14ms. Allocated memory is still 235.9MB. Free memory was 169.6MB in the beginning and 154.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-24 06:22:49,599 INFO L158 Benchmark]: TraceAbstraction took 4020.31ms. Allocated memory was 235.9MB in the beginning and 283.1MB in the end (delta: 47.2MB). Free memory was 154.4MB in the beginning and 241.2MB in the end (delta: -86.8MB). Peak memory consumption was 105.8MB. Max. memory is 8.0GB. [2023-12-24 06:22:49,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 230.02ms. Allocated memory is still 235.9MB. Free memory was 185.4MB in the beginning and 173.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.51ms. Allocated memory is still 235.9MB. Free memory was 173.3MB in the beginning and 171.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.18ms. Allocated memory is still 235.9MB. Free memory was 171.7MB in the beginning and 169.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 340.14ms. Allocated memory is still 235.9MB. Free memory was 169.6MB in the beginning and 154.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4020.31ms. Allocated memory was 235.9MB in the beginning and 283.1MB in the end (delta: 47.2MB). Free memory was 154.4MB in the beginning and 241.2MB in the end (delta: -86.8MB). Peak memory consumption was 105.8MB. 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 353 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 225 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 128 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=3, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 31 PreInvPairs, 44 NumberOfFragments, 191 HoareAnnotationTreeSize, 31 FormulaSimplifications, 103 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FormulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 768 SizeOfPredicates, 33 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 720/720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((var_1_5 >= 0) && (var_1_5 <= 31)) && (var_1_4 >= 0)) && (var_1_4 <= 32)) && (var_1_6 <= 63)) && (var_1_6 >= -63)) RESULT: Ultimate proved your program to be correct! [2023-12-24 06:22:49,619 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...