/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_fillercode_fillercodestructure_filler-pr-ci_file-35.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 12:09:59,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 12:09:59,364 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 12:09:59,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 12:09:59,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 12:09:59,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 12:09:59,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 12:09:59,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 12:09:59,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 12:09:59,402 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 12:09:59,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 12:09:59,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 12:09:59,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 12:09:59,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 12:09:59,404 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 12:09:59,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 12:09:59,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 12:09:59,405 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 12:09:59,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 12:09:59,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 12:09:59,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 12:09:59,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 12:09:59,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 12:09:59,408 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 12:09:59,408 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 12:09:59,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 12:09:59,408 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 12:09:59,409 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 12:09:59,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 12:09:59,409 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 12:09:59,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 12:09:59,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 12:09:59,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 12:09:59,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 12:09:59,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:09:59,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 12:09:59,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 12:09:59,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 12:09:59,411 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 12:09:59,411 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 12:09:59,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 12:09:59,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 12:09:59,412 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 12:09:59,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 12:09:59,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 12:09:59,413 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 12:09:59,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 12:09:59,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 12:09:59,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 12:09:59,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 12:09:59,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 12:09:59,672 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 12:09:59,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-35.i [2023-12-16 12:10:00,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 12:10:01,023 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 12:10:01,023 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-35.i [2023-12-16 12:10:01,031 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c5a0ba3/c540430d690048409adefef4cc9e149d/FLAG5e395b8ef [2023-12-16 12:10:01,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c5a0ba3/c540430d690048409adefef4cc9e149d [2023-12-16 12:10:01,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 12:10:01,045 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 12:10:01,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 12:10:01,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 12:10:01,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 12:10:01,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e881bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01, skipping insertion in model container [2023-12-16 12:10:01,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 12:10:01,231 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_fillercode_fillercodestructure_filler-pr-ci_file-35.i[919,932] [2023-12-16 12:10:01,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:10:01,308 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 12:10:01,317 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_fillercode_fillercodestructure_filler-pr-ci_file-35.i[919,932] [2023-12-16 12:10:01,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:10:01,382 INFO L206 MainTranslator]: Completed translation [2023-12-16 12:10:01,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01 WrapperNode [2023-12-16 12:10:01,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 12:10:01,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 12:10:01,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 12:10:01,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 12:10:01,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,431 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-12-16 12:10:01,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 12:10:01,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 12:10:01,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 12:10:01,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 12:10:01,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,465 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 12:10:01,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 12:10:01,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 12:10:01,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 12:10:01,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 12:10:01,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (1/1) ... [2023-12-16 12:10:01,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:10:01,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 12:10:01,538 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 12:10:01,553 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 12:10:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 12:10:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 12:10:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 12:10:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 12:10:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 12:10:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 12:10:01,685 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 12:10:01,687 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 12:10:03,648 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 12:10:03,703 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 12:10:03,704 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 12:10:03,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:10:03 BoogieIcfgContainer [2023-12-16 12:10:03,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 12:10:03,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 12:10:03,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 12:10:03,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 12:10:03,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:10:01" (1/3) ... [2023-12-16 12:10:03,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e0125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:10:03, skipping insertion in model container [2023-12-16 12:10:03,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:10:01" (2/3) ... [2023-12-16 12:10:03,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e0125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:10:03, skipping insertion in model container [2023-12-16 12:10:03,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:10:03" (3/3) ... [2023-12-16 12:10:03,712 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-35.i [2023-12-16 12:10:03,725 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 12:10:03,725 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 12:10:03,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 12:10:03,774 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;@4918b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 12:10:03,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 12:10:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-16 12:10:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-16 12:10:03,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:10:03,796 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:10:03,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:10:03,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:10:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1959077043, now seen corresponding path program 1 times [2023-12-16 12:10:03,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:10:03,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036012194] [2023-12-16 12:10:03,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:10:03,819 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 12:10:03,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:10:03,821 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 12:10:03,861 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 12:10:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:10:04,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 12:10:04,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:10:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2023-12-16 