/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 08:09:35,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 08:09:35,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 08:09:35,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 08:09:35,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 08:09:35,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 08:09:35,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 08:09:35,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 08:09:35,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 08:09:35,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 08:09:35,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 08:09:35,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 08:09:35,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 08:09:35,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 08:09:35,200 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 08:09:35,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 08:09:35,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 08:09:35,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 08:09:35,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 08:09:35,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 08:09:35,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 08:09:35,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 08:09:35,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 08:09:35,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 08:09:35,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 08:09:35,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 08:09:35,205 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 08:09:35,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 08:09:35,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 08:09:35,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 08:09:35,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 08:09:35,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 08:09:35,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 08:09:35,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 08:09:35,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:09:35,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 08:09:35,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 08:09:35,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 08:09:35,210 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 08:09:35,210 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 08:09:35,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 08:09:35,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 08:09:35,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 08:09:35,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 08:09:35,211 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:09:35,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 08:09:35,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 08:09:35,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 08:09:35,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 08:09:35,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 08:09:35,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-95.i [2024-11-03 08:09:36,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 08:09:36,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 08:09:36,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-95.i [2024-11-03 08:09:36,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaa8915d4/fbdc58096ab443a78da30817b0917c5d/FLAG5894425e5 [2024-11-03 08:09:37,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaa8915d4/fbdc58096ab443a78da30817b0917c5d [2024-11-03 08:09:37,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 08:09:37,132 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 08:09:37,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 08:09:37,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 08:09:37,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 08:09:37,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3a9628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37, skipping insertion in model container [2024-11-03 08:09:37,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 08:09:37,266 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-95.i[915,928] [2024-11-03 08:09:37,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:09:37,303 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 08:09:37,312 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-95.i[915,928] [2024-11-03 08:09:37,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:09:37,338 INFO L204 MainTranslator]: Completed translation [2024-11-03 08:09:37,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37 WrapperNode [2024-11-03 08:09:37,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 08:09:37,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 08:09:37,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 08:09:37,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 08:09:37,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,370 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-11-03 08:09:37,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 08:09:37,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 08:09:37,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 08:09:37,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 08:09:37,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,388 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 08:09:37,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 08:09:37,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 08:09:37,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 08:09:37,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 08:09:37,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (1/1) ... [2024-11-03 08:09:37,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:09:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 08:09:37,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 08:09:37,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 08:09:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 08:09:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 08:09:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 08:09:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 08:09:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 08:09:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 08:09:37,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 08:09:37,505 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 08:09:40,226 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 08:09:40,226 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 08:09:40,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 08:09:40,235 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 08:09:40,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:09:40 BoogieIcfgContainer [2024-11-03 08:09:40,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 08:09:40,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 08:09:40,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 08:09:40,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 08:09:40,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 08:09:37" (1/3) ... [2024-11-03 08:09:40,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c2e2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:09:40, skipping insertion in model container [2024-11-03 08:09:40,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:09:37" (2/3) ... [2024-11-03 08:09:40,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c2e2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:09:40, skipping insertion in model container [2024-11-03 08:09:40,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:09:40" (3/3) ... [2024-11-03 08:09:40,241 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-95.i [2024-11-03 08:09:40,252 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 08:09:40,252 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 08:09:40,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 08:09:40,293 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;@5405b720, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 08:09:40,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 08:09:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 08:09:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-03 08:09:40,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:09:40,303 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:09:40,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:09:40,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:09:40,307 INFO L85 PathProgramCache]: Analyzing trace with hash -793982135, now seen corresponding path program 1 times [2024-11-03 08:09:40,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:09:40,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635398934] [2024-11-03 08:09:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:09:40,315 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 [2024-11-03 08:09:40,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:09:40,318 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) [2024-11-03 08:09:40,319 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 [2024-11-03 08:09:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:09:40,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 08:09:40,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:09:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-03 08:09:40,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:09:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-03 08:09:40,712 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:09:40,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635398934] [2024-11-03 08:09:40,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [635398934] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 08:09:40,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 08:09:40,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 08:09:40,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607529842] [2024-11-03 08:09:40,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 08:09:40,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 08:09:40,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:09:40,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 08:09:40,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:09:40,732 INFO L87 Difference]: Start difference. First operand has 39 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 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 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-03 08:09:40,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:09:40,745 INFO L93 Difference]: Finished difference Result 71 states and 108 transitions. [2024-11-03 08:09:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 08:09:40,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 69 [2024-11-03 08:09:40,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:09:40,750 INFO L225 Difference]: With dead ends: 71 [2024-11-03 08:09:40,750 INFO L226 Difference]: Without dead ends: 35 [2024-11-03 08:09:40,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:09:40,754 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 08:09:40,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 08:09:40,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-03 08:09:40,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-03 08:09:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 08:09:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2024-11-03 08:09:40,778 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 69 [2024-11-03 08:09:40,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:09:40,778 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2024-11-03 08:09:40,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-03 08:09:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-03 08:09:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-03 08:09:40,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:09:40,781 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:09:40,792 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 (2)] Forceful destruction successful, exit code 0 [2024-11-03 08:09:40,984 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 [2024-11-03 08:09:40,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:09:40,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:09:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash -252284867, now seen corresponding path program 1 times [2024-11-03 08:09:40,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:09:40,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633412204] [2024-11-03 08:09:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:09:40,986 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 [2024-11-03 08:09:40,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:09:40,989 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) [2024-11-03 08:09:40,990 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 [2024-11-03 08:09:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:09:41,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-03 08:09:41,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:10:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 78 proven. 36 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-03 08:10:39,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:11:08,311 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (= ((_ sign_extend 24) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_10~0))) (.cse3 (= ((_ zero_extend 16) c_~var_1_9~0) ((_ zero_extend 16) c_~var_1_8~0))) (.cse5 (forall ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53))) (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_6~0 ~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1317.0 40.0)))))) (.cse6 (fp.gt c_~var_1_4~0 c_~var_1_5~0)) (.cse7 (fp.eq c_~var_1_1~0 c_~var_1_4~0)) (.cse1 (fp.lt c_~var_1_2~0 (fp.sub c_currentRoundingMode c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 2277.0 250.0)))))) (let ((.cse10 (not .cse1)) (.cse8 (not .cse7)) (.cse4 (not .cse6)) (.cse9 (and .cse2 .cse3 .cse5)) (.cse0 (fp.eq c_~var_1_1~0 c_~var_1_5~0))) (and (or (not .cse0) (and (or .cse1 (and (or (and .cse2 .cse3 (or .cse4 .cse5) (or .cse6 .cse5)) .cse7) (or .cse8 .cse9))) (or (and .cse4 .cse2 .cse3) .cse10))) (or (and (or .cse10 (and .cse6 .cse2 .cse3 .cse7)) (or .cse1 (let ((.cse11 (and (or .cse4 .cse9) (or .cse6 .cse9)))) (and (or .cse11 .cse7) (or .cse11 .cse8))))) .cse0)))) is different from false