/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/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 09:05:13,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 09:05:13,413 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 09:05:13,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 09:05:13,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 09:05:13,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 09:05:13,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 09:05:13,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 09:05:13,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 09:05:13,447 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 09:05:13,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 09:05:13,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 09:05:13,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 09:05:13,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 09:05:13,458 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 09:05:13,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 09:05:13,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 09:05:13,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 09:05:13,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 09:05:13,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 09:05:13,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 09:05:13,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 09:05:13,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 09:05:13,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 09:05:13,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 09:05:13,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 09:05:13,463 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 09:05:13,463 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 09:05:13,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 09:05:13,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 09:05:13,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 09:05:13,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 09:05:13,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 09:05:13,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 09:05:13,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 09:05:13,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 09:05:13,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 09:05:13,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 09:05:13,466 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 09:05:13,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 09:05:13,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 09:05:13,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 09:05:13,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 09:05:13,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 09:05:13,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 09:05:13,468 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 09:05:13,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 09:05:13,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 09:05:13,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 09:05:13,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 09:05:13,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 09:05:13,769 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 09:05:13,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-25 09:05:14,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 09:05:15,220 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 09:05:15,221 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-25 09:05:15,250 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e837de2/eb495448f6d246cdb788030946c8116f/FLAG8e6c3cce6 [2023-12-25 09:05:15,266 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e837de2/eb495448f6d246cdb788030946c8116f [2023-12-25 09:05:15,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 09:05:15,271 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 09:05:15,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 09:05:15,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 09:05:15,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 09:05:15,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 09:05:15" (1/1) ... [2023-12-25 09:05:15,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b678bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:15, skipping insertion in model container [2023-12-25 09:05:15,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 09:05:15" (1/1) ... [2023-12-25 09:05:15,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 09:05:15,658 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2023-12-25 09:05:15,671 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2023-12-25 09:05:15,696 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2023-12-25 09:05:15,710 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2023-12-25 09:05:15,767 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2023-12-25 09:05:15,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 09:05:15,824 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 09:05:15,975 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2023-12-25 09:05:15,986 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2023-12-25 09:05:16,004 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2023-12-25 09:05:16,017 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2023-12-25 09:05:16,069 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2023-12-25 09:05:16,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 09:05:16,132 INFO L206 MainTranslator]: Completed translation [2023-12-25 09:05:16,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16 WrapperNode [2023-12-25 09:05:16,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 09:05:16,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 09:05:16,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 09:05:16,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 09:05:16,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,246 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1615 [2023-12-25 09:05:16,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 09:05:16,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 09:05:16,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 09:05:16,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 09:05:16,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,316 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]. [2023-12-25 09:05:16,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 09:05:16,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 09:05:16,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 09:05:16,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 09:05:16,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (1/1) ... [2023-12-25 09:05:16,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 09:05:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 09:05:16,429 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) [2023-12-25 09:05:16,440 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 [2023-12-25 09:05:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 09:05:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 09:05:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 09:05:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 09:05:16,616 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 09:05:16,621 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 09:05:17,972 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 09:05:18,025 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 09:05:18,025 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 09:05:18,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 09:05:18 BoogieIcfgContainer [2023-12-25 09:05:18,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 09:05:18,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 09:05:18,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 09:05:18,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 09:05:18,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 09:05:15" (1/3) ... [2023-12-25 09:05:18,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce63ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 09:05:18, skipping insertion in model container [2023-12-25 09:05:18,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:05:16" (2/3) ... [2023-12-25 09:05:18,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce63ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 09:05:18, skipping insertion in model container [2023-12-25 09:05:18,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 09:05:18" (3/3) ... [2023-12-25 09:05:18,036 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-25 09:05:18,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 09:05:18,052 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-12-25 09:05:18,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 09:05:18,101 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;@56c66e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 09:05:18,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-12-25 09:05:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 386 states, 380 states have (on average 1.8289473684210527) internal successors, (695), 385 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:18,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-25 09:05:18,124 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:18,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:18,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:18,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:18,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1698524554, now seen corresponding path program 1 times [2023-12-25 09:05:18,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:18,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161328335] [2023-12-25 09:05:18,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:18,143 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 [2023-12-25 09:05:18,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:18,150 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) [2023-12-25 09:05:18,190 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 [2023-12-25 09:05:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:18,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:18,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:18,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:18,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:18,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161328335] [2023-12-25 09:05:18,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161328335] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:18,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:18,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:18,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174971179] [2023-12-25 09:05:18,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:18,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:18,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:18,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:18,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:18,664 INFO L87 Difference]: Start difference. First operand has 386 states, 380 states have (on average 1.8289473684210527) internal successors, (695), 385 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:18,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:18,825 INFO L93 Difference]: Finished difference Result 1129 states and 2036 transitions. [2023-12-25 09:05:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:05:18,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2023-12-25 09:05:18,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:18,846 INFO L225 Difference]: With dead ends: 1129 [2023-12-25 09:05:18,847 INFO L226 Difference]: Without dead ends: 747 [2023-12-25 09:05:18,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:18,856 INFO L413 NwaCegarLoop]: 1214 mSDtfsCounter, 1378 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:18,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1854 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:05:18,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2023-12-25 09:05:18,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 721. [2023-12-25 09:05:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 716 states have (on average 1.4385474860335195) internal successors, (1030), 720 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1030 transitions. [2023-12-25 09:05:18,930 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1030 transitions. Word has length 140 [2023-12-25 09:05:18,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:18,930 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 1030 transitions. [2023-12-25 09:05:18,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1030 transitions. [2023-12-25 09:05:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-25 09:05:18,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:18,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:18,946 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 [2023-12-25 09:05:19,143 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 [2023-12-25 09:05:19,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:19,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1124507116, now seen corresponding path program 1 times [2023-12-25 09:05:19,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:19,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672291988] [2023-12-25 09:05:19,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:19,145 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 [2023-12-25 09:05:19,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:19,148 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) [2023-12-25 09:05:19,160 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 [2023-12-25 09:05:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:19,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:05:19,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:19,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:19,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:19,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672291988] [2023-12-25 09:05:19,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672291988] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:19,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:19,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:19,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028858367] [2023-12-25 09:05:19,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:19,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:05:19,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:19,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:05:19,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:05:19,335 INFO L87 Difference]: Start difference. First operand 721 states and 1030 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:19,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:19,372 INFO L93 Difference]: Finished difference Result 2127 states and 3030 transitions. [2023-12-25 09:05:19,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:05:19,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2023-12-25 09:05:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:19,379 INFO L225 Difference]: With dead ends: 2127 [2023-12-25 09:05:19,380 INFO L226 Difference]: Without dead ends: 1433 [2023-12-25 