/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 09:12:40,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 09:12:41,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 09:12:41,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 09:12:41,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 09:12:41,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 09:12:41,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 09:12:41,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 09:12:41,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 09:12:41,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 09:12:41,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 09:12:41,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 09:12:41,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 09:12:41,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 09:12:41,073 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 09:12:41,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 09:12:41,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 09:12:41,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 09:12:41,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 09:12:41,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 09:12:41,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 09:12:41,076 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 09:12:41,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 09:12:41,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 09:12:41,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 09:12:41,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 09:12:41,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 09:12:41,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 09:12:41,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 09:12:41,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 09:12:41,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 09:12:41,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 09:12:41,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 09:12:41,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 09:12:41,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 09:12:41,079 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 09:12:41,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 09:12:41,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 09:12:41,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 09:12:41,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 09:12:41,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 09:12:41,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 09:12:41,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 09:12:41,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 09:12:41,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 09:12:41,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 09:12:41,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 09:12:41,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-05 09:12:42,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 09:12:42,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 09:12:42,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-05 09:12:42,760 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff5d0282/2f0584a45f9b421bbcc77a6d169e1025/FLAG0bde1b16d [2024-11-05 09:12:43,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff5d0282/2f0584a45f9b421bbcc77a6d169e1025 [2024-11-05 09:12:43,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 09:12:43,125 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 09:12:43,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 09:12:43,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 09:12:43,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 09:12:43,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f53e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43, skipping insertion in model container [2024-11-05 09:12:43,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 09:12:43,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c[1244,1257] [2024-11-05 09:12:43,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 09:12:43,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 09:12:43,611 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c[1244,1257] [2024-11-05 09:12:43,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 09:12:43,808 INFO L204 MainTranslator]: Completed translation [2024-11-05 09:12:43,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43 WrapperNode [2024-11-05 09:12:43,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 09:12:43,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 09:12:43,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 09:12:43,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 09:12:43,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,911 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1479 [2024-11-05 09:12:43,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 09:12:43,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 09:12:43,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 09:12:43,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 09:12:43,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,973 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-05 09:12:43,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:43,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:44,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:44,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:44,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:44,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:44,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 09:12:44,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 09:12:44,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 09:12:44,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 09:12:44,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (1/1) ... [2024-11-05 09:12:44,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 09:12:44,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 09:12:44,063 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) [2024-11-05 09:12:44,065 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 [2024-11-05 09:12:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 09:12:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 09:12:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 09:12:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 09:12:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 09:12:44,359 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 09:12:44,360 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 09:12:45,916 INFO L? ?]: Removed 727 outVars from TransFormulas that were not future-live. [2024-11-05 09:12:45,916 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 09:12:45,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 09:12:45,925 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 09:12:45,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 09:12:45 BoogieIcfgContainer [2024-11-05 09:12:45,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 