12:10:04,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:10:04,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:10:04,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036012194] [2023-12-16 12:10:04,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036012194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:10:04,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:10:04,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:10:04,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880791491] [2023-12-16 12:10:04,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:10:04,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 12:10:04,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:10:04,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 12:10:04,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:10:04,346 INFO L87 Difference]: Start difference. First operand has 82 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-16 12:10:04,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:10:04,780 INFO L93 Difference]: Finished difference Result 160 states and 282 transitions. [2023-12-16 12:10:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 12:10:04,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2023-12-16 12:10:04,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:10:04,807 INFO L225 Difference]: With dead ends: 160 [2023-12-16 12:10:04,807 INFO L226 Difference]: Without dead ends: 79 [2023-12-16 12:10:04,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 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 12:10:04,813 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 12:10:04,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 12:10:04,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-16 12:10:04,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-16 12:10:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-16 12:10:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2023-12-16 12:10:04,848 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 181 [2023-12-16 12:10:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:10:04,849 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2023-12-16 12:10:04,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-16 12:10:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2023-12-16 12:10:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-16 12:10:04,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:10:04,853 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:10:04,865 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 12:10:05,056 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 12:10:05,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:10:05,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:10:05,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1719826707, now seen corresponding path program 1 times [2023-12-16 12:10:05,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:10:05,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182236511] [2023-12-16 12:10:05,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:10:05,059 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 12:10:05,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:10:05,060 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 12:10:05,078 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 12:10:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:10:05,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 12:10:05,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:10:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-16 12:10:05,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:10:05,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:10:05,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182236511] [2023-12-16 12:10:05,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182236511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:10:05,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:10:05,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 12:10:05,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290868983] [2023-12-16 12:10:05,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:10:05,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 12:10:05,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:10:05,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 12:10:05,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 12:10:05,902 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-16 12:10:07,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:10:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:10:08,539 INFO L93 Difference]: Finished difference Result 263 states and 403 transitions. [2023-12-16 12:10:08,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 12:10:08,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2023-12-16 12:10:08,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:10:08,560 INFO L225 Difference]: With dead ends: 263 [2023-12-16 12:10:08,560 INFO L226 Difference]: Without dead ends: 185 [2023-12-16 12:10:08,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 12:10:08,563 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 125 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-16 12:10:08,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 389 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-16 12:10:08,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-12-16 12:10:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 155. [2023-12-16 12:10:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 96 states have (on average 1.3229166666666667) internal successors, (127), 96 states have internal predecessors, (127), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-16 12:10:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 239 transitions. [2023-12-16 12:10:08,595 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 239 transitions. Word has length 181 [2023-12-16 12:10:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:10:08,596 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 239 transitions. [2023-12-16 12:10:08,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-16 12:10:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2023-12-16 12:10:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-16 12:10:08,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:10:08,599 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:10:08,617 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 (3)] Ended with exit code 0 [2023-12-16 12:10:08,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:10:08,818 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:10:08,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:10:08,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1938681425, now seen corresponding path program 1 times [2023-12-16 12:10:08,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:10:08,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034240151] [2023-12-16 12:10:08,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:10:08,819 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 12:10:08,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:10:08,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 12:10:08,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 12:10:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:10:09,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 12:10:09,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:10:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-16 12:10:09,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:10:09,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:10:09,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034240151] [2023-12-16 12:10:09,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034240151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:10:09,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:10:09,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 12:10:09,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646119925] [2023-12-16 12:10:09,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:10:09,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 12:10:09,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:10:09,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 12:10:09,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 12:10:09,553 INFO L87 Difference]: Start difference. First operand 155 states and 239 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-16 12:10:11,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:10:12,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:10:12,398 INFO L93 Difference]: Finished difference Result 503 states and 776 transitions. [2023-12-16 12:10:12,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 12:10:12,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2023-12-16 12:10:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:10:12,423 INFO L225 Difference]: With dead ends: 503 [2023-12-16 12:10:12,423 INFO L226 Difference]: Without dead ends: 349 [2023-12-16 12:10:12,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 12:10:12,426 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 100 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 12:10:12,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 425 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 12:10:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-12-16 12:10:12,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2023-12-16 12:10:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 190 states have (on average 1.3157894736842106) internal successors, (250), 190 states have internal predecessors, (250), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-12-16 12:10:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 474 transitions. [2023-12-16 12:10:12,471 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 474 transitions. Word has length 181 [2023-12-16 