09:05:19,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:05:19,382 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 540 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:19,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1627 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:19,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2023-12-25 09:05:19,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 723. [2023-12-25 09:05:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 718 states have (on average 1.4373259052924792) internal successors, (1032), 722 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:19,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1032 transitions. [2023-12-25 09:05:19,419 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1032 transitions. Word has length 141 [2023-12-25 09:05:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:19,419 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 1032 transitions. [2023-12-25 09:05:19,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1032 transitions. [2023-12-25 09:05:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-25 09:05:19,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:19,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:19,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:19,628 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 [2023-12-25 09:05:19,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:19,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:19,629 INFO L85 PathProgramCache]: Analyzing trace with hash -972987950, now seen corresponding path program 1 times [2023-12-25 09:05:19,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:19,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119596383] [2023-12-25 09:05:19,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:19,630 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 [2023-12-25 09:05:19,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:19,632 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) [2023-12-25 09:05:19,644 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 [2023-12-25 09:05:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:19,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:19,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:19,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:19,968 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:19,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119596383] [2023-12-25 09:05:19,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119596383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:19,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:19,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:19,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699650155] [2023-12-25 09:05:19,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:19,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:19,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:19,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:19,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:19,973 INFO L87 Difference]: Start difference. First operand 723 states and 1032 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:20,060 INFO L93 Difference]: Finished difference Result 2110 states and 3002 transitions. [2023-12-25 09:05:20,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:20,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2023-12-25 09:05:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:20,067 INFO L225 Difference]: With dead ends: 2110 [2023-12-25 09:05:20,067 INFO L226 Difference]: Without dead ends: 1398 [2023-12-25 09:05:20,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:20,071 INFO L413 NwaCegarLoop]: 947 mSDtfsCounter, 1007 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:20,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 1440 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:05:20,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2023-12-25 09:05:20,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1376. [2023-12-25 09:05:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1371 states have (on average 1.4194018964259665) internal successors, (1946), 1375 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1946 transitions. [2023-12-25 09:05:20,106 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1946 transitions. Word has length 142 [2023-12-25 09:05:20,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:20,106 INFO L495 AbstractCegarLoop]: Abstraction has 1376 states and 1946 transitions. [2023-12-25 09:05:20,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1946 transitions. [2023-12-25 09:05:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-25 09:05:20,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:20,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:20,113 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 [2023-12-25 09:05:20,313 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 [2023-12-25 09:05:20,314 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:20,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash -469636203, now seen corresponding path program 1 times [2023-12-25 09:05:20,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:20,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350863253] [2023-12-25 09:05:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:20,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:05:20,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:20,317 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) [2023-12-25 09:05:20,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 09:05:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:20,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:20,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:20,532 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:20,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350863253] [2023-12-25 09:05:20,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350863253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:20,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:20,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:05:20,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066022633] [2023-12-25 09:05:20,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:20,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:20,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:20,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:20,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:20,540 INFO L87 Difference]: Start difference. First operand 1376 states and 1946 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:20,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:20,580 INFO L93 Difference]: Finished difference Result 2417 states and 3408 transitions. [2023-12-25 09:05:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:20,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2023-12-25 09:05:20,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:20,585 INFO L225 Difference]: With dead ends: 2417 [2023-12-25 09:05:20,585 INFO L226 Difference]: Without dead ends: 1056 [2023-12-25 09:05:20,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:20,588 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 69 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:20,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1681 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2023-12-25 09:05:20,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2023-12-25 09:05:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1051 states have (on average 1.411988582302569) internal successors, (1484), 1055 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1484 transitions. [2023-12-25 09:05:20,613 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1484 transitions. Word has length 142 [2023-12-25 09:05:20,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:20,614 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1484 transitions. [2023-12-25 09:05:20,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1484 transitions. [2023-12-25 09:05:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-25 09:05:20,616 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:20,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:20,628 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 [2023-12-25 09:05:20,820 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 [2023-12-25 09:05:20,822 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:20,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:20,823 INFO L85 PathProgramCache]: Analyzing trace with hash -313081443, now seen corresponding path program 1 times [2023-12-25 09:05:20,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:20,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022352460] [2023-12-25 09:05:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:20,824 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 [2023-12-25 09:05:20,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:20,826 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) [2023-12-25 09:05:20,828 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 [2023-12-25 09:05:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:20,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:20,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:21,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:21,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:21,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022352460] [2023-12-25 09:05:21,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022352460] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:21,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:21,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:21,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060961734] [2023-12-25 09:05:21,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:21,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:21,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:21,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:21,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:21,129 INFO L87 Difference]: Start difference. First operand 1056 states and 1484 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:21,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:21,236 INFO L93 Difference]: Finished difference Result 3064 states and 4289 transitions. [2023-12-25 09:05:21,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:21,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2023-12-25 09:05:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:21,248 INFO L225 Difference]: With dead ends: 3064 [2023-12-25 09:05:21,248 INFO L226 Difference]: Without dead ends: 2042 [2023-12-25 09:05:21,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:21,251 INFO L413 NwaCegarLoop]: 950 mSDtfsCounter, 1005 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:21,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 1452 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:21,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2023-12-25 09:05:21,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2013. [2023-12-25 09:05:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 2008 states have (on average 1.3969123505976095) internal successors, (2805), 2012 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 2805 transitions. [2023-12-25 09:05:21,300 INFO L78 Accepts]: Start accepts. Automaton has 2013 states and 2805 transitions. Word has length 150 [2023-12-25 09:05:21,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:21,300 INFO L495 AbstractCegarLoop]: Abstraction has 2013 states and 2805 transitions. [2023-12-25 09:05:21,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2805 transitions. [2023-12-25 09:05:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-25 09:05:21,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:21,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:21,311 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 [2023-12-25 09:05:21,508 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 [2023-12-25 09:05:21,509 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:21,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash 894750757, now seen corresponding path program 1 times [2023-12-25 09:05:21,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:21,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138386539] [2023-12-25 09:05:21,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:21,510 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 [2023-12-25 09:05:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:21,512 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) [2023-12-25 09:05:21,517 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 [2023-12-25 09:05:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:21,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:21,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:21,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:21,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:21,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138386539] [2023-12-25 09:05:21,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138386539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:21,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:21,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:21,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129230728] [2023-12-25 09:05:21,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:21,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:21,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:21,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:21,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:21,675 INFO L87 Difference]: Start difference. First operand 2013 states and 2805 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:21,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:21,779 INFO L93 Difference]: Finished difference Result 5870 states and 8146 transitions. [2023-12-25 09:05:21,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:21,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2023-12-25 09:05:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:21,792 INFO L225 Difference]: With dead ends: 5870 [2023-12-25 09:05:21,793 INFO L226 Difference]: Without dead ends: 3891 [2023-12-25 09:05:21,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:21,800 INFO L413 NwaCegarLoop]: 928 mSDtfsCounter, 1124 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:21,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 1418 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:05:21,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3891 states. [2023-12-25 09:05:21,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3891 to 3871. [2023-12-25 09:05:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3871 states, 3866 states have (on average 1.3766166580444905) internal successors, (5322), 3870 states have internal predecessors, (5322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 3871 states and 5322 transitions. [2023-12-25 09:05:21,883 INFO L78 Accepts]: Start accepts. Automaton has 3871 states and 5322 transitions. Word has length 151 [2023-12-25 09:05:21,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:21,884 INFO L495 AbstractCegarLoop]: Abstraction has 3871 states and 5322 transitions. [2023-12-25 09:05:21,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:21,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 