09:12:45,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 09:12:45,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 09:12:45,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 09:12:45,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 09:12:43" (1/3) ... [2024-11-05 09:12:45,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc7ec59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 09:12:45, skipping insertion in model container [2024-11-05 09:12:45,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 09:12:43" (2/3) ... [2024-11-05 09:12:45,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc7ec59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 09:12:45, skipping insertion in model container [2024-11-05 09:12:45,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 09:12:45" (3/3) ... [2024-11-05 09:12:45,933 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal9.c [2024-11-05 09:12:45,944 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 09:12:45,944 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 09:12:45,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 09:12:45,990 INFO L333 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, 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;@27d87071, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 09:12:45,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 09:12:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-05 09:12:45,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-05 09:12:45,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 09:12:45,997 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-05 09:12:45,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 09:12:46,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 09:12:46,001 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-05 09:12:46,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 09:12:46,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724076467] [2024-11-05 09:12:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 09:12:46,008 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 [2024-11-05 09:12:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 09:12:46,011 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) [2024-11-05 09:12:46,012 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 [2024-11-05 09:12:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 09:12:46,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-05 09:12:46,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 09:12:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 09:12:46,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 09:12:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 09:12:46,829 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 09:12:46,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724076467] [2024-11-05 09:12:46,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1724076467] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 09:12:46,829 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 09:12:46,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 09:12:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108194529] [2024-11-05 09:12:46,831 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 09:12:46,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 09:12:46,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 09:12:46,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 09:12:46,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 09:12:46,851 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-05 09:12:47,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 09:12:47,179 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-05 09:12:47,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 09:12:47,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-05 09:12:47,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 09:12:47,187 INFO L225 Difference]: With dead ends: 18 [2024-11-05 09:12:47,187 INFO L226 Difference]: Without dead ends: 10 [2024-11-05 09:12:47,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-05 09:12:47,192 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 09:12:47,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 09:12:47,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-05 09:12:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-05 09:12:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-05 09:12:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-05 09:12:47,213 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-05 09:12:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 09:12:47,213 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-05 09:12:47,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-05 09:12:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-05 09:12:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-05 09:12:47,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 09:12:47,213 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-05 09:12:47,222 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 [2024-11-05 09:12:47,414 WARN L453 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 [2024-11-05 09:12:47,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 09:12:47,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 09:12:47,415 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-05 09:12:47,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 09:12:47,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891518436] [2024-11-05 09:12:47,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 09:12:47,416 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 [2024-11-05 09:12:47,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 09:12:47,419 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) [2024-11-05 09:12:47,421 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 [2024-11-05 09:12:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 09:12:50,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-05 09:12:50,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 09:12:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 09:12:51,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 09:12:59,463 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse17 (_ bv255 32))))) (.cse18 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|)) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse17 (_ bv254 32)))))) (let ((.cse14 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (not (= .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse20)))))))))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (= .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse21))))))))) (.cse8 (forall ((|v_ULTIMATE.start_main_~var_318_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_322_arg_0~0#1_11| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_318_arg_0~0#1_11|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_322_arg_0~0#1_11|)))))) (_ bv0 8))))) (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_17~0#1|)) (.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_299~0#1|)) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (not (= .