/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_loopvsstraightlinecode_100-1loop_file-92.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 22:16:27,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 22:16:27,403 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 22:16:27,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 22:16:27,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 22:16:27,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 22:16:27,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 22:16:27,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 22:16:27,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 22:16:27,434 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 22:16:27,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 22:16:27,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 22:16:27,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 22:16:27,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 22:16:27,435 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 22:16:27,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 22:16:27,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 22:16:27,444 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 22:16:27,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 22:16:27,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 22:16:27,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 22:16:27,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 22:16:27,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 22:16:27,447 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 22:16:27,447 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 22:16:27,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 22:16:27,447 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 22:16:27,447 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 22:16:27,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 22:16:27,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 22:16:27,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 22:16:27,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 22:16:27,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 22:16:27,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 22:16:27,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 22:16:27,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 22:16:27,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 22:16:27,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 22:16:27,450 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 22:16:27,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 22:16:27,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 22:16:27,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 22:16:27,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 22:16:27,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 22:16:27,613 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 22:16:27,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-92.i [2023-12-23 22:16:28,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 22:16:28,864 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 22:16:28,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-92.i [2023-12-23 22:16:28,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c771ba7cc/566fea2117cf4afd9916d706883ed0eb/FLAGd129e2e70 [2023-12-23 22:16:28,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c771ba7cc/566fea2117cf4afd9916d706883ed0eb [2023-12-23 22:16:28,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 22:16:28,888 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 22:16:28,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 22:16:28,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 22:16:28,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 22:16:28,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:16:28" (1/1) ... [2023-12-23 22:16:28,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3097eff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:28, skipping insertion in model container [2023-12-23 22:16:28,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:16:28" (1/1) ... [2023-12-23 22:16:28,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 22:16:29,061 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_loopvsstraightlinecode_100-1loop_file-92.i[916,929] [2023-12-23 22:16:29,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 22:16:29,130 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 22:16:29,139 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_loopvsstraightlinecode_100-1loop_file-92.i[916,929] [2023-12-23 22:16:29,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 22:16:29,177 INFO L206 MainTranslator]: Completed translation [2023-12-23 22:16:29,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29 WrapperNode [2023-12-23 22:16:29,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 22:16:29,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 22:16:29,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 22:16:29,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 22:16:29,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,215 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-12-23 22:16:29,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 22:16:29,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 22:16:29,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 22:16:29,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 22:16:29,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,238 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 22:16:29,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 22:16:29,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 22:16:29,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 22:16:29,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 22:16:29,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (1/1) ... [2023-12-23 22:16:29,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 22:16:29,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 22:16:29,298 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 22:16:29,315 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 22:16:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 22:16:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 22:16:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 22:16:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 22:16:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 22:16:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 22:16:29,388 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 22:16:29,390 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 22:16:39,882 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 22:16:39,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 22:16:39,945 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 22:16:39,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:16:39 BoogieIcfgContainer [2023-12-23 22:16:39,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 22:16:39,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 22:16:39,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 22:16:39,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 22:16:39,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:16:28" (1/3) ... [2023-12-23 22:16:39,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35083507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:16:39, skipping insertion in model container [2023-12-23 22:16:39,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:16:29" (2/3) ... [2023-12-23 22:16:39,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35083507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:16:39, skipping insertion in model container [2023-12-23 22:16:39,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:16:39" (3/3) ... [2023-12-23 22:16:39,954 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-92.i [2023-12-23 22:16:39,966 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 22:16:39,966 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 22:16:39,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 22:16:40,000 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;@2dfee09c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 22:16:40,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 22:16:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 50 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-23 22:16:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-23 22:16:40,014 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:16:40,015 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:40,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:16:40,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:16:40,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1101370791, now seen corresponding path program 1 times [2023-12-23 22:16:40,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:16:40,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511108767] [2023-12-23 22:16:40,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:16:40,033 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 22:16:40,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:16:40,035 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 22:16:40,038 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 22:16:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:16:40,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 22:16:40,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:16:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2023-12-23 22:16:40,558 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 22:16:40,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:16:40,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511108767] [2023-12-23 22:16:40,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511108767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 22:16:40,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 22:16:40,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 22:16:40,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059827923] [2023-12-23 22:16:40,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 22:16:40,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 22:16:40,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:16:40,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 22:16:40,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 22:16:40,596 INFO L87 Difference]: Start difference. First operand has 74 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 50 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-23 22:16:44,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:16:44,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:16:44,847 INFO L93 Difference]: Finished difference Result 147 states and 261 transitions. [2023-12-23 22:16:44,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 22:16:44,851 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2023-12-23 22:16:44,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:16:44,856 INFO L225 Difference]: With dead ends: 147 [2023-12-23 22:16:44,856 INFO L226 Difference]: Without dead ends: 72 [2023-12-23 22:16:44,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 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 22:16:44,864 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-23 22:16:44,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-23 22:16:44,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-23 22:16:44,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-23 22:16:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-23 22:16:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 115 transitions. [2023-12-23 22:16:44,909 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 115 transitions. Word has length 143 [2023-12-23 22:16:44,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:16:44,909 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 115 transitions. [2023-12-23 22:16:44,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-23 22:16:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 115 transitions. [2023-12-23 22:16:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-23 22:16:44,917 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:16:44,917 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:44,935 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 [2023-12-23 22:16:45,120 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 22:16:45,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:16:45,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:16:45,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1841882147, now seen corresponding path program 1 times [2023-12-23 22:16:45,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:16:45,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041897544] [2023-12-23 22:16:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:16:45,123 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 22:16:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:16:45,131 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 22:16:45,132 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 22:16:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:16:45,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-23 22:16:45,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:17:24,315 WARN L293 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:18:43,670 WARN L293 SmtUtils]: Spent 36.00s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 22:19:18,822 WARN L293 SmtUtils]: Spent 6.83s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:20:40,942 WARN L293 SmtUtils]: Spent 41.82s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 22:21:16,115 WARN L293 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:22:00,623 WARN L293 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:23:18,609 WARN L293 SmtUtils]: Spent 32.66s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 22:24:03,136 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:24:08,952 WARN L293 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:25:29,269 WARN L293 SmtUtils]: Spent 38.84s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 22:25:34,839 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:25:40,338 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:25:56,559 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:26:02,456 WARN L293 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:26:18,523 WARN L293 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:26:23,703 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:26:44,122 WARN L293 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:26:51,420 WARN L293 SmtUtils]: Spent 7.30s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:26:55,477 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_7~0 (_ bv0 8)) (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0))) (let ((.cse0 (bvsgt .cse1 (_ bv5 32)))) (or (and (not .cse0) (= c_~var_1_29~0 (_ bv7 16))) (and .cse0 (= c_~var_1_29~0 ((_ extract 15 0) (bvadd (_ bv2 32) .cse1))))))) (not (fp.eq (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 10.0)) (fp.add c_currentRoundingMode c_~var_1_21~0 c_~var_1_22~0)) (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_18~0 c_~var_1_19~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 2.0))))) (= (_ bv5 16) c_~last_1_var_1_17~0) (= c_~last_1_var_1_25~0 (_ bv2 8)) (fp.leq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (not (bvsgt (_ bv2 32) ((_ sign_extend 16) c_~var_1_9~0))) (bvsle ((_ zero_extend 24) c_~var_1_6~0) (_ bv0 32)) (fp.geq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_13~0 (_ bv64 8)) (= c_~var_1_6~0 c_~var_1_1~0) (= ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_22~0) c_~var_1_27~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 22:26:59,531 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_7~0 (_ bv0 8)) (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0))) (let ((.cse0 (bvsgt .cse1 (_ bv5 32)))) (or (and (not .cse0) (= c_~var_1_29~0 (_ bv7 16))) (and .cse0 (= c_~var_1_29~0 ((_ extract 15 0) (bvadd (_ bv2 32) .cse1))))))) (not (fp.eq (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 10.0)) (fp.add c_currentRoundingMode c_~var_1_21~0 c_~var_1_22~0)) (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_18~0 c_~var_1_19~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 2.0))))) (= (_ bv5 16) c_~last_1_var_1_17~0) (= c_~last_1_var_1_25~0 (_ bv2 8)) (fp.leq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (not (bvsgt (_ bv2 32) ((_ sign_extend 16) c_~var_1_9~0))) (bvsle ((_ zero_extend 24) c_~var_1_6~0) (_ bv0 32)) (fp.geq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_13~0 (_ bv64 8)) (= c_~var_1_6~0 c_~var_1_1~0) (= ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_22~0) c_~var_1_27~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 22:27:07,185 WARN L293 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:27:15,450 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:27:23,604 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:27:29,679 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:28:06,245 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:28:21,893 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:28:25,948 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_7~0 (_ bv0 8)) (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0))) (let ((.cse0 (bvsgt .cse1 (_ bv5 32)))) (or (and (not .cse0) (= c_~var_1_29~0 (_ bv7 16))) (and .cse0 (= c_~var_1_29~0 ((_ extract 15 0) (bvadd (_ bv2 32) .cse1))))))) (not (fp.eq (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 10.0)) (fp.add c_currentRoundingMode c_~var_1_21~0 c_~var_1_22~0)) (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_18~0 c_~var_1_19~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 2.0))))) (= (_ bv5 16) c_~last_1_var_1_17~0) (= c_~last_1_var_1_25~0 (_ bv2 8)) (fp.leq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (not (bvsgt (_ bv2 32) ((_ sign_extend 16) c_~var_1_9~0))) (bvsle ((_ zero_extend 24) c_~var_1_6~0) (_ bv0 32)) (fp.geq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_13~0 (_ bv64 8)) (= c_~var_1_6~0 c_~var_1_1~0) (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv64 32) ((_ zero_extend 24) c_~var_1_15~0)))) (= ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_22~0) c_~var_1_27~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 22:28:29,999 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_7~0 (_ bv0 8)) (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0))) (let ((.cse0 (bvsgt .cse1 (_ bv5 32)))) (or (and (not .cse0) (= c_~var_1_29~0 (_ bv7 16))) (and .cse0 (= c_~var_1_29~0 ((_ extract 15 0) (bvadd (_ bv2 32) .cse1))))))) (not (fp.eq (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 10.0)) (fp.add c_currentRoundingMode c_~var_1_21~0 c_~var_1_22~0)) (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_18~0 c_~var_1_19~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 2.0))))) (= (_ bv5 16) c_~last_1_var_1_17~0) (= c_~last_1_var_1_25~0 (_ bv2 8)) (fp.leq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (not (bvsgt (_ bv2 32) ((_ sign_extend 16) c_~var_1_9~0))) (bvsle ((_ zero_extend 24) c_~var_1_6~0) (_ bv0 32)) (fp.geq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_13~0 (_ bv64 8)) (= c_~var_1_6~0 c_~var_1_1~0) (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv64 32) ((_ zero_extend 24) c_~var_1_15~0)))) (= ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_22~0) c_~var_1_27~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 22:28:41,740 WARN L293 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:28:57,984 WARN L293 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:29:04,053 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:29:16,571 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:29:30,351 WARN L293 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:29:42,608 WARN L293 SmtUtils]: Spent 7.97s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:29:49,713 WARN L293 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:30:05,628 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:30:13,298 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0))) (and (= c_~last_1_var_1_7~0 (_ bv0 8)) (let ((.cse0 (bvsgt .cse1 (_ bv5 32)))) (or (and (not .cse0) (= c_~var_1_29~0 (_ bv7 16))) (and .cse0 (= c_~var_1_29~0 ((_ extract 15 0) (bvadd (_ bv2 32) .cse1)))))) (not (fp.eq (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 10.0)) (fp.add c_currentRoundingMode c_~var_1_21~0 c_~var_1_22~0)) (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_18~0 c_~var_1_19~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 2.0))))) (= (_ bv5 16) c_~last_1_var_1_17~0) (= c_~last_1_var_1_25~0 (_ bv2 8)) (fp.leq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (not (bvsgt (_ bv2 32) ((_ sign_extend 16) c_~var_1_9~0))) (bvsle ((_ zero_extend 24) c_~var_1_6~0) (_ bv0 32)) (fp.geq c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_13~0 (_ bv64 8)) (= c_~var_1_6~0 c_~var_1_1~0) (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv64 32) ((_ zero_extend 24) c_~var_1_15~0)))) (= ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_22~0) c_~var_1_27~0) (= .cse1 c_~var_1_31~0) (= (bvadd ((_ zero_extend 24) c_~var_1_25~0) ((_ zero_extend 24) c_~var_1_20~0)) c_~var_1_16~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 22:30:21,468 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:30:29,629 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:30:36,207 WARN L293 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:30:47,804 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:30:53,194 WARN L293 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:30:58,370 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:31:03,573 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:31:11,738 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 22:31:17,501 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 [2023-12-23 22:31:17,542 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 22:31:18,560 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 [2023-12-23 22:31:18,703 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-23 22:31:18,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-23 22:31:18,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 22:31:18,739 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 144 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 22:31:18,742 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-23 22:31:18,744 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 22:31:18,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 10:31:18 BoogieIcfgContainer [2023-12-23 22:31:18,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 22:31:18,746 INFO L158 Benchmark]: Toolchain (without parser) took 889858.28ms. Allocated memory is still 277.9MB. Free memory was 229.4MB in the beginning and 88.4MB in the end (delta: 141.0MB). Peak memory consumption was 141.6MB. Max. memory is 8.0GB. [2023-12-23 22:31:18,747 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 22:31:18,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.28ms. Allocated memory is still 277.9MB. Free memory was 229.4MB in the beginning and 212.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 22:31:18,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.48ms. Allocated memory is still 277.9MB. Free memory was 212.6MB in the beginning and 210.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 22:31:18,747 INFO L158 Benchmark]: Boogie Preprocessor took 43.04ms. Allocated memory is still 277.9MB. Free memory was 210.0MB in the beginning and 205.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 22:31:18,748 INFO L158 Benchmark]: RCFGBuilder took 10685.66ms. Allocated memory is still 277.9MB. Free memory was 205.8MB in the beginning and 174.9MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-23 22:31:18,763 INFO L158 Benchmark]: TraceAbstraction took 878797.21ms. Allocated memory is still 277.9MB. Free memory was 174.4MB in the beginning and 88.4MB in the end (delta: 86.0MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. [2023-12-23 22:31:18,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 288.28ms. Allocated memory is still 277.9MB. Free memory was 229.4MB in the beginning and 212.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.48ms. Allocated memory is still 277.9MB. Free memory was 212.6MB in the beginning and 210.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.04ms. Allocated memory is still 277.9MB. Free memory was 210.0MB in the beginning and 205.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 10685.66ms. Allocated memory is still 277.9MB. Free memory was 205.8MB in the beginning and 174.9MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 878797.21ms. Allocated memory is still 277.9MB. Free memory was 174.4MB in the beginning and 88.4MB in the end (delta: 86.0MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 144 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 878.8s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 112 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 112 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 924/924 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