5322 transitions. [2023-12-25 09:05:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-25 09:05:21,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:21,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:21,896 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 [2023-12-25 09:05:22,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2023-12-25 09:05:22,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:22,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:22,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1780021825, now seen corresponding path program 1 times [2023-12-25 09:05:22,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:22,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374671915] [2023-12-25 09:05:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:22,095 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 [2023-12-25 09:05:22,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:22,097 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2023-12-25 09:05:22,129 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 (8)] Waiting until timeout for monitored process [2023-12-25 09:05:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:22,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:22,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:22,267 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:22,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:22,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374671915] [2023-12-25 09:05:22,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374671915] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:22,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:22,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:05:22,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256955555] [2023-12-25 09:05:22,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:22,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:22,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:22,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:22,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:22,269 INFO L87 Difference]: Start difference. First operand 3871 states and 5322 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:22,360 INFO L93 Difference]: Finished difference Result 5712 states and 7865 transitions. [2023-12-25 09:05:22,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:22,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2023-12-25 09:05:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:22,371 INFO L225 Difference]: With dead ends: 5712 [2023-12-25 09:05:22,372 INFO L226 Difference]: Without dead ends: 3257 [2023-12-25 09:05:22,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:22,376 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 55 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:22,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1666 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:22,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3257 states. [2023-12-25 09:05:22,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3257 to 3257. [2023-12-25 09:05:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 3252 states have (on average 1.3739237392373924) internal successors, (4468), 3256 states have internal predecessors, (4468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:22,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 4468 transitions. [2023-12-25 09:05:22,443 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 4468 transitions. Word has length 152 [2023-12-25 09:05:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:22,443 INFO L495 AbstractCegarLoop]: Abstraction has 3257 states and 4468 transitions. [2023-12-25 09:05:22,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 4468 transitions. [2023-12-25 09:05:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-25 09:05:22,448 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:22,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:22,455 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 (8)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:22,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 [2023-12-25 09:05:22,652 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:22,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:22,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1987710075, now seen corresponding path program 1 times [2023-12-25 09:05:22,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:22,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854453428] [2023-12-25 09:05:22,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:22,654 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 [2023-12-25 09:05:22,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:22,655 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2023-12-25 09:05:22,656 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 (9)] Waiting until timeout for monitored process [2023-12-25 09:05:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:22,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:22,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:22,820 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:22,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:22,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854453428] [2023-12-25 09:05:22,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854453428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:22,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:22,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:05:22,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372914494] [2023-12-25 09:05:22,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:22,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:22,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:22,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:22,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:22,822 INFO L87 Difference]: Start difference. First operand 3257 states and 4468 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:22,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:22,872 INFO L93 Difference]: Finished difference Result 5862 states and 8028 transitions. [2023-12-25 09:05:22,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:22,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2023-12-25 09:05:22,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:22,882 INFO L225 Difference]: With dead ends: 5862 [2023-12-25 09:05:22,882 INFO L226 Difference]: Without dead ends: 2647 [2023-12-25 09:05:22,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:22,887 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 45 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:22,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1652 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:22,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2023-12-25 09:05:22,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2647. [2023-12-25 09:05:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2647 states, 2642 states have (on average 1.3682816048448145) internal successors, (3615), 2646 states have internal predecessors, (3615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3615 transitions. [2023-12-25 09:05:22,946 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3615 transitions. Word has length 152 [2023-12-25 09:05:22,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:22,947 INFO L495 AbstractCegarLoop]: Abstraction has 2647 states and 3615 transitions. [2023-12-25 09:05:22,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3615 transitions. [2023-12-25 09:05:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 09:05:22,951 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:22,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:22,959 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 (9)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:23,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 [2023-12-25 09:05:23,157 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:23,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:23,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1140944532, now seen corresponding path program 1 times [2023-12-25 09:05:23,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:23,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822873478] [2023-12-25 09:05:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:23,158 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 [2023-12-25 09:05:23,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:23,159 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2023-12-25 09:05:23,166 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 (10)] Waiting until timeout for monitored process [2023-12-25 09:05:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:23,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:05:23,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:23,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:23,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:23,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822873478] [2023-12-25 09:05:23,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822873478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:23,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:23,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:05:23,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114891586] [2023-12-25 09:05:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:23,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:05:23,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:23,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:05:23,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:23,667 INFO L87 Difference]: Start difference. First operand 2647 states and 3615 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:23,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:23,913 INFO L93 Difference]: Finished difference Result 4833 states and 6678 transitions. [2023-12-25 09:05:23,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:05:23,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-12-25 09:05:23,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:23,922 INFO L225 Difference]: With dead ends: 4833 [2023-12-25 09:05:23,922 INFO L226 Difference]: Without dead ends: 2647 [2023-12-25 09:05:23,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:05:23,927 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 1417 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:23,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 493 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 09:05:23,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2023-12-25 09:05:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2647. [2023-12-25 09:05:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2647 states, 2642 states have (on average 1.355791067373202) internal successors, (3582), 2646 states have internal predecessors, (3582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3582 transitions. [2023-12-25 09:05:23,981 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3582 transitions. Word has length 160 [2023-12-25 09:05:23,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:23,982 INFO L495 AbstractCegarLoop]: Abstraction has 2647 states and 3582 transitions. [2023-12-25 09:05:23,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3582 transitions. [2023-12-25 09:05:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 09:05:23,986 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:23,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:23,995 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 (10)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:24,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 [2023-12-25 09:05:24,192 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:24,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:24,192 INFO L85 PathProgramCache]: Analyzing trace with hash -363291537, now seen corresponding path program 1 times [2023-12-25 09:05:24,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:24,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742206633] [2023-12-25 09:05:24,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:24,193 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 [2023-12-25 09:05:24,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:24,194 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2023-12-25 09:05:24,199 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 (11)] Waiting until timeout for monitored process [2023-12-25 09:05:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:24,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:05:24,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:24,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:24,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:24,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742206633] [2023-12-25 09:05:24,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742206633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:24,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:24,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:24,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933796203] [2023-12-25 09:05:24,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:24,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:05:24,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:24,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:05:24,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:05:24,507 INFO L87 Difference]: Start difference. First operand 2647 states and 3582 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:24,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:24,576 INFO L93 Difference]: Finished difference Result 6144 states and 8396 transitions. [2023-12-25 09:05:24,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:05:24,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-12-25 09:05:24,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:24,590 INFO L225 Difference]: With dead ends: 6144 [2023-12-25 09:05:24,590 INFO L226 Difference]: Without dead ends: 4101 [2023-12-25 09:05:24,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:05:24,596 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 395 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:24,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1490 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:24,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2023-12-25 09:05:24,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 4067. [2023-12-25 09:05:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4067 states, 4062 states have (on average 1.344411619891679) internal successors, (5461), 4066 states have internal predecessors, (5461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5461 transitions. [2023-12-25 09:05:24,690 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5461 transitions. Word has length 160 [2023-12-25 09:05:24,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:24,691 INFO L495 AbstractCegarLoop]: Abstraction has 4067 states and 5461 transitions. [2023-12-25 09:05:24,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5461 transitions. [2023-12-25 09:05:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 09:05:24,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:24,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:24,704 