12:10:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:10:12,472 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 474 transitions. [2023-12-16 12:10:12,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-16 12:10:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 474 transitions. [2023-12-16 12:10:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-16 12:10:12,475 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:10:12,475 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:10:12,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 12:10:12,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:10:12,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:10:12,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:10:12,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1197389756, now seen corresponding path program 1 times [2023-12-16 12:10:12,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:10:12,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474282317] [2023-12-16 12:10:12,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:10:12,690 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 12:10:12,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:10:12,691 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 12:10:12,696 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 12:10:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:10:13,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 12:10:13,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:10:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-16 12:10:13,219 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:10:13,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:10:13,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474282317] [2023-12-16 12:10:13,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474282317] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:10:13,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:10:13,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 12:10:13,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565697052] [2023-12-16 12:10:13,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:10:13,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 12:10:13,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:10:13,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 12:10:13,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 12:10:13,221 INFO L87 Difference]: Start difference. First operand 307 states and 474 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-16 12:10:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:10:16,493 INFO L93 Difference]: Finished difference Result 761 states and 1170 transitions. [2023-12-16 12:10:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 12:10:16,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 182 [2023-12-16 12:10:16,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:10:16,510 INFO L225 Difference]: With dead ends: 761 [2023-12-16 12:10:16,510 INFO L226 Difference]: Without dead ends: 683 [2023-12-16 12:10:16,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-12-16 12:10:16,512 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 204 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-16 12:10:16,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 647 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-16 12:10:16,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-12-16 12:10:16,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 381. [2023-12-16 12:10:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 248 states have (on average 1.3387096774193548) internal successors, (332), 250 states have internal predecessors, (332), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 124 states have call predecessors, (126), 126 states have call successors, (126) [2023-12-16 12:10:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 584 transitions. [2023-12-16 12:10:16,604 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 584 transitions. Word has length 182 [2023-12-16 12:10:16,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:10:16,605 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 584 transitions. [2023-12-16 12:10:16,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-16 12:10:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 584 transitions. [2023-12-16 12:10:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-16 12:10:16,609 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:10:16,610 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:10:16,624 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 (5)] Forceful destruction successful, exit code 0 [2023-12-16 12:10:16,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:10:16,824 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:10:16,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:10:16,825 INFO L85 PathProgramCache]: Analyzing trace with hash -496325178, now seen corresponding path program 1 times [2023-12-16 12:10:16,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:10:16,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065440844] [2023-12-16 12:10:16,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:10:16,825 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 12:10:16,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:10:16,827 INFO L229 MonitoredProcess]: Starting monitored process 6 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 12:10:16,832 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 (6)] Waiting until timeout for monitored process [2023-12-16 12:10:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:10:17,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-16 12:10:17,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 12:11:12,503 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:11:12,503 WARN L340 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:11:12,606 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 12:11:12,617 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 (6)] Forceful destruction successful, exit code 0 [2023-12-16 12:11:12,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 12:11:12,809 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 183 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-2-2-1 context. [2023-12-16 12:11:12,813 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 12:11:12,816 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 12:11:12,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:11:12 BoogieIcfgContainer [2023-12-16 12:11:12,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 12:11:12,818 INFO L158 Benchmark]: Toolchain (without parser) took 71772.77ms. Allocated memory is still 251.7MB. Free memory was 201.2MB in the beginning and 77.9MB in the end (delta: 123.3MB). Peak memory consumption was 124.5MB. Max. memory is 8.0GB. [2023-12-16 12:11:12,818 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 188.7MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 12:11:12,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.02ms. Allocated memory is still 251.7MB. Free memory was 200.9MB in the beginning and 184.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 12:11:12,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.67ms. Allocated memory is still 251.7MB. Free memory was 184.7MB in the beginning and 181.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 12:11:12,819 INFO L158 Benchmark]: Boogie Preprocessor took 60.66ms. Allocated memory is still 251.7MB. Free memory was 181.9MB in the beginning and 177.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 12:11:12,820 INFO L158 Benchmark]: RCFGBuilder took 2209.76ms. Allocated memory is still 251.7MB. Free memory was 177.9MB in the beginning and 208.4MB in the end (delta: -30.5MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. [2023-12-16 12:11:12,820 INFO L158 Benchmark]: TraceAbstraction took 69111.83ms. Allocated memory is still 251.7MB. Free memory was 207.3MB in the beginning and 77.9MB in the end (delta: 129.5MB). Peak memory consumption was 129.5MB. Max. memory is 8.0GB. [2023-12-16 12:11:12,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 188.7MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.02ms. Allocated memory is still 251.7MB. Free memory was 200.9MB in the beginning and 184.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.67ms. Allocated memory is still 251.7MB. Free memory was 184.7MB in the beginning and 181.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.66ms. Allocated memory is still 251.7MB. Free memory was 181.9MB in the beginning and 177.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 2209.76ms. Allocated memory is still 251.7MB. Free memory was 177.9MB in the beginning and 208.4MB in the end (delta: -30.5MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. * TraceAbstraction took 69111.83ms. Allocated memory is still 251.7MB. Free memory was 207.3MB in the beginning and 77.9MB in the end (delta: 129.5MB). Peak memory consumption was 129.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 183 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.1s, OverallIterations: 5, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 429 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 429 mSDsluCounter, 1579 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1004 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 406 IncrementalHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 575 mSDtfsCounter, 406 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 726 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 374 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 721 ConstructedInterpolants, 0 QuantifiedInterpolants, 1413 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1225 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6048/6048 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown