/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 20:21:04,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 20:21:04,496 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 20:21:04,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 20:21:04,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 20:21:04,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 20:21:04,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 20:21:04,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 20:21:04,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 20:21:04,516 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 20:21:04,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 20:21:04,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 20:21:04,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 20:21:04,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 20:21:04,517 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 20:21:04,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 20:21:04,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 20:21:04,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 20:21:04,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 20:21:04,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 20:21:04,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 20:21:04,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 20:21:04,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 20:21:04,523 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 20:21:04,525 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 20:21:04,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 20:21:04,526 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 20:21:04,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 20:21:04,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 20:21:04,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 20:21:04,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 20:21:04,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 20:21:04,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 20:21:04,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 20:21:04,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 20:21:04,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 20:21:04,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 20:21:04,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 20:21:04,528 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 20:21:04,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 20:21:04,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 20:21:04,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 20:21:04,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 20:21:04,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 20:21:04,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 20:21:04,530 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 20:21:04,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 20:21:04,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 20:21:04,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 20:21:04,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 20:21:04,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 20:21:04,707 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 20:21:04,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2023-12-23 20:21:05,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 20:21:06,071 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 20:21:06,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2023-12-23 20:21:06,078 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b5569d0/3cb1dfc0e6634a33a19766f9b62884df/FLAG4f1948b68 [2023-12-23 20:21:06,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b5569d0/3cb1dfc0e6634a33a19766f9b62884df [2023-12-23 20:21:06,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 20:21:06,093 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 20:21:06,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 20:21:06,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 20:21:06,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 20:21:06,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44908f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06, skipping insertion in model container [2023-12-23 20:21:06,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 20:21:06,210 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2023-12-23 20:21:06,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 20:21:06,255 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 20:21:06,265 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2023-12-23 20:21:06,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 20:21:06,308 INFO L206 MainTranslator]: Completed translation [2023-12-23 20:21:06,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06 WrapperNode [2023-12-23 20:21:06,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 20:21:06,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 20:21:06,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 20:21:06,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 20:21:06,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,360 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2023-12-23 20:21:06,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 20:21:06,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 20:21:06,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 20:21:06,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 20:21:06,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,393 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]. [2023-12-23 20:21:06,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 20:21:06,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 20:21:06,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 20:21:06,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 20:21:06,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (1/1) ... [2023-12-23 20:21:06,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 20:21:06,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 20:21:06,458 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) [2023-12-23 20:21:06,479 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 [2023-12-23 20:21:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 20:21:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 20:21:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 20:21:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 20:21:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 20:21:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 20:21:06,599 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 20:21:06,605 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 20:21:06,850 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 20:21:06,906 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 20:21:06,906 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 20:21:06,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:21:06 BoogieIcfgContainer [2023-12-23 20:21:06,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 20:21:06,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 20:21:06,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 20:21:06,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 20:21:06,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:21:06" (1/3) ... [2023-12-23 20:21:06,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e619521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:21:06, skipping insertion in model container [2023-12-23 20:21:06,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:21:06" (2/3) ... [2023-12-23 20:21:06,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e619521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:21:06, skipping insertion in model container [2023-12-23 20:21:06,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:21:06" (3/3) ... [2023-12-23 20:21:06,914 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2023-12-23 20:21:06,936 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 20:21:06,937 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 20:21:06,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 20:21:07,000 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;@30ddb7f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 20:21:07,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 20:21:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-23 20:21:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-23 20:21:07,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:21:07,020 