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 (11)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:24,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 [2023-12-25 09:05:24,905 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:24,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:24,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2048738554, now seen corresponding path program 1 times [2023-12-25 09:05:24,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:24,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197615457] [2023-12-25 09:05:24,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:24,906 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 [2023-12-25 09:05:24,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:24,908 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2023-12-25 09:05:24,944 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 (12)] Waiting until timeout for monitored process [2023-12-25 09:05:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:25,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:05:25,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:25,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:25,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:25,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197615457] [2023-12-25 09:05:25,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197615457] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:25,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:25,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:05:25,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366788194] [2023-12-25 09:05:25,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:25,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:05:25,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:25,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:05:25,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:25,502 INFO L87 Difference]: Start difference. First operand 4067 states and 5461 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:25,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:25,818 INFO L93 Difference]: Finished difference Result 10223 states and 13936 transitions. [2023-12-25 09:05:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:05:25,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-12-25 09:05:25,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:25,840 INFO L225 Difference]: With dead ends: 10223 [2023-12-25 09:05:25,841 INFO L226 Difference]: Without dead ends: 7222 [2023-12-25 09:05:25,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:05:25,848 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 1116 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:25,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 888 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 09:05:25,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2023-12-25 09:05:25,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 7216. [2023-12-25 09:05:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7216 states, 7211 states have (on average 1.3418388573013451) internal successors, (9676), 7215 states have internal predecessors, (9676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7216 states to 7216 states and 9676 transitions. [2023-12-25 09:05:26,008 INFO L78 Accepts]: Start accepts. Automaton has 7216 states and 9676 transitions. Word has length 160 [2023-12-25 09:05:26,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:26,008 INFO L495 AbstractCegarLoop]: Abstraction has 7216 states and 9676 transitions. [2023-12-25 09:05:26,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 7216 states and 9676 transitions. [2023-12-25 09:05:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 09:05:26,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:26,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:26,022 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 (12)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:26,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /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 [2023-12-25 09:05:26,222 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:26,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:26,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1360866203, now seen corresponding path program 1 times [2023-12-25 09:05:26,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:26,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999944815] [2023-12-25 09:05:26,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:26,223 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 [2023-12-25 09:05:26,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:26,224 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2023-12-25 09:05:26,226 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 (13)] Waiting until timeout for monitored process [2023-12-25 09:05:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:26,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:05:26,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:26,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:26,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:26,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999944815] [2023-12-25 09:05:26,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999944815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:26,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:26,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:05:26,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881606927] [2023-12-25 09:05:26,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:26,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:05:26,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:26,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:05:26,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:26,572 INFO L87 Difference]: Start difference. First operand 7216 states and 9676 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:26,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:26,785 INFO L93 Difference]: Finished difference Result 10271 states and 13938 transitions. [2023-12-25 09:05:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:05:26,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-12-25 09:05:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:26,794 INFO L225 Difference]: With dead ends: 10271 [2023-12-25 09:05:26,794 INFO L226 Difference]: Without dead ends: 4067 [2023-12-25 09:05:26,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:05:26,804 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 955 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:26,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 497 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 09:05:26,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4067 states. [2023-12-25 09:05:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4067 to 4067. [2023-12-25 09:05:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4067 states, 4062 states have (on average 1.3318562284588873) internal successors, (5410), 4066 states have internal predecessors, (5410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:26,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5410 transitions. [2023-12-25 09:05:26,874 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5410 transitions. Word has length 160 [2023-12-25 09:05:26,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:26,874 INFO L495 AbstractCegarLoop]: Abstraction has 4067 states and 5410 transitions. [2023-12-25 09:05:26,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:26,874 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5410 transitions. [2023-12-25 09:05:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 09:05:26,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:26,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:26,887 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 (13)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:27,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /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 [2023-12-25 09:05:27,085 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:27,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:27,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1298266047, now seen corresponding path program 1 times [2023-12-25 09:05:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:27,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260427889] [2023-12-25 09:05:27,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:27,086 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 [2023-12-25 09:05:27,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:27,087 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2023-12-25 09:05:27,088 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 (14)] Waiting until timeout for monitored process [2023-12-25 09:05:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:27,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:27,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:27,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:27,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:27,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260427889] [2023-12-25 09:05:27,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260427889] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:27,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:27,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:27,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524846762] [2023-12-25 09:05:27,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:27,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:27,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:27,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:27,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:27,391 INFO L87 Difference]: Start difference. First operand 4067 states and 5410 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:27,459 INFO L93 Difference]: Finished difference Result 8224 states and 10895 transitions. [2023-12-25 09:05:27,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:27,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-12-25 09:05:27,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:27,469 INFO L225 Difference]: With dead ends: 8224 [2023-12-25 09:05:27,469 INFO L226 Difference]: Without dead ends: 4241 [2023-12-25 09:05:27,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:27,477 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 978 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:27,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 1377 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:27,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4241 states. [2023-12-25 09:05:27,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4241 to 4168. [2023-12-25 09:05:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4168 states, 4163 states have (on average 1.3223636800384337) internal successors, (5505), 4167 states have internal predecessors, (5505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 5505 transitions. [2023-12-25 09:05:27,572 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 5505 transitions. Word has length 160 [2023-12-25 09:05:27,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:27,572 INFO L495 AbstractCegarLoop]: Abstraction has 4168 states and 5505 transitions. [2023-12-25 09:05:27,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 5505 transitions. [2023-12-25 09:05:27,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-25 09:05:27,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:27,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:27,586 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 (14)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:27,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /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 [2023-12-25 09:05:27,783 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:27,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash -794644393, now seen corresponding path program 1 times [2023-12-25 09:05:27,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:27,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164027389] [2023-12-25 09:05:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:27,784 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 [2023-12-25 09:05:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:27,785 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2023-12-25 09:05:27,786 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 (15)] Waiting until timeout for monitored process [2023-12-25 09:05:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:27,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:27,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:27,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:27,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:27,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164027389] [2023-12-25 09:05:27,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164027389] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:27,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:27,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:27,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802280683] [2023-12-25 09:05:27,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:27,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:27,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:27,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:27,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:27,934 INFO L87 Difference]: Start difference. First operand 4168 states and 5505 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:28,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:28,012 INFO L93 Difference]: Finished difference Result 10600 states and 13955 transitions. [2023-12-25 09:05:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:28,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2023-12-25 09:05:28,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:28,024 INFO L225 Difference]: With dead ends: 10600 [2023-12-25 09:05:28,024 INFO L226 Difference]: Without dead ends: 6584 [2023-12-25 09:05:28,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:28,029 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 1104 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:28,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 1361 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2023-12-25 09:05:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6550. [2023-12-25 09:05:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6550 states, 6545 states have (on average 1.2991596638655463) internal successors, (8503), 6549 states have internal predecessors, (8503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8503 transitions. [2023-12-25 09:05:28,124 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8503 transitions. Word has length 161 [2023-12-25 09:05:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:28,124 INFO L495 AbstractCegarLoop]: Abstraction has 6550 states and 8503 transitions. [2023-12-25 09:05:28,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8503 transitions. [2023-12-25 09:05:28,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-25 09:05:28,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:28,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:28,137 