/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_amount100_file-40.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 05:11:40,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 05:11:40,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 05:11:40,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 05:11:40,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 05:11:40,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 05:11:40,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 05:11:40,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 05:11:40,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 05:11:40,301 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 05:11:40,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 05:11:40,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 05:11:40,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 05:11:40,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 05:11:40,303 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 05:11:40,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 05:11:40,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 05:11:40,304 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 05:11:40,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 05:11:40,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 05:11:40,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 05:11:40,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 05:11:40,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 05:11:40,306 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 05:11:40,306 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 05:11:40,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 05:11:40,306 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 05:11:40,307 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 05:11:40,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 05:11:40,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 05:11:40,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 05:11:40,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 05:11:40,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 05:11:40,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 05:11:40,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 05:11:40,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 05:11:40,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 05:11:40,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 05:11:40,309 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 05:11:40,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 05:11:40,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 05:11:40,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 05:11:40,312 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 05:11:40,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 05:11:40,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 05:11:40,312 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 05:11:40,312 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 05:11:40,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 05:11:40,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 05:11:40,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 05:11:40,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 05:11:40,551 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 05:11:40,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-40.i [2023-12-24 05:11:41,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 05:11:41,814 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 05:11:41,814 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-40.i [2023-12-24 05:11:41,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ff9de90/c7ad36fc95114ce1bfd1b20ee4c0468c/FLAGc111d0ccc [2023-12-24 05:11:41,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ff9de90/c7ad36fc95114ce1bfd1b20ee4c0468c [2023-12-24 05:11:41,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 05:11:41,845 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 05:11:41,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 05:11:41,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 05:11:41,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 05:11:41,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:11:41" (1/1) ... [2023-12-24 05:11:41,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b378e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:41, skipping insertion in model container [2023-12-24 05:11:41,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:11:41" (1/1) ... [2023-12-24 05:11:41,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 05:11:41,998 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_amount100_file-40.i[916,929] [2023-12-24 05:11:42,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 05:11:42,075 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 05:11:42,084 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_amount100_file-40.i[916,929] [2023-12-24 05:11:42,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 05:11:42,163 INFO L206 MainTranslator]: Completed translation [2023-12-24 05:11:42,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42 WrapperNode [2023-12-24 05:11:42,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 05:11:42,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 05:11:42,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 05:11:42,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 05:11:42,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,213 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-12-24 05:11:42,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 05:11:42,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 05:11:42,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 05:11:42,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 05:11:42,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,249 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-24 05:11:42,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 05:11:42,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 05:11:42,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 05:11:42,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 05:11:42,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (1/1) ... [2023-12-24 05:11:42,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 05:11:42,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 05:11:42,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-24 05:11:42,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-24 05:11:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 05:11:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 05:11:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 05:11:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 05:11:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 05:11:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 05:11:42,459 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 05:11:42,461 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 05:11:52,825 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 05:11:52,869 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 05:11:52,869 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 05:11:52,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:11:52 BoogieIcfgContainer [2023-12-24 05:11:52,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 05:11:52,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 05:11:52,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 05:11:52,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 05:11:52,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 05:11:41" (1/3) ... [2023-12-24 05:11:52,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1087998c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:11:52, skipping insertion in model container [2023-12-24 05:11:52,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:11:42" (2/3) ... [2023-12-24 05:11:52,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1087998c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:11:52, skipping insertion in model container [2023-12-24 05:11:52,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:11:52" (3/3) ... [2023-12-24 05:11:52,876 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-40.i [2023-12-24 05:11:52,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 05:11:52,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 05:11:52,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 05:11:52,933 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;@55642347, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 05:11:52,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 05:11:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 61 states have (on average 1.459016393442623) internal successors, (89), 62 states have internal predecessors, (89), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-24 05:11:52,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-24 05:11:52,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:11:52,954 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:11:52,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:11:52,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:11:52,958 INFO L85 PathProgramCache]: Analyzing trace with hash 389393943, now seen corresponding path program 1 times [2023-12-24 05:11:52,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:11:52,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968985319] [2023-12-24 05:11:52,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:11:52,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 05:11:52,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:11:52,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 05:11:52,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-24 05:11:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:11:53,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 05:11:53,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:11:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1080 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-24 05:11:53,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 05:11:53,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:11:53,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968985319] [2023-12-24 05:11:53,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968985319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 05:11:53,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 05:11:53,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 05:11:53,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793695108] [2023-12-24 05:11:53,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 05:11:53,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 05:11:53,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:11:53,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 05:11:53,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 05:11:53,798 INFO L87 Difference]: Start difference. First operand has 99 states, 61 states have (on average 1.459016393442623) internal successors, (89), 62 states have internal predecessors, (89), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-24 05:11:58,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:11:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:11:58,115 INFO L93 Difference]: Finished difference Result 195 states and 351 transitions. [2023-12-24 05:11:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 05:11:58,203 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 218 [2023-12-24 05:11:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:11:58,212 INFO L225 Difference]: With dead ends: 195 [2023-12-24 05:11:58,212 INFO L226 Difference]: Without dead ends: 97 [2023-12-24 05:11:58,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 05:11:58,218 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-24 05:11:58,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-12-24 05:11:58,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-12-24 05:11:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-12-24 05:11:58,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 60 states have (on average 1.4) internal successors, (84), 60 states have internal predecessors, (84), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-24 05:11:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2023-12-24 05:11:58,261 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 218 [2023-12-24 05:11:58,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:11:58,262 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2023-12-24 05:11:58,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-24 05:11:58,262 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2023-12-24 05:11:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-24 05:11:58,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:11:58,268 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:11:58,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-24 05:11:58,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 05:11:58,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:11:58,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:11:58,475 INFO L85 PathProgramCache]: Analyzing trace with hash -622945915, now seen corresponding path program 1 times [2023-12-24 05:11:58,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:11:58,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383814458] [2023-12-24 05:11:58,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:11:58,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 05:11:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:11:58,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 05:11:58,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-24 05:11:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:11:59,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 05:11:59,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:12:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1254 proven. 204 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2023-12-24 05:12:05,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 05:12:05,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:12:05,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383814458] [2023-12-24 05:12:05,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383814458] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 05:12:05,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1024490017] [2023-12-24 05:12:05,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:12:05,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 05:12:05,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 05:12:06,006 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) [2023-12-24 05:12:06,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-24 05:12:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:12:06,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-24 05:12:06,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:12:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-24 05:12:06,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 05:12:06,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1024490017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 05:12:06,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 05:12:06,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-12-24 05:12:06,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522839480] [2023-12-24 05:12:06,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 05:12:06,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 05:12:06,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:12:06,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 05:12:06,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2023-12-24 05:12:06,862 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-24 05:12:11,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:12:15,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:12:19,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:12:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:12:19,391 INFO L93 Difference]: Finished difference Result 242 states and 383 transitions. [2023-12-24 05:12:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 05:12:19,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 218 [2023-12-24 05:12:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:12:19,394 INFO L225 Difference]: With dead ends: 242 [2023-12-24 05:12:19,394 INFO L226 Difference]: Without dead ends: 146 [2023-12-24 05:12:19,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2023-12-24 05:12:19,396 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 70 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-12-24 05:12:19,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 328 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2023-12-24 05:12:19,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-24 05:12:19,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2023-12-24 05:12:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-24 05:12:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 225 transitions. [2023-12-24 05:12:19,418 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 225 transitions. Word has length 218 [2023-12-24 05:12:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:12:19,419 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 225 transitions. [2023-12-24 05:12:19,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-24 05:12:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 225 transitions. [2023-12-24 05:12:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-24 05:12:19,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:12:19,422 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:12:19,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-24 05:12:19,642 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 [2023-12-24 05:12:19,825 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 [2023-12-24 05:12:19,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:12:19,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:12:19,827 INFO L85 PathProgramCache]: Analyzing trace with hash 636028721, now seen corresponding path program 1 times [2023-12-24 05:12:19,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:12:19,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106575729] [2023-12-24 05:12:19,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:12:19,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 05:12:19,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:12:19,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 05:12:19,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-24 05:12:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:12:20,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-24 05:12:20,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:12:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1254 proven. 