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:21:07,021 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:21:07,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:21:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash 305173336, now seen corresponding path program 1 times [2023-12-23 20:21:07,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:21:07,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027112779] [2023-12-23 20:21:07,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:21:07,046 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 [2023-12-23 20:21:07,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:21:07,066 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) [2023-12-23 20:21:07,097 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 [2023-12-23 20:21:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:21:07,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 20:21:07,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:21:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-23 20:21:07,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:21:07,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:21:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027112779] [2023-12-23 20:21:07,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027112779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:21:07,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:21:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 20:21:07,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569552869] [2023-12-23 20:21:07,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:21:07,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 20:21:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:21:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 20:21:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 20:21:07,361 INFO L87 Difference]: Start difference. First operand has 59 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-23 20:21:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:21:07,429 INFO L93 Difference]: Finished difference Result 115 states and 208 transitions. [2023-12-23 20:21:07,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 20:21:07,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 154 [2023-12-23 20:21:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:21:07,440 INFO L225 Difference]: With dead ends: 115 [2023-12-23 20:21:07,440 INFO L226 Difference]: Without dead ends: 57 [2023-12-23 20:21:07,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 20:21:07,447 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-23 20:21:07,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-23 20:21:07,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-23 20:21:07,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-23 20:21:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-23 20:21:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2023-12-23 20:21:07,482 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 154 [2023-12-23 20:21:07,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:21:07,483 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2023-12-23 20:21:07,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-23 20:21:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-12-23 20:21:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-23 20:21:07,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:21:07,487 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:21:07,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 20:21:07,693 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 [2023-12-23 20:21:07,694 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:21:07,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:21:07,695 INFO L85 PathProgramCache]: Analyzing trace with hash 919581513, now seen corresponding path program 1 times [2023-12-23 20:21:07,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:21:07,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627077313] [2023-12-23 20:21:07,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:21:07,696 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 [2023-12-23 20:21:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:21:07,708 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) [2023-12-23 20:21:07,710 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 [2023-12-23 20:21:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-23 20:21:07,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-23 20:21:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-23 20:21:07,910 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-12-23 20:21:07,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [604116383] [2023-12-23 20:21:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:21:07,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 20:21:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 20:21:07,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 20:21:07,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 20:21:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:21:08,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-23 20:21:08,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:22:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-23 20:22:33,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:22:33,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:22:33,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627077313] [2023-12-23 20:22:33,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-23 20:22:33,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [604116383] [2023-12-23 20:22:33,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [604116383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:22:33,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:22:33,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-23 20:22:33,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150064688] [2023-12-23 20:22:33,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:22:33,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 20:22:33,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:22:33,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 20:22:33,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-23 20:22:33,642 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-23 20:22:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:22:33,986 INFO L93 Difference]: Finished difference Result 116 states and 153 transitions. [2023-12-23 20:22:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-23 20:22:33,987 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 155 [2023-12-23 20:22:33,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:22:33,989 INFO L225 Difference]: With dead ends: 116 [2023-12-23 20:22:33,989 INFO L226 Difference]: Without dead ends: 114 [2023-12-23 20:22:33,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-12-23 20:22:33,990 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 76 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-23 20:22:33,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 374 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-23 20:22:33,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-23 20:22:34,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 99. [2023-12-23 20:22:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 60 states have (on average 1.15) internal successors, (69), 62 states have internal predecessors, (69), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-23 20:22:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 137 transitions. [2023-12-23 20:22:34,014 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 137 transitions. Word has length 155 [2023-12-23 20:22:34,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:22:34,015 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 137 transitions. [2023-12-23 20:22:34,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-23 20:22:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2023-12-23 20:22:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-23 20:22:34,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:22:34,025 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:22:34,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-23 20:22:34,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-23 20:22:34,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 20:22:34,436 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:22:34,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:22:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash 919641095, now seen corresponding path program 1 times [2023-12-23 20:22:34,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:22:34,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419626169] [2023-12-23 20:22:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:22:34,437 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 [2023-12-23 20:22:34,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:22:34,439 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) [2023-12-23 20:22:34,440 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 [2023-12-23 20:22:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-23 20:22:34,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-23 20:22:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-23 20:22:34,585 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-12-23 20:22:34,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [573442157] [2023-12-23 20:22:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:22:34,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 20:22:34,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 20:22:34,587 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 20:22:34,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-23 20:22:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:22:34,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-23 20:22:34,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:24:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-23 20:24:11,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:24:11,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:24:11,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419626169] [2023-12-23 20:24:11,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-23 20:24:11,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [573442157] [2023-12-23 20:24:11,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [573442157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:24:11,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:24:11,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-23 20:24:11,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652170640] [2023-12-23 20:24:11,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:24:11,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 20:24:11,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:24:11,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 20:24:11,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-23 20:24:11,598 INFO L87 Difference]: Start difference. First operand 99 states and 137 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-23 20:24:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:24:11,855 INFO L93 Difference]: Finished difference Result 114 states and 151 transitions. [2023-12-23 20:24:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-23 20:24:11,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 155 [2023-12-23 20:24:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:24:11,859 INFO L225 Difference]: With dead ends: 114 [2023-12-23 20:24:11,859 INFO L226 Difference]: Without dead ends: 112 [2023-12-23 20:24:11,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-12-23 20:24:11,860 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 61 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-23 20:24:11,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 332 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-23 20:24:11,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-23 20:24:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 97. [2023-12-23 20:24:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 60 states have internal predecessors, (66), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-23 20:24:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 134 transitions. [2023-12-23 20:24:11,872 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 134 transitions. Word has length 155 [2023-12-23 20:24:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:24:11,879 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 134 transitions. [2023-12-23 20:24:11,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-23 20:24:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2023-12-23 20:24:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-23 20:24:11,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:24:11,883 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:24:11,895 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 [2023-12-23 20:24:12,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-23 20:24:12,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 20:24:12,301 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:24:12,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:24:12,301 INFO L85 PathProgramCache]: Analyzing trace with hash 110234887, now seen corresponding path program 1 times [2023-12-23 20:24:12,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:24:12,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112738526] [2023-12-23 20:24:12,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:24:12,302 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 [2023-12-23 20:24:12,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:24:12,307 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) [2023-12-23 20:24:12,309 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 [2023-12-23 20:24:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:24:12,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 20:24:12,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:24:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 369 proven. 63 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-12-23 20:24:12,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 20:24:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 12 proven. 63 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-23 20:24:12,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:24:12,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112738526] [2023-12-23 20:24:12,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112738526] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 20:24:12,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 20:24:12,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-23 20:24:12,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470430364] [2023-12-23 20:24:12,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 20:24:12,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-23 20:24:12,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:24:12,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-23 20:24:12,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-23 20:24:12,665 INFO L87 Difference]: Start difference. First operand 97 states and 134 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-23 20:24:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:24:12,897 INFO L93 Difference]: Finished difference Result 178 states and 244 transitions. [2023-12-23 20:24:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 20:24:12,898 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 155 [2023-12-23 20:24:12,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:24:12,899 INFO L225 Difference]: With dead ends: 178 [2023-12-23 20:24:12,899 INFO L226 Difference]: Without dead ends: 0 [2023-12-23 20:24:12,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-23 20:24:12,901 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 39 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-23 20:24:12,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 197 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-23 20:24:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-23 20:24:12,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-23 20:24:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-23 20:24:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-23 20:24:12,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2023-12-23 20:24:12,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:24:12,902 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-23 20:24:12,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-23 20:24:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-23 20:24:12,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-23 20:24:12,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 20:24:12,920 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 (7)] Ended with exit code 0 [2023-12-23 20:24:13,109 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 [2023-12-23 20:24:13,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-23 