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 (15)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:28,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /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 [2023-12-25 09:05:28,337 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:28,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:28,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1746643434, now seen corresponding path program 1 times [2023-12-25 09:05:28,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:28,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898648521] [2023-12-25 09:05:28,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:28,338 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 [2023-12-25 09:05:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:28,339 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2023-12-25 09:05:28,341 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 (16)] Waiting until timeout for monitored process [2023-12-25 09:05:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:28,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 09:05:28,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:28,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:28,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:28,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898648521] [2023-12-25 09:05:28,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898648521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:28,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:28,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:05:28,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811067620] [2023-12-25 09:05:28,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:28,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 09:05:28,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:28,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 09:05:28,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 09:05:28,503 INFO L87 Difference]: Start difference. First operand 6550 states and 8503 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:28,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:28,545 INFO L93 Difference]: Finished difference Result 9232 states and 12002 transitions. [2023-12-25 09:05:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 09:05:28,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-12-25 09:05:28,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:28,555 INFO L225 Difference]: With dead ends: 9232 [2023-12-25 09:05:28,556 INFO L226 Difference]: Without dead ends: 5666 [2023-12-25 09:05:28,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:05:28,561 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 23 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:28,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1591 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 09:05:28,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5666 states. [2023-12-25 09:05:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5666 to 5666. [2023-12-25 09:05:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5666 states, 5661 states have (on average 1.2976505917682388) internal successors, (7346), 5665 states have internal predecessors, (7346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5666 states to 5666 states and 7346 transitions. [2023-12-25 09:05:28,635 INFO L78 Accepts]: Start accepts. Automaton has 5666 states and 7346 transitions. Word has length 168 [2023-12-25 09:05:28,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:28,636 INFO L495 AbstractCegarLoop]: Abstraction has 5666 states and 7346 transitions. [2023-12-25 09:05:28,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 5666 states and 7346 transitions. [2023-12-25 09:05:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:05:28,644 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:28,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:28,648 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 (16)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:28,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /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 [2023-12-25 09:05:28,848 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:28,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:28,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1687845981, now seen corresponding path program 1 times [2023-12-25 09:05:28,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:28,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814733756] [2023-12-25 09:05:28,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:28,849 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 [2023-12-25 09:05:28,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:28,850 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2023-12-25 09:05:28,851 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 (17)] Waiting until timeout for monitored process [2023-12-25 09:05:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:29,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:05:29,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:29,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:29,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:29,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814733756] [2023-12-25 09:05:29,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814733756] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:29,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:29,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:05:29,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746039297] [2023-12-25 09:05:29,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:29,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:05:29,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:29,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:05:29,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:05:29,197 INFO L87 Difference]: Start difference. First operand 5666 states and 7346 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:29,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:29,348 INFO L93 Difference]: Finished difference Result 10721 states and 14511 transitions. [2023-12-25 09:05:29,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:05:29,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:05:29,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:29,364 INFO L225 Difference]: With dead ends: 10721 [2023-12-25 09:05:29,364 INFO L226 Difference]: Without dead ends: 8831 [2023-12-25 09:05:29,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:05:29,370 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 287 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:29,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 996 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:05:29,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8831 states. [2023-12-25 09:05:29,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8831 to 8761. [2023-12-25 09:05:29,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8761 states, 8756 states have (on average 1.3237779808131567) internal successors, (11591), 8760 states have internal predecessors, (11591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8761 states to 8761 states and 11591 transitions. [2023-12-25 09:05:29,536 INFO L78 Accepts]: Start accepts. Automaton has 8761 states and 11591 transitions. Word has length 170 [2023-12-25 09:05:29,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:29,537 INFO L495 AbstractCegarLoop]: Abstraction has 8761 states and 11591 transitions. [2023-12-25 09:05:29,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:29,537 INFO L276 IsEmpty]: Start isEmpty. Operand 8761 states and 11591 transitions. [2023-12-25 09:05:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:05:29,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:29,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:29,556 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 (17)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:29,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /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 [2023-12-25 09:05:29,755 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:29,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:29,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1687415005, now seen corresponding path program 1 times [2023-12-25 09:05:29,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:29,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129645028] [2023-12-25 09:05:29,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:29,756 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 [2023-12-25 09:05:29,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:29,757 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2023-12-25 09:05:29,758 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 (18)] Waiting until timeout for monitored process [2023-12-25 09:05:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:29,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-25 09:05:29,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:31,675 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:31,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:31,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129645028] [2023-12-25 09:05:31,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129645028] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:31,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:31,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 09:05:31,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765378437] [2023-12-25 09:05:31,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:31,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 09:05:31,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:31,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 09:05:31,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-25 09:05:31,678 INFO L87 Difference]: Start difference. First operand 8761 states and 11591 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:33,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:33,406 INFO L93 Difference]: Finished difference Result 23966 states and 32721 transitions. [2023-12-25 09:05:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:05:33,406 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:05:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:33,441 INFO L225 Difference]: With dead ends: 23966 [2023-12-25 09:05:33,442 INFO L226 Difference]: Without dead ends: 19754 [2023-12-25 09:05:33,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-12-25 09:05:33,455 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 4746 mSDsluCounter, 3624 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4746 SdHoareTripleChecker+Valid, 4351 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:33,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4746 Valid, 4351 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-25 09:05:33,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19754 states. [2023-12-25 09:05:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19754 to 14307. [2023-12-25 09:05:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14307 states, 14302 states have (on average 1.3319116207523423) internal successors, (19049), 14306 states have internal predecessors, (19049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14307 states to 14307 states and 19049 transitions. [2023-12-25 09:05:33,723 INFO L78 Accepts]: Start accepts. Automaton has 14307 states and 19049 transitions. Word has length 170 [2023-12-25 09:05:33,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:33,723 INFO L495 AbstractCegarLoop]: Abstraction has 14307 states and 19049 transitions. [2023-12-25 09:05:33,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:33,723 INFO L276 IsEmpty]: Start isEmpty. Operand 14307 states and 19049 transitions. [2023-12-25 09:05:33,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:05:33,744 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:33,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:33,755 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 (18)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:33,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /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 [2023-12-25 09:05:33,949 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:33,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:33,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1687493654, now seen corresponding path program 1 times [2023-12-25 09:05:33,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:33,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731762074] [2023-12-25 09:05:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:33,951 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 [2023-12-25 09:05:33,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:33,952 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2023-12-25 09:05:33,953 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 (19)] Waiting until timeout for monitored process [2023-12-25 09:05:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:34,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-25 09:05:34,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:35,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:35,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:35,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731762074] [2023-12-25 09:05:35,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731762074] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:35,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:35,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 09:05:35,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326071450] [2023-12-25 09:05:35,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:35,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 09:05:35,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:35,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 09:05:35,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-12-25 09:05:35,595 INFO L87 Difference]: Start difference. First operand 14307 states and 19049 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:37,084 INFO L93 Difference]: Finished difference Result 36320 states and 49043 transitions. [2023-12-25 09:05:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:05:37,085 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:05:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:37,138 INFO L225 Difference]: With dead ends: 36320 [2023-12-25 09:05:37,138 INFO L226 Difference]: Without dead ends: 28444 [2023-12-25 09:05:37,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:05:37,158 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 2602 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2602 SdHoareTripleChecker+Valid, 4470 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:37,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2602 Valid, 4470 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-25 09:05:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28444 states. [2023-12-25 09:05:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28444 to 21911. [2023-12-25 09:05:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21911 states, 21906 states have (on average 1.3124714690039259) internal