204 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2023-12-24 05:12:26,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 05:12:26,909 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:12:26,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106575729] [2023-12-24 05:12:26,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106575729] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 05:12:26,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [42749363] [2023-12-24 05:12:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:12:26,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 05:12:26,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 05:12:26,912 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) [2023-12-24 05:12:26,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-24 05:12:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:12:28,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 05:12:28,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:12:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1254 proven. 204 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2023-12-24 05:12:33,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 05:12:33,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [42749363] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 05:12:33,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 05:12:33,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 14 [2023-12-24 05:12:33,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702304143] [2023-12-24 05:12:33,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 05:12:33,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 05:12:33,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:12:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 05:12:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-12-24 05:12:33,684 INFO L87 Difference]: Start difference. First operand 143 states and 225 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (35), 5 states have call predecessors, (35), 6 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2023-12-24 05:12:40,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:12:44,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:12:48,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:12:52,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:12:56,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:13:00,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:13:04,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:13:08,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:13:12,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:13:13,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:13:13,112 INFO L93 Difference]: Finished difference Result 305 states and 465 transitions. [2023-12-24 05:13:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-24 05:13:13,115 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (35), 5 states have call predecessors, (35), 6 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 219 [2023-12-24 05:13:13,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:13:13,121 INFO L225 Difference]: With dead ends: 305 [2023-12-24 05:13:13,122 INFO L226 Difference]: Without dead ends: 163 [2023-12-24 05:13:13,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2023-12-24 05:13:13,124 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 282 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 90 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2023-12-24 05:13:13,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 330 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 294 Invalid, 9 Unknown, 0 Unchecked, 38.8s Time] [2023-12-24 05:13:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-24 05:13:13,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2023-12-24 05:13:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 107 states have internal predecessors, (144), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-24 05:13:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 236 transitions. [2023-12-24 05:13:13,165 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 236 transitions. Word has length 219 [2023-12-24 05:13:13,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:13:13,166 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 236 transitions. [2023-12-24 05:13:13,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (35), 5 states have call predecessors, (35), 6 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2023-12-24 05:13:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2023-12-24 05:13:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-24 05:13:13,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:13:13,170 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:13:13,209 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 [2023-12-24 05:13:13,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-24 05:13:13,570 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 [2023-12-24 05:13:13,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:13:13,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:13:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash -341095667, now seen corresponding path program 1 times [2023-12-24 05:13:13,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:13:13,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042463502] [2023-12-24 05:13:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:13:13,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 05:13:13,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:13:13,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 05:13:13,575 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 (7)] Waiting until timeout for monitored process [2023-12-24 05:13:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:13:15,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-24 05:13:15,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:15:06,354 WARN L293 SmtUtils]: Spent 17.83s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 05:16:25,926 WARN L293 SmtUtils]: Spent 17.58s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 05:18:01,967 WARN L293 SmtUtils]: Spent 26.22s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 05:18:10,289 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:18:18,571 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:18:26,860 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:18:35,173 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:18:43,462 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:18:51,758 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:00,065 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:08,368 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:16,658 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:24,972 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:33,296 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:41,611 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:49,938 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:19:58,250 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:20:06,558 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:20:15,212 WARN L293 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:20:23,499 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:20:31,753 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:20:40,037 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:20:48,264 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:20:56,544 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:21:04,847 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:21:13,142 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:21:21,445 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:21:29,768 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:21:38,074 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:21:46,377 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:21:54,671 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:22:02,976 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:22:11,296 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:22:19,599 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:22:23,703 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_18~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse6 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse5 ((_ zero_extend 24) c_~var_1_19~0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ zero_extend 24) c_~var_1_21~0)) (.cse7 ((_ zero_extend 24) c_~var_1_22~0))) (and (bvsle .cse0 (_ bv127 32)) (fp.leq