/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-84.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 14:38:41,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 14:38:41,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 14:38:41,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 14:38:41,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 14:38:41,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 14:38:41,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 14:38:41,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 14:38:41,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 14:38:41,524 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 14:38:41,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 14:38:41,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 14:38:41,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 14:38:41,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 14:38:41,526 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 14:38:41,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 14:38:41,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 14:38:41,527 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 14:38:41,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 14:38:41,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 14:38:41,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 14:38:41,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 14:38:41,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 14:38:41,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 14:38:41,529 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 14:38:41,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 14:38:41,529 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 14:38:41,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 14:38:41,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 14:38:41,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 14:38:41,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 14:38:41,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 14:38:41,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 14:38:41,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 14:38:41,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:38:41,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 14:38:41,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 14:38:41,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 14:38:41,532 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 14:38:41,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 14:38:41,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 14:38:41,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 14:38:41,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 14:38:41,757 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 14:38:41,757 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 14:38:41,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2023-12-16 14:38:42,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 14:38:42,859 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 14:38:42,860 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2023-12-16 14:38:42,865 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e4e05f83/55220e91350c4ad48d1fd41cb019185a/FLAGf26899642 [2023-12-16 14:38:42,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e4e05f83/55220e91350c4ad48d1fd41cb019185a [2023-12-16 14:38:42,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 14:38:42,878 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 14:38:42,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 14:38:42,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 14:38:42,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 14:38:42,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:38:42" (1/1) ... [2023-12-16 14:38:42,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d52d306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:42, skipping insertion in model container [2023-12-16 14:38:42,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:38:42" (1/1) ... [2023-12-16 14:38:42,898 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 14:38:43,007 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-84.i[915,928] [2023-12-16 14:38:43,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:38:43,047 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 14:38:43,055 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-84.i[915,928] [2023-12-16 14:38:43,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:38:43,074 INFO L206 MainTranslator]: Completed translation [2023-12-16 14:38:43,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43 WrapperNode [2023-12-16 14:38:43,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 14:38:43,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 14:38:43,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 14:38:43,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 14:38:43,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,111 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2023-12-16 14:38:43,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 14:38:43,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 14:38:43,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 14:38:43,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 14:38:43,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,129 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]. [2023-12-16 14:38:43,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 14:38:43,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 14:38:43,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 14:38:43,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 14:38:43,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (1/1) ... [2023-12-16 14:38:43,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:38:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 14:38:43,169 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) [2023-12-16 14:38:43,188 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 [2023-12-16 14:38:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 14:38:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 14:38:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 14:38:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 14:38:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 14:38:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 14:38:43,266 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 14:38:43,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 14:38:43,487 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 14:38:43,522 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 14:38:43,522 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 14:38:43,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:38:43 BoogieIcfgContainer [2023-12-16 14:38:43,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 14:38:43,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 14:38:43,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 14:38:43,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 14:38:43,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:38:42" (1/3) ... [2023-12-16 14:38:43,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfa10b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:38:43, skipping insertion in model container [2023-12-16 14:38:43,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:38:43" (2/3) ... [2023-12-16 14:38:43,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfa10b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:38:43, skipping insertion in model container [2023-12-16 14:38:43,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:38:43" (3/3) ... [2023-12-16 14:38:43,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-84.i [2023-12-16 14:38:43,547 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 14:38:43,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 14:38:43,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 14:38:43,581 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;@38dbee70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 14:38:43,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 14:38:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 14:38:43,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 14:38:43,590 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:38:43,591 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:38:43,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:38:43,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:38:43,595 INFO L85 PathProgramCache]: Analyzing trace with hash -162784122, now seen corresponding path program 1 times [2023-12-16 14:38:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:38:43,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707721659] [2023-12-16 14:38:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:38:43,604 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 [2023-12-16 14:38:43,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:38:43,609 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) [2023-12-16 14:38:43,610 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 [2023-12-16 14:38:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:38:43,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 