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse21)))))))))) (.cse13 (or .cse6 .cse8)) (.cse11 (or .cse14 .cse8)) (.cse15 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (= .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse20)))))))))) (let ((.cse32 (bvshl ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_279~0#1|) (_ bv2 32))) (.cse25 (and .cse11 (or .cse15 .cse8))) (.cse24 (and (or .cse8 .cse10) .cse13)) (.cse33 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_31~0#1|))))) .cse4))) .cse5))) (let ((.cse26 (or .cse24 .cse33)) (.cse27 (or .cse25 (not .cse33))) (.cse30 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse32))))) .cse4))) .cse5))) (.cse28 (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse4))) .cse5))) (.cse31 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse32))))) .cse4))) .cse5)))) (.cse29 (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse4))) .cse5))))) (let ((.cse3 (or (and .cse31 .cse29) .cse25)) (.cse16 (or .cse24 (and .cse30 .cse28))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_43_arg_0~0#1_10| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_0~0#1_10|))))))))) (.cse1 (or (and .cse26 (or .cse24 .cse28) (or .cse25 .cse29) (or .cse24 .cse30) .cse27 (or .cse31 .cse25)) (forall ((|v_ULTIMATE.start_main_~var_43_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_0~0#1_10|)))))))))) (let ((.cse23 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_34~0#1|)) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_41_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_10|) (_ bv1 32))))))))) (.cse22 (or (and (or (and .cse3 .cse26 .cse27 .cse16) .cse2) .cse1) (forall ((|v_ULTIMATE.start_main_~var_41_arg_0~0#1_10| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_10|) (_ bv1 32)))))))))))) (and (or (and (or .cse0 (and .cse1 (or .cse2 (let ((.cse12 (or (forall ((|v_ULTIMATE.start_main_~var_318_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_322_arg_0~0#1_11| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_318_arg_0~0#1_11|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_322_arg_0~0#1_11|)))))))) (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (let ((.cse19 (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)))) (or (= .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 .cse20))))))) (not (= .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 .cse21))))))))))))) (.cse9 (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_10| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_309_arg_1~0#1_10|))))))))) .cse4))) .cse5))) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_10| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_309_arg_1~0#1_10|))))))))) .cse4))) .cse5))))) (and .cse3 (or (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_10|))))))))) .cse4))) .cse5)) (and (or .cse6 .cse7 .cse8) (or .cse9 .cse8 .cse10) (or (and .cse11 .cse12) .cse7) (or .cse9 .cse6 .cse8))) (or (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_10|))))))))) .cse4))) .cse5))) (and (or .cse9 (and .cse13 .cse12)) (or .cse7 .cse14 .cse8) (or .cse9 .cse14 .cse8) (or .cse7 .cse15 .cse8))) .cse16))))) .cse22) .cse23) (or (not .cse23) (and (or .cse0 (and .cse1 (or .cse2 (and (or .cse24 (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (= .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_309_arg_2~0#1_10|))))))))) .cse4)))))) .cse3 (or .cse25 (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (not (= .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_309_arg_2~0#1_10|))))))))) .cse4))))))) .cse16)))) .cse22))))))))))) is different from false [2024-11-05 09:13:51,555 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-05 09:13:51,556 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 09:13:51,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891518436] [2024-11-05 09:13:51,556 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-05 09:13:51,557 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 101 [2024-11-05 09:13:51,582 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 [2024-11-05 09:13:51,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 09:13:51,758 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-05 09:13:51,768 INFO L158 Benchmark]: Toolchain (without parser) took 68642.82ms. Allocated memory was 202.4MB in the beginning and 637.5MB in the end (delta: 435.2MB). Free memory was 136.5MB in the beginning and 558.9MB in the end (delta: -422.4MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2024-11-05 09:13:51,769 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 152.0MB in the beginning and 151.9MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 09:13:51,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.10ms. Allocated memory was 202.4MB in the beginning and 334.5MB in the end (delta: 132.1MB). Free memory was 136.2MB in the beginning and 281.4MB in the end (delta: -145.2MB). Peak memory consumption was 57.6MB. Max. memory is 8.0GB. [2024-11-05 09:13:51,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.83ms. Allocated memory is still 334.5MB. Free memory was 281.4MB in the beginning and 269.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-11-05 09:13:51,769 INFO L158 Benchmark]: Boogie Preprocessor took 114.77ms. Allocated memory is still 334.5MB. Free memory was 269.5MB in the beginning and 255.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-05 09:13:51,770 INFO L158 Benchmark]: RCFGBuilder took 1898.25ms. Allocated memory was 334.5MB in the beginning and 530.6MB in the end (delta: 196.1MB). Free memory was 254.8MB in the beginning and 335.3MB in the end (delta: -80.5MB). Peak memory consumption was 155.9MB. Max. memory is 8.0GB. [2024-11-05 09:13:51,770 INFO L158 Benchmark]: TraceAbstraction took 65839.41ms. Allocated memory was 530.6MB in the beginning and 637.5MB in the end (delta: 107.0MB). Free memory was 334.3MB in the beginning and 558.9MB in the end (delta: -224.6MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 09:13:51,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 152.0MB in the beginning and 151.9MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 682.10ms. Allocated memory was 202.4MB in the beginning and 334.5MB in the end (delta: 132.1MB). Free memory was 136.2MB in the beginning and 281.4MB in the end (delta: -145.2MB). Peak memory consumption was 57.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 102.83ms. Allocated memory is still 334.5MB. Free memory was 281.4MB in the beginning and 269.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 114.77ms. Allocated memory is still 334.5MB. Free memory was 269.5MB in the beginning and 255.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * RCFGBuilder took 1898.25ms. Allocated memory was 334.5MB in the beginning and 530.6MB in the end (delta: 196.1MB). Free memory was 254.8MB in the beginning and 335.3MB in the end (delta: -80.5MB). Peak memory consumption was 155.9MB. Max. memory is 8.0GB. * TraceAbstraction took 65839.41ms. Allocated memory was 530.6MB in the beginning and 637.5MB in the end (delta: 107.0MB). Free memory was 334.3MB in the beginning and 558.9MB in the end (delta: -224.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...