20:24:13,247 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,248 INFO L895 garLoopResultBuilder]: At program point L93-1(line 93) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 64) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 44 69) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 69) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L895 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,248 INFO L895 garLoopResultBuilder]: At program point L102-1(line 102) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-12-23 20:24:13,248 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-12-23 20:24:13,248 INFO L895 garLoopResultBuilder]: At program point L78-1(line 78) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,248 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 49) no Hoare annotation was computed. [2023-12-23 20:24:13,249 INFO L899 garLoopResultBuilder]: For program point L45-2(lines 45 49) no Hoare annotation was computed. [2023-12-23 20:24:13,250 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-12-23 20:24:13,250 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,250 INFO L895 garLoopResultBuilder]: At program point L87-1(line 87) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,250 INFO L902 garLoopResultBuilder]: At program point L120-2(lines 120 126) the Hoare annotation is: true [2023-12-23 20:24:13,250 INFO L899 garLoopResultBuilder]: For program point L120-3(lines 120 126) no Hoare annotation was computed. [2023-12-23 20:24:13,250 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-12-23 20:24:13,250 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-23 20:24:13,250 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,250 INFO L895 garLoopResultBuilder]: At program point L96-1(line 96) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,250 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-12-23 20:24:13,250 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,250 INFO L902 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: true [2023-12-23 20:24:13,251 INFO L895 garLoopResultBuilder]: At program point L105-1(line 105) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,251 INFO L902 garLoopResultBuilder]: At program point L72-1(line 72) the Hoare annotation is: true [2023-12-23 20:24:13,251 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-12-23 20:24:13,251 INFO L895 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,251 INFO L895 garLoopResultBuilder]: At program point L81-1(line 81) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,251 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-12-23 20:24:13,251 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-23 20:24:13,251 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,251 INFO L895 garLoopResultBuilder]: At program point L90-1(line 90) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,251 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 65) no Hoare annotation was computed. [2023-12-23 20:24:13,251 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-23 20:24:13,251 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-12-23 20:24:13,251 INFO L895 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,252 INFO L895 garLoopResultBuilder]: At program point L99-1(line 99) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-23 20:24:13,253 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-12-23 20:24:13,254 INFO L895 garLoopResultBuilder]: At program point L108(line 108) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,254 INFO L902 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: true [2023-12-23 20:24:13,254 INFO L895 garLoopResultBuilder]: At program point L108-1(line 108) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,254 INFO L902 garLoopResultBuilder]: At program point L75-1(line 75) the Hoare annotation is: true [2023-12-23 20:24:13,254 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-12-23 20:24:13,254 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,254 INFO L895 garLoopResultBuilder]: At program point L84-1(line 84) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-12-23 20:24:13,254 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 53) no Hoare annotation was computed. [2023-12-23 20:24:13,254 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 53) no Hoare annotation was computed. [2023-12-23 20:24:13,254 INFO L899 garLoopResultBuilder]: For program point L109(lines 70 110) no Hoare annotation was computed. [2023-12-23 20:24:13,254 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-12-23 20:24:13,254 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-23 20:24:13,254 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-23 20:24:13,254 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-23 20:24:13,255 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-23 20:24:13,257 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 20:24:13,258 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 20:24:13,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 08:24:13 BoogieIcfgContainer [2023-12-23 20:24:13,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 20:24:13,270 INFO L158 Benchmark]: Toolchain (without parser) took 187177.55ms. Allocated memory was 372.2MB in the beginning and 1.3GB in the end (delta: 917.5MB). Free memory was 320.6MB in the beginning and 1.1GB in the end (delta: -737.9MB). Peak memory consumption was 180.6MB. Max. memory is 8.0GB. [2023-12-23 20:24:13,270 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 20:24:13,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.84ms. Allocated memory is still 372.2MB. Free memory was 320.1MB in the beginning and 306.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-23 20:24:13,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.20ms. Allocated memory is still 372.2MB. Free memory was 306.4MB in the beginning and 304.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 20:24:13,271 INFO L158 Benchmark]: Boogie Preprocessor took 50.69ms. Allocated memory is still 372.2MB. Free memory was 304.3MB in the beginning and 301.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 20:24:13,271 INFO L158 Benchmark]: RCFGBuilder took 494.38ms. Allocated memory is still 372.2MB. Free memory was 301.8MB in the beginning and 280.2MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-23 20:24:13,271 INFO L158 Benchmark]: TraceAbstraction took 186361.59ms. Allocated memory was 372.2MB in the beginning and 1.3GB in the end (delta: 917.5MB). Free memory was 279.7MB in the beginning and 1.1GB in the end (delta: -778.7MB). Peak memory consumption was 139.7MB. Max. memory is 8.0GB. [2023-12-23 20:24:13,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 215.84ms. Allocated memory is still 372.2MB. Free memory was 320.1MB in the beginning and 306.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.20ms. Allocated memory is still 372.2MB. Free memory was 306.4MB in the beginning and 304.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.69ms. Allocated memory is still 372.2MB. Free memory was 304.3MB in the beginning and 301.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 494.38ms. Allocated memory is still 372.2MB. Free memory was 301.8MB in the beginning and 280.2MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 186361.59ms. Allocated memory was 372.2MB in the beginning and 1.3GB in the end (delta: 917.5MB). Free memory was 279.7MB in the beginning and 1.1GB in the end (delta: -778.7MB). Peak memory consumption was 139.7MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 186.3s, OverallIterations: 4, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 985 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 660 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 524 IncrementalHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 325 mSDtfsCounter, 524 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 776 GetRequests, 749 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=2, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 117 PreInvPairs, 149 NumberOfFragments, 91 HoareAnnotationTreeSize, 117 FormulaSimplifications, 492 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FormulaSimplificationsInter, 1320 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 182.7s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 1915 SizeOfPredicates, 54 NumberOfNonLiveVariables, 993 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 6374/6500 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-23 20:24:13,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...