14:38:43,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:38:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-16 14:38:43,723 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:38:43,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:38:43,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707721659] [2023-12-16 14:38:43,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707721659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:38:43,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:38:43,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 14:38:43,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237036058] [2023-12-16 14:38:43,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:38:43,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 14:38:43,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:38:43,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 14:38:43,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 14:38:43,756 INFO L87 Difference]: Start difference. First operand has 31 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-16 14:38:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:38:43,790 INFO L93 Difference]: Finished difference Result 59 states and 99 transitions. [2023-12-16 14:38:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 14:38:43,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 67 [2023-12-16 14:38:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:38:43,797 INFO L225 Difference]: With dead ends: 59 [2023-12-16 14:38:43,797 INFO L226 Difference]: Without dead ends: 29 [2023-12-16 14:38:43,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 14:38:43,801 INFO L413 NwaCegarLoop]: 37 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, 37 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 [2023-12-16 14:38:43,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 14:38:43,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-12-16 14:38:43,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-12-16 14:38:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 14:38:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2023-12-16 14:38:43,835 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 67 [2023-12-16 14:38:43,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:38:43,835 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-12-16 14:38:43,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-16 14:38:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-12-16 14:38:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 14:38:43,839 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:38:43,839 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:38:43,858 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 [2023-12-16 14:38:44,042 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 [2023-12-16 14:38:44,043 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:38:44,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:38:44,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2016820484, now seen corresponding path program 1 times [2023-12-16 14:38:44,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:38:44,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253164670] [2023-12-16 14:38:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:38:44,045 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 [2023-12-16 14:38:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:38:44,047 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) [2023-12-16 14:38:44,048 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 [2023-12-16 14:38:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:38:44,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 14:38:44,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:38:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 135 proven. 12 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-12-16 14:38:45,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:38:45,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:38:45,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253164670] [2023-12-16 14:38:45,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253164670] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 14:38:45,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [6190825] [2023-12-16 14:38:45,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:38:45,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 14:38:45,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 14:38:45,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 14:38:45,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-16 14:38:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:38:45,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 14:38:45,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:38:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-16 14:38:46,692 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:38:46,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [6190825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:38:46,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 14:38:46,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-12-16 14:38:46,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987269776] [2023-12-16 14:38:46,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:38:46,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 14:38:46,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:38:46,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 14:38:46,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2023-12-16 14:38:46,694 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-16 14:38:47,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:38:47,745 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2023-12-16 14:38:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 14:38:47,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 67 [2023-12-16 14:38:47,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:38:47,747 INFO L225 Difference]: With dead ends: 41 [2023-12-16 14:38:47,747 INFO L226 Difference]: Without dead ends: 39 [2023-12-16 14:38:47,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=99, Invalid=551, Unknown=0, NotChecked=0, Total=650 [2023-12-16 14:38:47,749 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 37 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 14:38:47,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 74 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 14:38:47,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-16 14:38:47,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2023-12-16 14:38:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 14:38:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2023-12-16 14:38:47,756 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 67 [2023-12-16 14:38:47,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:38:47,756 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2023-12-16 14:38:47,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-16 14:38:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-12-16 14:38:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 14:38:47,757 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:38:47,757 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:38:47,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-16 14:38:47,963 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 [2023-12-16 14:38:48,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 [2023-12-16 14:38:48,160 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:38:48,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:38:48,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2016880066, now seen corresponding path program 1 times [2023-12-16 14:38:48,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:38:48,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626693267] [2023-12-16 14:38:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:38:48,161 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 [2023-12-16 14:38:48,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:38:48,163 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) [2023-12-16 14:38:48,164 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 [2023-12-16 14:38:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:38:48,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 14:38:48,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:38:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 135 proven. 12 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-12-16 14:38:48,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:38:49,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:38:49,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626693267] [2023-12-16 14:38:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626693267] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 14:38:49,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1839400535] [2023-12-16 14:38:49,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:38:49,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 14:38:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 14:38:49,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 14:38:49,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-16 14:38:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:38:49,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 14:38:49,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:38:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 135 proven. 