successors, (28751), 21910 states have internal predecessors, (28751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21911 states to 21911 states and 28751 transitions. [2023-12-25 09:05:37,536 INFO L78 Accepts]: Start accepts. Automaton has 21911 states and 28751 transitions. Word has length 170 [2023-12-25 09:05:37,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:37,536 INFO L495 AbstractCegarLoop]: Abstraction has 21911 states and 28751 transitions. [2023-12-25 09:05:37,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 21911 states and 28751 transitions. [2023-12-25 09:05:37,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:05:37,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:37,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:37,566 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 (19)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:37,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /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 [2023-12-25 09:05:37,761 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:37,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:37,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1026916521, now seen corresponding path program 1 times [2023-12-25 09:05:37,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:37,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313262451] [2023-12-25 09:05:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:37,762 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 [2023-12-25 09:05:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:37,763 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2023-12-25 09:05:37,764 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 (20)] Waiting until timeout for monitored process [2023-12-25 09:05:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:37,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-25 09:05:37,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:05:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:05:42,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:05:42,317 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:05:42,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313262451] [2023-12-25 09:05:42,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313262451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:05:42,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:05:42,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2023-12-25 09:05:42,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676377535] [2023-12-25 09:05:42,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:05:42,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-25 09:05:42,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:05:42,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-25 09:05:42,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-25 09:05:42,320 INFO L87 Difference]: Start difference. First operand 21911 states and 28751 transitions. Second operand has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:05:58,119 INFO L93 Difference]: Finished difference Result 34884 states and 46679 transitions. [2023-12-25 09:05:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-25 09:05:58,121 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:05:58,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:05:58,168 INFO L225 Difference]: With dead ends: 34884 [2023-12-25 09:05:58,168 INFO L226 Difference]: Without dead ends: 32378 [2023-12-25 09:05:58,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=638, Invalid=3918, Unknown=0, NotChecked=0, Total=4556 [2023-12-25 09:05:58,182 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 3888 mSDsluCounter, 17450 mSDsCounter, 0 mSdLazyCounter, 6122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3888 SdHoareTripleChecker+Valid, 18650 SdHoareTripleChecker+Invalid, 6135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 6122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:05:58,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3888 Valid, 18650 Invalid, 6135 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 6122 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-12-25 09:05:58,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32378 states. [2023-12-25 09:05:58,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32378 to 25126. [2023-12-25 09:05:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25126 states, 25121 states have (on average 1.3123283308785478) internal successors, (32967), 25125 states have internal predecessors, (32967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25126 states to 25126 states and 32967 transitions. [2023-12-25 09:05:58,576 INFO L78 Accepts]: Start accepts. Automaton has 25126 states and 32967 transitions. Word has length 170 [2023-12-25 09:05:58,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:05:58,577 INFO L495 AbstractCegarLoop]: Abstraction has 25126 states and 32967 transitions. [2023-12-25 09:05:58,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:05:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 25126 states and 32967 transitions. [2023-12-25 09:05:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:05:58,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:05:58,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:05:58,696 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 (20)] Forceful destruction successful, exit code 0 [2023-12-25 09:05:58,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /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 [2023-12-25 09:05:58,889 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:05:58,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:05:58,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1349303012, now seen corresponding path program 1 times [2023-12-25 09:05:58,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:05:58,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867173318] [2023-12-25 09:05:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:05:58,890 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 [2023-12-25 09:05:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:05:58,891 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2023-12-25 09:05:58,893 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 (21)] Waiting until timeout for monitored process [2023-12-25 09:05:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:05:59,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-25 09:05:59,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:06:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:06:00,182 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:06:00,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:06:00,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867173318] [2023-12-25 09:06:00,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867173318] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:06:00,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:06:00,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 09:06:00,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940838677] [2023-12-25 09:06:00,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:06:00,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 09:06:00,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:06:00,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 09:06:00,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-25 09:06:00,184 INFO L87 Difference]: Start difference. First operand 25126 states and 32967 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:01,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:06:01,937 INFO L93 Difference]: Finished difference Result 35334 states and 47618 transitions. [2023-12-25 09:06:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:06:01,938 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:06:01,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:06:01,970 INFO L225 Difference]: With dead ends: 35334 [2023-12-25 09:06:01,970 INFO L226 Difference]: Without dead ends: 27148 [2023-12-25 09:06:01,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-12-25 09:06:01,989 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 3391 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3391 SdHoareTripleChecker+Valid, 4251 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:06:01,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3391 Valid, 4251 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-25 09:06:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27148 states. [2023-12-25 09:06:02,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27148 to 20414. [2023-12-25 09:06:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20414 states, 20409 states have (on average 1.2730658043020235) internal successors, (25982), 20413 states have internal predecessors, (25982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:02,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20414 states to 20414 states and 25982 transitions. [2023-12-25 09:06:02,333 INFO L78 Accepts]: Start accepts. Automaton has 20414 states and 25982 transitions. Word has length 170 [2023-12-25 09:06:02,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:06:02,333 INFO L495 AbstractCegarLoop]: Abstraction has 20414 states and 25982 transitions. [2023-12-25 09:06:02,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 20414 states and 25982 transitions. [2023-12-25 09:06:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:06:02,348 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:06:02,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:06:02,352 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 (21)] Forceful destruction successful, exit code 0 [2023-12-25 09:06:02,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /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 [2023-12-25 09:06:02,549 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:06:02,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:06:02,550 INFO L85 PathProgramCache]: Analyzing trace with hash -617238689, now seen corresponding path program 1 times [2023-12-25 09:06:02,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:06:02,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114386780] [2023-12-25 09:06:02,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:06:02,551 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 [2023-12-25 09:06:02,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:06:02,552 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2023-12-25 09:06:02,554 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 (22)] Waiting until timeout for monitored process [2023-12-25 09:06:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:06:02,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-25 09:06:02,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:06:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:06:05,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:06:05,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:06:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114386780] [2023-12-25 09:06:05,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114386780] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:06:05,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:06:05,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-25 09:06:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718367464] [2023-12-25 09:06:05,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:06:05,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 09:06:05,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:06:05,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 09:06:05,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-12-25 09:06:05,467 INFO L87 Difference]: Start difference. First operand 20414 states and 25982 transitions. Second operand has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:06:19,513 INFO L93 Difference]: Finished difference Result 32754 states and 42439 transitions. [2023-12-25 09:06:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-25 09:06:19,514 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:06:19,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:06:19,539 INFO L225 Difference]: With dead ends: 32754 [2023-12-25 09:06:19,539 INFO L226 Difference]: Without dead ends: 30157 [2023-12-25 09:06:19,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1382 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=883, Invalid=4229, Unknown=0, NotChecked=0, Total=5112 [2023-12-25 09:06:19,546 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 5142 mSDsluCounter, 14336 mSDsCounter, 0 mSdLazyCounter, 4313 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5142 SdHoareTripleChecker+Valid, 15313 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 4313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:06:19,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5142 Valid, 15313 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 4313 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-12-25 09:06:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30157 states. [2023-12-25 09:06:19,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30157 to 21971. [2023-12-25 09:06:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21971 states, 21966 states have (on average 1.265956478193572) internal successors, (27808), 21970 states have internal predecessors, (27808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21971 states to 21971 states and 27808 transitions. [2023-12-25 09:06:19,794 INFO L78 Accepts]: Start accepts. Automaton has 21971 states and 27808 transitions. Word has length 170 [2023-12-25 09:06:19,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:06:19,794 INFO L495 AbstractCegarLoop]: Abstraction has 21971 states and 27808 transitions. [2023-12-25 09:06:19,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21971 states and 27808 transitions. [2023-12-25 09:06:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:06:19,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:06:19,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:06:19,816 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 (22)] Forceful destruction successful, exit code 0 [2023-12-25 09:06:20,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /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 [2023-12-25 09:06:20,016 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:06:20,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:06:20,016 INFO L85 PathProgramCache]: Analyzing trace with hash 754482051, now seen corresponding path program 1 times [2023-12-25 09:06:20,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:06:20,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393200869] [2023-12-25 09:06:20,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:06:20,017 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 [2023-12-25 09:06:20,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:06:20,018 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2023-12-25 09:06:20,018 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 (23)] Waiting until timeout for monitored process [2023-12-25 09:06:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:06:20,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-25 09:06:20,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:06:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:06:22,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:06:22,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:06:22,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393200869] [2023-12-25 