/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.brp2.2.prop2-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 16:38:30,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 16:38:30,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 16:38:30,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 16:38:30,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 16:38:31,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 16:38:31,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 16:38:31,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 16:38:31,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 16:38:31,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 16:38:31,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 16:38:31,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 16:38:31,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 16:38:31,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 16:38:31,030 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 16:38:31,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 16:38:31,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 16:38:31,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 16:38:31,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 16:38:31,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 16:38:31,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 16:38:31,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 16:38:31,036 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 16:38:31,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 16:38:31,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 16:38:31,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 16:38:31,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 16:38:31,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 16:38:31,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 16:38:31,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 16:38:31,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 16:38:31,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 16:38:31,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 16:38:31,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 16:38:31,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 16:38:31,039 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 16:38:31,040 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 16:38:31,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 16:38:31,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 16:38:31,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 16:38:31,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 16:38:31,041 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 16:38:31,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 16:38:31,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 16:38:31,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 16:38:31,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 16:38:31,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 16:38:31,341 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 16:38:31,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-func-interl.c [2024-11-01 16:38:32,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 16:38:33,026 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 16:38:33,027 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-func-interl.c [2024-11-01 16:38:33,051 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6843d482/985d6248f83743d69d59dc6110a0ec05/FLAG7b8c45230 [2024-11-01 16:38:33,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6843d482/985d6248f83743d69d59dc6110a0ec05 [2024-11-01 16:38:33,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 16:38:33,252 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 16:38:33,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 16:38:33,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 16:38:33,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 16:38:33,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 04:38:33" (1/1) ... [2024-11-01 16:38:33,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8e4508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:33, skipping insertion in model container [2024-11-01 16:38:33,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 04:38:33" (1/1) ... [2024-11-01 16:38:33,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 16:38:33,579 WARN L251 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.brp2.2.prop2-func-interl.c[1171,1184] [2024-11-01 16:38:33,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 16:38:33,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 16:38:33,973 WARN L251 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.brp2.2.prop2-func-interl.c[1171,1184] [2024-11-01 16:38:34,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 16:38:34,141 INFO L204 MainTranslator]: Completed translation [2024-11-01 16:38:34,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34 WrapperNode [2024-11-01 16:38:34,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 16:38:34,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 16:38:34,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 16:38:34,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 16:38:34,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,344 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2643 [2024-11-01 16:38:34,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 16:38:34,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 16:38:34,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 16:38:34,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 16:38:34,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,376 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,442 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]. [2024-11-01 16:38:34,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 16:38:34,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 16:38:34,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 16:38:34,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 16:38:34,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (1/1) ... [2024-11-01 16:38:34,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 16:38:34,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 16:38:34,598 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) [2024-11-01 16:38:34,605 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 [2024-11-01 16:38:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 16:38:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 16:38:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 16:38:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 16:38:35,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 16:38:35,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 16:38:37,864 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-01 16:38:37,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 16:38:37,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 16:38:37,876 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 16:38:37,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 04:38:37 BoogieIcfgContainer [2024-11-01 16:38:37,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 16:38:37,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 16:38:37,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 16:38:37,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 16:38:37,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 04:38:33" (1/3) ... [2024-11-01 16:38:37,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556a4f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 04:38:37, skipping insertion in model container [2024-11-01 16:38:37,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:38:34" (2/3) ... [2024-11-01 16:38:37,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556a4f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 04:38:37, skipping insertion in model container [2024-11-01 16:38:37,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 04:38:37" (3/3) ... [2024-11-01 16:38:37,885 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.brp2.2.prop2-func-interl.c [2024-11-01 16:38:37,899 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 16:38:37,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 16:38:37,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 16:38:37,952 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;@6a33003c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 16:38:37,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 16:38:37,956 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) [2024-11-01 16:38:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 16:38:37,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 16:38:37,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 16:38:37,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 16:38:37,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 16:38:37,969 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 16:38:37,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 16:38:37,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562145636] [2024-11-01 16:38:37,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 16:38:37,979 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 [2024-11-01 16:38:37,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 16:38:37,983 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) [2024-11-01 16:38:37,985 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 [2024-11-01 16:38:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 16:38:38,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-01 16:38:38,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 16:38:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 16:38:38,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 16:38:41,938 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") [2024-11-01 16:38:41,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-01 16:38:41,941 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 16:38:41,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562145636] [2024-11-01 16:38:41,942 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 16:38:41,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-01 16:38:42,142 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 [2024-11-01 16:38:42,143 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:912) 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 [2024-11-01 16:38:42,147 INFO L158 Benchmark]: Toolchain (without parser) took 8894.40ms. Allocated memory was 208.7MB in the beginning and 406.8MB in the end (delta: 198.2MB). Free memory was 180.8MB in the beginning and 189.0MB in the end (delta: -8.2MB). Peak memory consumption was 190.7MB. Max. memory is 8.0GB. [2024-11-01 16:38:42,148 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory was 186.0MB in the beginning and 185.8MB in the end (delta: 157.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 16:38:42,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.08ms. Allocated memory is still 208.7MB. Free memory was 180.3MB in the beginning and 96.4MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. [2024-11-01 16:38:42,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 202.67ms. Allocated memory was 208.7MB in the beginning and 268.4MB in the end (delta: 59.8MB). Free memory was 96.4MB in the beginning and 222.6MB in the end (delta: -126.2MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2024-11-01 16:38:42,152 INFO L158 Benchmark]: Boogie Preprocessor took 218.60ms. Allocated memory is still 268.4MB. Free memory was 222.6MB in the beginning and 199.0MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-11-01 16:38:42,153 INFO L158 Benchmark]: RCFGBuilder took 3311.04ms. Allocated memory was 268.4MB in the beginning and 406.8MB in the end (delta: 138.4MB). Free memory was 199.0MB in the beginning and 248.1MB in the end (delta: -49.1MB). Peak memory consumption was 207.1MB. Max. memory is 8.0GB. [2024-11-01 16:38:42,153 INFO L158 Benchmark]: TraceAbstraction took 4267.53ms. Allocated memory is still 406.8MB. Free memory was 247.6MB in the beginning and 189.0MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2024-11-01 16:38:42,159 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 208.7MB. Free memory was 186.0MB in the beginning and 185.8MB in the end (delta: 157.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 889.08ms. Allocated memory is still 208.7MB. Free memory was 180.3MB in the beginning and 96.4MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 202.67ms. Allocated memory was 208.7MB in the beginning and 268.4MB in the end (delta: 59.8MB). Free memory was 96.4MB in the beginning and 222.6MB in the end (delta: -126.2MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 218.60ms. Allocated memory is still 268.4MB. Free memory was 222.6MB in the beginning and 199.0MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * RCFGBuilder took 3311.04ms. Allocated memory was 268.4MB in the beginning and 406.8MB in the end (delta: 138.4MB). Free memory was 199.0MB in the beginning and 248.1MB in the end (delta: -49.1MB). Peak memory consumption was 207.1MB. Max. memory is 8.0GB. * TraceAbstraction took 4267.53ms. Allocated memory is still 406.8MB. Free memory was 247.6MB in the beginning and 189.0MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. 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...