12 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-12-16 14:38:49,773 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:38:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-16 14:38:50,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1839400535] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 14:38:50,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-16 14:38:50,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 11] total 24 [2023-12-16 14:38:50,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186170171] [2023-12-16 14:38:50,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:38:50,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 14:38:50,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:38:50,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 14:38:50,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=553, Unknown=0, NotChecked=0, Total=702 [2023-12-16 14:38:50,314 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-16 14:38:50,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:38:50,695 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2023-12-16 14:38:50,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 14:38:50,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 67 [2023-12-16 14:38:50,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:38:50,696 INFO L225 Difference]: With dead ends: 38 [2023-12-16 14:38:50,696 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 14:38:50,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 179 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2023-12-16 14:38:50,697 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 47 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 14:38:50,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 71 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 14:38:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 14:38:50,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 14:38:50,701 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) [2023-12-16 14:38:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 14:38:50,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2023-12-16 14:38:50,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:38:50,701 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 14:38:50,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-16 14:38:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 14:38:50,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 14:38:50,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 14:38:50,715 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 [2023-12-16 14:38:50,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-16 14:38:51,106 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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 14:38:51,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 14:38:51,620 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-12-16 14:38:51,620 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,621 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,621 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-16 14:38:51,621 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-16 14:38:51,621 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-16 14:38:51,621 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-12-16 14:38:51,621 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 75) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,621 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 75) no Hoare annotation was computed. [2023-12-16 14:38:51,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-16 14:38:51,621 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-12-16 14:38:51,621 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,622 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 14:38:51,622 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-16 14:38:51,622 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 41 59) no Hoare annotation was computed. [2023-12-16 14:38:51,622 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-12-16 14:38:51,622 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,622 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,622 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 14:38:51,622 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 38) no Hoare annotation was computed. [2023-12-16 14:38:51,622 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 38) no Hoare annotation was computed. [2023-12-16 14:38:51,622 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,622 INFO L895 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,623 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-12-16 14:38:51,623 INFO L895 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,623 INFO L895 garLoopResultBuilder]: At program point L43-1(line 43) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-12-16 14:38:51,623 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-16 14:38:51,623 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-16 14:38:51,623 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-16 14:38:51,623 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-16 14:38:51,626 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 14:38:51,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 14:38:51,638 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated [2023-12-16 14:38:51,638 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated [2023-12-16 14:38:51,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:38:51 BoogieIcfgContainer [2023-12-16 14:38:51,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 14:38:51,640 INFO L158 Benchmark]: Toolchain (without parser) took 8762.21ms. Allocated memory was 208.7MB in the beginning and 389.0MB in the end (delta: 180.4MB). Free memory was 156.8MB in the beginning and 215.6MB in the end (delta: -58.8MB). Peak memory consumption was 122.1MB. Max. memory is 8.0GB. [2023-12-16 14:38:51,641 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 208.7MB. Free memory was 156.9MB in the beginning and 156.8MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 14:38:51,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.40ms. Allocated memory is still 208.7MB. Free memory was 156.8MB in the beginning and 144.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 14:38:51,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.32ms. Allocated memory is still 208.7MB. Free memory was 144.5MB in the beginning and 142.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-16 14:38:51,641 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 208.7MB. Free memory was 142.9MB in the beginning and 140.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 14:38:51,641 INFO L158 Benchmark]: RCFGBuilder took 383.05ms. Allocated memory is still 208.7MB. Free memory was 140.3MB in the beginning and 175.2MB in the end (delta: -34.8MB). Peak memory consumption was 17.9MB. Max. memory is 8.0GB. [2023-12-16 14:38:51,641 INFO L158 Benchmark]: TraceAbstraction took 8115.67ms. Allocated memory was 208.7MB in the beginning and 389.0MB in the end (delta: 180.4MB). Free memory was 174.6MB in the beginning and 215.6MB in the end (delta: -41.0MB). Peak memory consumption was 138.8MB. Max. memory is 8.0GB. [2023-12-16 14:38:51,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 208.7MB. Free memory was 156.9MB in the beginning and 156.8MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 195.40ms. Allocated memory is still 208.7MB. Free memory was 156.8MB in the beginning and 144.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.32ms. Allocated memory is still 208.7MB. Free memory was 144.5MB in the beginning and 142.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 208.7MB. Free memory was 142.9MB in the beginning and 140.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 383.05ms. Allocated memory is still 208.7MB. Free memory was 140.3MB in the beginning and 175.2MB in the end (delta: -34.8MB). Peak memory consumption was 17.9MB. Max. memory is 8.0GB. * TraceAbstraction took 8115.67ms. Allocated memory was 208.7MB in the beginning and 389.0MB in the end (delta: 180.4MB). Free memory was 174.6MB in the beginning and 215.6MB in the end (delta: -41.0MB). Peak memory consumption was 138.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated * 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, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 89 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=2, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 34 PreInvPairs, 48 NumberOfFragments, 299 HoareAnnotationTreeSize, 34 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FormulaSimplificationsInter, 646 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 396 ConstructedInterpolants, 7 QuantifiedInterpolants, 1659 SizeOfPredicates, 64 NumberOfNonLiveVariables, 575 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1284/1320 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: 69]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-12-16 14:38:51,671 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...