09:06:22,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393200869] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:06:22,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:06:22,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-25 09:06:22,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856327014] [2023-12-25 09:06:22,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:06:22,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-25 09:06:22,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:06:22,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-25 09:06:22,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2023-12-25 09:06:22,569 INFO L87 Difference]: Start difference. First operand 21971 states and 27808 transitions. Second operand has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:28,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:06:28,287 INFO L93 Difference]: Finished difference Result 28468 states and 36336 transitions. [2023-12-25 09:06:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-25 09:06:28,289 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:06:28,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:06:28,314 INFO L225 Difference]: With dead ends: 28468 [2023-12-25 09:06:28,315 INFO L226 Difference]: Without dead ends: 24481 [2023-12-25 09:06:28,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=333, Invalid=1149, Unknown=0, NotChecked=0, Total=1482 [2023-12-25 09:06:28,323 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 3095 mSDsluCounter, 6828 mSDsCounter, 0 mSdLazyCounter, 2145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 7604 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:06:28,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 7604 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2145 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-25 09:06:28,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24481 states. [2023-12-25 09:06:28,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24481 to 22101. [2023-12-25 09:06:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22101 states, 22096 states have (on average 1.265658942795076) internal successors, (27966), 22100 states have internal predecessors, (27966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22101 states to 22101 states and 27966 transitions. [2023-12-25 09:06:28,535 INFO L78 Accepts]: Start accepts. Automaton has 22101 states and 27966 transitions. Word has length 170 [2023-12-25 09:06:28,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:06:28,536 INFO L495 AbstractCegarLoop]: Abstraction has 22101 states and 27966 transitions. [2023-12-25 09:06:28,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:06:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 22101 states and 27966 transitions. [2023-12-25 09:06:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:06:28,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:06:28,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:06:28,561 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 (23)] Forceful destruction successful, exit code 0 [2023-12-25 09:06:28,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /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 [2023-12-25 09:06:28,761 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:06:28,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:06:28,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1513083237, now seen corresponding path program 1 times [2023-12-25 09:06:28,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:06:28,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097203724] [2023-12-25 09:06:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:06:28,763 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 [2023-12-25 09:06:28,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:06:28,764 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2023-12-25 09:06:28,766 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 (24)] Waiting until timeout for monitored process [2023-12-25 09:06:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:06:28,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-25 09:06:28,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:06:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:06:33,361 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:06:33,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:06:33,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097203724] [2023-12-25 09:06:33,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097203724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:06:33,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:06:33,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-25 09:06:33,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924766344] [2023-12-25 09:06:33,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:06:33,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 09:06:33,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:06:33,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 09:06:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2023-12-25 09:06:33,363 INFO L87 Difference]: Start difference. First operand 22101 states and 27966 transitions. Second operand has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:10:15,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:10:59,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:11:01,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:11:05,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:11:10,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:11:11,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:11:26,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:11:54,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:11:56,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:12:00,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:12:28,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:12:28,368 INFO L93 Difference]: Finished difference Result 29392 states and 37263 transitions. [2023-12-25 09:12:28,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-25 09:12:28,369 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:12:28,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:12:28,397 INFO L225 Difference]: With dead ends: 29392 [2023-12-25 09:12:28,397 INFO L226 Difference]: Without dead ends: 27730 [2023-12-25 09:12:28,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 272.0s TimeCoverageRelationStatistics Valid=660, Invalid=2711, Unknown=51, NotChecked=0, Total=3422 [2023-12-25 09:12:28,404 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 4333 mSDsluCounter, 9532 mSDsCounter, 0 mSdLazyCounter, 2780 mSolverCounterSat, 8 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4333 SdHoareTripleChecker+Valid, 10579 SdHoareTripleChecker+Invalid, 2792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2780 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:12:28,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4333 Valid, 10579 Invalid, 2792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2780 Invalid, 4 Unknown, 0 Unchecked, 84.0s Time] [2023-12-25 09:12:28,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27730 states. [2023-12-25 09:12:28,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27730 to 24275. [2023-12-25 09:12:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24275 states, 24270 states have (on average 1.2557066337041616) internal successors, (30476), 24274 states have internal predecessors, (30476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24275 states to 24275 states and 30476 transitions. [2023-12-25 09:12:28,658 INFO L78 Accepts]: Start accepts. Automaton has 24275 states and 30476 transitions. Word has length 170 [2023-12-25 09:12:28,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:12:28,659 INFO L495 AbstractCegarLoop]: Abstraction has 24275 states and 30476 transitions. [2023-12-25 09:12:28,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 24275 states and 30476 transitions. [2023-12-25 09:12:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:12:28,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:12:28,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:12:28,687 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 (24)] Forceful destruction successful, exit code 0 [2023-12-25 09:12:28,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /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 [2023-12-25 09:12:28,884 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:12:28,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:12:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1353563766, now seen corresponding path program 1 times [2023-12-25 09:12:28,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:12:28,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184152778] [2023-12-25 09:12:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:12:28,886 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 [2023-12-25 09:12:28,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:12:28,887 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2023-12-25 09:12:28,888 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 (25)] Waiting until timeout for monitored process [2023-12-25 09:12:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:12:29,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 09:12:29,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:12:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:12:29,815 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:12:29,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:12:29,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184152778] [2023-12-25 09:12:29,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184152778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:12:29,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:12:29,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 09:12:29,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948205311] [2023-12-25 09:12:29,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:12:29,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 09:12:29,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:12:29,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 09:12:29,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-25 09:12:29,817 INFO L87 Difference]: Start difference. First operand 24275 states and 30476 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:31,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:12:31,486 INFO L93 Difference]: Finished difference Result 51528 states and 66257 transitions. [2023-12-25 09:12:31,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:12:31,486 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:12:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:12:31,531 INFO L225 Difference]: With dead ends: 51528 [2023-12-25 09:12:31,531 INFO L226 Difference]: Without dead ends: 42023 [2023-12-25 09:12:31,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2023-12-25 09:12:31,549 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 3448 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3448 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:12:31,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3448 Valid, 2420 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 09:12:31,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42023 states. [2023-12-25 09:12:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42023 to 38621. [2023-12-25 09:12:31,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38621 states, 38616 states have (on average 1.2556712243629584) internal successors, (48489), 38620 states have internal predecessors, (48489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38621 states to 38621 states and 48489 transitions. [2023-12-25 09:12:32,024 INFO L78 Accepts]: Start accepts. Automaton has 38621 states and 48489 transitions. Word has length 170 [2023-12-25 09:12:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:12:32,024 INFO L495 AbstractCegarLoop]: Abstraction has 38621 states and 48489 transitions. [2023-12-25 09:12:32,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 38621 states and 48489 transitions. [2023-12-25 09:12:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:12:32,053 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:12:32,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:12:32,057 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 (25)] Forceful destruction successful, exit code 0 [2023-12-25 09:12:32,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /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 [2023-12-25 09:12:32,254 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:12:32,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:12:32,255 INFO L85 PathProgramCache]: Analyzing trace with hash -340273340, now seen corresponding path program 1 times [2023-12-25 09:12:32,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:12:32,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113742137] [2023-12-25 09:12:32,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:12:32,256 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 [2023-12-25 09:12:32,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:12:32,257 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2023-12-25 09:12:32,258 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 (26)] Waiting until timeout for monitored process [2023-12-25 09:12:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:12:32,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:12:32,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:12:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:12:32,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:12:32,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:12:32,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113742137] [2023-12-25 09:12:32,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113742137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:12:32,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:12:32,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:12:32,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846493644] [2023-12-25 09:12:32,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:12:32,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:12:32,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:12:32,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:12:32,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:12:32,863 INFO L87 Difference]: Start difference. First operand 38621 states and 48489 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:33,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:12:33,264 INFO L93 Difference]: Finished difference Result 83684 states and 106342 transitions. [2023-12-25 09:12:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:12:33,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:12:33,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:12:33,332 INFO L225 Difference]: With dead ends: 83684 [2023-12-25 09:12:33,332 INFO L226 Difference]: Without dead ends: 55905 [2023-12-25 09:12:33,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:12:33,365 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 733 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:12:33,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1137 