c_~var_1_36~0 .cse1) (= (_ bv25 32) c_~var_1_32~0) (bvsge .cse2 (_ bv95 32)) (fp.leq c_~var_1_30~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1)) (fp.leq c_~var_1_40~0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (= c_~var_1_23~0 c_~var_1_18~0) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_30~0 c_~var_1_31~0))) (fp.geq c_~var_1_38~0 .cse3) (bvsle .cse4 (_ bv64 32)) (not (= c_~var_1_16~0 (_ bv0 8))) (fp.geq c_~var_1_37~0 .cse3) (fp.geq c_~var_1_40~0 .cse3) (bvsge .cse5 (_ bv95 32)) (fp.leq c_~var_1_37~0 .cse6) (bvsle .cse2 (_ bv127 32)) (bvsge .cse0 (_ bv1 32)) (fp.leq c_~var_1_39~0 .cse6) (bvsle .cse5 (_ bv127 32)) (fp.leq c_~var_1_38~0 .cse1) (fp.geq c_~var_1_39~0 .cse3) (fp.geq c_~var_1_36~0 .cse3) (fp.geq c_~var_1_30~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (bvsle (bvadd .cse7 (_ bv4 32)) .cse4) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv63 32)) (bvsle .cse7 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_36~0 c_~var_1_37~0)))) (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_38~0 (fp.sub c_currentRoundingMode c_~var_1_39~0 c_~var_1_40~0)))) (.cse8 (fp.gt c_~var_1_30~0 .cse10))) (or (and .cse8 (= c_~var_1_35~0 ((_ to_fp 8 24) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_30~0 .cse9)))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.sub c_currentRoundingMode .cse10 .cse9)) c_~var_1_35~0) (not .cse8))))))) is different from false [2023-12-24 05:22:27,777 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_18~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse6 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse5 ((_ zero_extend 24) c_~var_1_19~0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ zero_extend 24) c_~var_1_21~0)) (.cse7 ((_ zero_extend 24) c_~var_1_22~0))) (and (bvsle .cse0 (_ bv127 32)) (fp.leq c_~var_1_36~0 .cse1) (= (_ bv25 32) c_~var_1_32~0) (bvsge .cse2 (_ bv95 32)) (fp.leq c_~var_1_30~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1)) (fp.leq c_~var_1_40~0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (= c_~var_1_23~0 c_~var_1_18~0) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_30~0 c_~var_1_31~0))) (fp.geq c_~var_1_38~0 .cse3) (bvsle .cse4 (_ bv64 32)) (not (= c_~var_1_16~0 (_ bv0 8))) (fp.geq c_~var_1_37~0 .cse3) (fp.geq c_~var_1_40~0 .cse3) (bvsge .cse5 (_ bv95 32)) (fp.leq c_~var_1_37~0 .cse6) (bvsle .cse2 (_ bv127 32)) (bvsge .cse0 (_ bv1 32)) (fp.leq c_~var_1_39~0 .cse6) (bvsle .cse5 (_ bv127 32)) (fp.leq c_~var_1_38~0 .cse1) (fp.geq c_~var_1_39~0 .cse3) (fp.geq c_~var_1_36~0 .cse3) (fp.geq c_~var_1_30~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (bvsle (bvadd .cse7 (_ bv4 32)) .cse4) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv63 32)) (bvsle .cse7 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_36~0 c_~var_1_37~0)))) (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_38~0 (fp.sub c_currentRoundingMode c_~var_1_39~0 c_~var_1_40~0)))) (.cse8 (fp.gt c_~var_1_30~0 .cse10))) (or (and .cse8 (= c_~var_1_35~0 ((_ to_fp 8 24) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_30~0 .cse9)))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.sub c_currentRoundingMode .cse10 .cse9)) c_~var_1_35~0) (not .cse8))))))) is different from true [2023-12-24 05:22:36,085 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:22:44,401 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:22:52,699 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:01,006 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:09,337 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:17,657 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:25,964 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:34,288 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:42,604 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:50,894 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:23:59,204 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:24:07,534 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:24:15,860 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:24:24,177 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:24:32,486 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:24:40,818 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:24:49,178 WARN L293 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:24:57,503 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:25:05,736 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:25:14,111 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:25:22,315 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:25:30,640 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:25:38,984 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:25:47,348 WARN L293 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:25:55,667 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:26:04,014 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:26:12,349 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-24 05:26:17,014 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 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 05:26:17,014 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 [2023-12-24 05:26:18,051 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 (7)] Forceful destruction successful, exit code 0 [2023-12-24 05:26:18,224 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-24 05:26:18,279 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 137 [2023-12-24 05:26:18,281 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 05:26:18,281 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 221 with TraceHistMax 35,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-24 05:26:18,285 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-24 05:26:18,287 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 05:26:18,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 05:26:18 BoogieIcfgContainer [2023-12-24 05:26:18,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 05:26:18,289 INFO L158 Benchmark]: Toolchain (without parser) took 876444.31ms. Allocated memory is still 349.2MB. Free memory was 301.4MB in the beginning and 275.7MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-24 05:26:18,289 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 198.2MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 05:26:18,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.36ms. Allocated memory is still 349.2MB. Free memory was 301.1MB in the beginning and 284.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-24 05:26:18,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.04ms. Allocated memory is still 349.2MB. Free memory was 284.1MB in the beginning and 281.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 05:26:18,290 INFO L158 Benchmark]: Boogie Preprocessor took 57.19ms. Allocated memory is still 349.2MB. Free memory was 281.0MB in the beginning and 276.4MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-24 05:26:18,290 INFO L158 Benchmark]: RCFGBuilder took 10597.59ms. Allocated memory is still 349.2MB. Free memory was 276.4MB in the beginning and 309.5MB in the end (delta: -33.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-24 05:26:18,290 INFO L158 Benchmark]: TraceAbstraction took 865416.76ms. Allocated memory is still 349.2MB. Free memory was 309.0MB in the beginning and 275.7MB in the end (delta: 33.3MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. [2023-12-24 05:26:18,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 198.2MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 314.36ms. Allocated memory is still 349.2MB. Free memory was 301.1MB in the beginning and 284.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.04ms. Allocated memory is still 349.2MB. Free memory was 284.1MB in the beginning and 281.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.19ms. Allocated memory is still 349.2MB. Free memory was 281.0MB in the beginning and 276.4MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 10597.59ms. Allocated memory is still 349.2MB. Free memory was 276.4MB in the beginning and 309.5MB in the end (delta: -33.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 865416.76ms. Allocated memory is still 349.2MB. Free memory was 309.0MB in the beginning and 275.7MB in the end (delta: 33.3MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 221 with TraceHistMax 35,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 865.4s, OverallIterations: 4, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 56.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 55.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 809 SdHoareTripleChecker+Invalid, 55.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 356 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 317 IncrementalHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 453 mSDtfsCounter, 317 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1157 GetRequests, 1123 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1087 ConstructedInterpolants, 0 QuantifiedInterpolants, 6400 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1732 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 11288/11900 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