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 09:12:33,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55905 states. [2023-12-25 09:12:34,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55905 to 54937. [2023-12-25 09:12:34,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54937 states, 54932 states have (on average 1.2583739896599433) internal successors, (69125), 54936 states have internal predecessors, (69125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54937 states to 54937 states and 69125 transitions. [2023-12-25 09:12:34,468 INFO L78 Accepts]: Start accepts. Automaton has 54937 states and 69125 transitions. Word has length 170 [2023-12-25 09:12:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:12:34,468 INFO L495 AbstractCegarLoop]: Abstraction has 54937 states and 69125 transitions. [2023-12-25 09:12:34,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 54937 states and 69125 transitions. [2023-12-25 09:12:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:12:34,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:12:34,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:12:34,509 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 (26)] Forceful destruction successful, exit code 0 [2023-12-25 09:12:34,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /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 [2023-12-25 09:12:34,704 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:12:34,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:12:34,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1343352952, now seen corresponding path program 1 times [2023-12-25 09:12:34,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:12:34,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916882442] [2023-12-25 09:12:34,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:12:34,706 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 [2023-12-25 09:12:34,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:12:34,707 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2023-12-25 09:12:34,708 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 (27)] Waiting until timeout for monitored process [2023-12-25 09:12:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:12:34,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 09:12:34,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:12:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:12:35,772 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:12:35,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:12:35,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916882442] [2023-12-25 09:12:35,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916882442] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:12:35,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:12:35,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-25 09:12:35,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405378579] [2023-12-25 09:12:35,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:12:35,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 09:12:35,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:12:35,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 09:12:35,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-25 09:12:35,777 INFO L87 Difference]: Start difference. First operand 54937 states and 69125 transitions. Second operand has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:12:38,712 INFO L93 Difference]: Finished difference Result 118041 states and 153547 transitions. [2023-12-25 09:12:38,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-25 09:12:38,713 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-12-25 09:12:38,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:12:38,843 INFO L225 Difference]: With dead ends: 118041 [2023-12-25 09:12:38,843 INFO L226 Difference]: Without dead ends: 109585 [2023-12-25 09:12:38,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2023-12-25 09:12:38,866 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 4626 mSDsluCounter, 8750 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4626 SdHoareTripleChecker+Valid, 9664 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:12:38,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4626 Valid, 9664 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-25 09:12:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109585 states. [2023-12-25 09:12:40,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109585 to 62725. [2023-12-25 09:12:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62725 states, 62720 states have (on average 1.2480229591836736) internal successors, (78276), 62724 states have internal predecessors, (78276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62725 states to 62725 states and 78276 transitions. [2023-12-25 09:12:40,163 INFO L78 Accepts]: Start accepts. Automaton has 62725 states and 78276 transitions. Word has length 170 [2023-12-25 09:12:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:12:40,163 INFO L495 AbstractCegarLoop]: Abstraction has 62725 states and 78276 transitions. [2023-12-25 09:12:40,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:12:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 62725 states and 78276 transitions. [2023-12-25 09:12:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-25 09:12:40,373 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:12:40,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:12:40,388 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 (27)] Forceful destruction successful, exit code 0 [2023-12-25 09:12:40,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /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 [2023-12-25 09:12:40,585 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-25 09:12:40,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:12:40,585 INFO L85 PathProgramCache]: Analyzing trace with hash 993856680, now seen corresponding path program 1 times [2023-12-25 09:12:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:12:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783072172] [2023-12-25 09:12:40,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:12:40,586 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 [2023-12-25 09:12:40,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:12:40,587 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2023-12-25 09:12:40,588 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 (28)] Waiting until timeout for monitored process [2023-12-25 09:12:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:12:40,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-25 09:12:40,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:12:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:12:45,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:12:45,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:12:45,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783072172] [2023-12-25 09:12:45,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783072172] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:12:45,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:12:45,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-25 09:12:45,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255744335] [2023-12-25 09:12:45,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:12:45,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 09:12:45,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:12:45,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 09:12:45,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2023-12-25 09:12:45,781 INFO L87 Difference]: Start difference. First operand 62725 states and 78276 transitions. Second operand has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:19:14,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 09:19:28,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] Received shutdown request... [2023-12-25 09:19:36,283 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 [2023-12-25 09:19:36,283 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 (28)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 09:19:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-25 09:19:36,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 347.8s TimeCoverageRelationStatistics Valid=630, Invalid=2719, Unknown=73, NotChecked=0, Total=3422 [2023-12-25 09:19:36,322 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 2453 mSDsluCounter, 7497 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 8148 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:19:36,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 8148 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2553 Invalid, 1 Unknown, 0 Unchecked, 57.5s Time] [2023-12-25 09:19:36,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-12-25 09:19:36,358 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 (28)] Ended with exit code 0 [2023-12-25 09:19:36,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /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 [2023-12-25 09:19:36,524 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (62725states) and FLOYD_HOARE automaton (currently 43 states, 24 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 59 known predicates. [2023-12-25 09:19:36,526 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-12-25 09:19:36,526 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2023-12-25 09:19:36,526 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-12-25 09:19:36,526 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-12-25 09:19:36,530 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:19:36,532 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 09:19:36,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 09:19:36 BoogieIcfgContainer [2023-12-25 09:19:36,534 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 09:19:36,535 INFO L158 Benchmark]: Toolchain (without parser) took 861264.85ms. Allocated memory was 367.0MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 309.6MB in the beginning and 990.2MB in the end (delta: -680.6MB). Peak memory consumption was 387.9MB. Max. memory is 8.0GB. [2023-12-25 09:19:36,535 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 198.2MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 09:19:36,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.83ms. Allocated memory is still 367.0MB. Free memory was 309.6MB in the beginning and 261.9MB in the end (delta: 47.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2023-12-25 09:19:36,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.82ms. Allocated memory is still 367.0MB. Free memory was 261.9MB in the beginning and 256.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-25 09:19:36,538 INFO L158 Benchmark]: Boogie Preprocessor took 131.94ms. Allocated memory is still 367.0MB. Free memory was 256.1MB in the beginning and 248.8MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-25 09:19:36,540 INFO L158 Benchmark]: RCFGBuilder took 1645.18ms. Allocated memory is still 367.0MB. Free memory was 248.3MB in the beginning and 306.6MB in the end (delta: -58.4MB). Peak memory consumption was 118.3MB. Max. memory is 8.0GB. [2023-12-25 09:19:36,540 INFO L158 Benchmark]: TraceAbstraction took 858506.94ms. Allocated memory was 367.0MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 306.1MB in the beginning and 990.2MB in the end (delta: -684.1MB). Peak memory consumption was 383.9MB. Max. memory is 8.0GB. [2023-12-25 09:19:36,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 198.2MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 858.83ms. Allocated memory is still 367.0MB. Free memory was 309.6MB in the beginning and 261.9MB in the end (delta: 47.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 113.82ms. Allocated memory is still 367.0MB. Free memory was 261.9MB in the beginning and 256.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 131.94ms. Allocated memory is still 367.0MB. Free memory was 256.1MB in the beginning and 248.8MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1645.18ms. Allocated memory is still 367.0MB. Free memory was 248.3MB in the beginning and 306.6MB in the end (delta: -58.4MB). Peak memory consumption was 118.3MB. Max. memory is 8.0GB. * TraceAbstraction took 858506.94ms. Allocated memory was 367.0MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 306.1MB in the beginning and 990.2MB in the end (delta: -684.1MB). Peak memory consumption was 383.9MB. 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: 882]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 882). Cancelled while NwaCegarLoop was constructing difference of abstraction (62725states) and FLOYD_HOARE automaton (currently 43 states, 24 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 59 known predicates. - TimeoutResultAtElement [Line: 837]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 837). Cancelled while NwaCegarLoop was constructing difference of abstraction (62725states) and FLOYD_HOARE automaton (currently 43 states, 24 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 59 known predicates. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 992). Cancelled while NwaCegarLoop was constructing difference of abstraction (62725states) and FLOYD_HOARE automaton (currently 43 states, 24 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 59 known predicates. - TimeoutResultAtElement [Line: 1057]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1057). Cancelled while NwaCegarLoop was constructing difference of abstraction (62725states) and FLOYD_HOARE automaton (currently 43 states, 24 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 59 known predicates. - TimeoutResultAtElement [Line: 1825]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1825). Cancelled while NwaCegarLoop was constructing difference of abstraction (62725states) and FLOYD_HOARE automaton (currently 43 states, 24 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 59 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 386 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 858.5s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 814.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 49955 SdHoareTripleChecker+Valid, 170.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49955 mSDsluCounter, 108070 SdHoareTripleChecker+Invalid, 163.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87124 mSDsCounter, 475 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24498 IncrementalHoareTripleChecker+Invalid, 24978 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 475 mSolverCounterUnsat, 20946 mSDtfsCounter, 24498 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4552 GetRequests, 4120 SyntacticMatches, 0 SemanticMatches, 431 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4464 ImplicationChecksByTransitivity, 639.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62725occurred in iteration=26, InterpolantAutomatonStates: 306, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.2s AutomataMinimizationTime, 26 MinimizatonAttempts, 92241 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 28.3s InterpolantComputationTime, 4339 NumberOfCodeBlocks, 4339 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 4312 ConstructedInterpolants, 1202 QuantifiedInterpolants, 53785 SizeOfPredicates, 113 NumberOfNonLiveVariables, 9122 ConjunctsInSsa, 234 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 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