/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-45.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 13:03:24,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 13:03:24,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 13:03:24,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 13:03:24,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 13:03:24,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 13:03:24,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 13:03:24,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 13:03:24,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 13:03:24,331 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 13:03:24,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 13:03:24,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 13:03:24,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 13:03:24,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 13:03:24,333 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 13:03:24,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 13:03:24,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 13:03:24,334 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 13:03:24,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 13:03:24,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 13:03:24,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 13:03:24,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 13:03:24,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 13:03:24,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 13:03:24,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 13:03:24,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 13:03:24,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 13:03:24,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 13:03:24,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 13:03:24,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 13:03:24,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 13:03:24,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 13:03:24,341 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 13:03:24,341 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 13:03:24,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:03:24,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 13:03:24,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 13:03:24,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 13:03:24,343 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 13:03:24,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 13:03:24,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 13:03:24,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 13:03:24,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 13:03:24,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 13:03:24,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 13:03:24,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 13:03:24,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 13:03:24,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 13:03:24,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 13:03:24,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 13:03:24,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-11-03 13:03:26,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 13:03:26,216 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 13:03:26,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-11-03 13:03:26,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdcfdbbd5/7522c8bf34f1461097c65ece1780ee73/FLAGe8999168f [2024-11-03 13:03:26,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdcfdbbd5/7522c8bf34f1461097c65ece1780ee73 [2024-11-03 13:03:26,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 13:03:26,598 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 13:03:26,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 13:03:26,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 13:03:26,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 13:03:26,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e710c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26, skipping insertion in model container [2024-11-03 13:03:26,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 13:03:26,788 WARN L250 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_operatoramount_amount25_file-45.i[915,928] [2024-11-03 13:03:26,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:03:26,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 13:03:26,853 WARN L250 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_operatoramount_amount25_file-45.i[915,928] [2024-11-03 13:03:26,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:03:26,900 INFO L204 MainTranslator]: Completed translation [2024-11-03 13:03:26,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26 WrapperNode [2024-11-03 13:03:26,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 13:03:26,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 13:03:26,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 13:03:26,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 13:03:26,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,937 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-03 13:03:26,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 13:03:26,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 13:03:26,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 13:03:26,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 13:03:26,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,971 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]. [2024-11-03 13:03:26,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 13:03:26,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 13:03:26,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 13:03:26,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 13:03:26,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (1/1) ... [2024-11-03 13:03:26,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:03:27,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 13:03:27,027 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) [2024-11-03 13:03:27,033 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 [2024-11-03 13:03:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 13:03:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 13:03:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 13:03:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 13:03:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 13:03:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 13:03:27,142 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 13:03:27,144 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 13:03:28,077 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 13:03:28,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 13:03:28,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 13:03:28,089 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 13:03:28,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:03:28 BoogieIcfgContainer [2024-11-03 13:03:28,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 13:03:28,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 13:03:28,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 13:03:28,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 13:03:28,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:03:26" (1/3) ... [2024-11-03 13:03:28,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dea00d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:03:28, skipping insertion in model container [2024-11-03 13:03:28,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:03:26" (2/3) ... [2024-11-03 13:03:28,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dea00d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:03:28, skipping insertion in model container [2024-11-03 13:03:28,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:03:28" (3/3) ... [2024-11-03 13:03:28,097 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-45.i [2024-11-03 13:03:28,110 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 13:03:28,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 13:03:28,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 13:03:28,165 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;@441d860a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 13:03:28,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 13:03:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-03 13:03:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-03 13:03:28,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:03:28,181 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:03:28,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:03:28,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:03:28,186 INFO L85 PathProgramCache]: Analyzing trace with hash -2122602353, now seen corresponding path program 1 times [2024-11-03 13:03:28,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:03:28,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248034475] [2024-11-03 13:03:28,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:03:28,193 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:03:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:03:28,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:03:28,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 13:03:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:03:28,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-03 13:03:28,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:03:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 339 proven. 120 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-03 13:03:30,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:04:54,703 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((v_subst_8 (_ BitVec 32))) (and (bvuge v_subst_8 (_ bv1073741824 32)) (bvule v_subst_8 (_ bv2147483647 32)) (exists ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse0 ((_ sign_extend 24) ~var_1_16~0))) (and (not (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse0)) (not (bvslt .cse0 (_ bv50 32))) (exists ((~var_1_14~0 (_ BitVec 8))) (let ((.cse1 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) v_subst_8 c_~var_1_11~0 (_ bv4294967291 32)))) (and (bvult (bvudiv (bvadd v_subst_8 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse1) (bvult .cse1 ((_ zero_extend 24) ~var_1_16~0)))))))))) (not (bvule c_~var_1_12~0 (_ bv2147483647 32))) (exists ((v_subst_5 (_ BitVec 32))) (and (exists ((~var_1_15~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_15~0))) (and (exists ((~var_1_16~0 (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) ~var_1_16~0))) (and (bvult (bvudiv (bvadd v_subst_5 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse2) (bvslt .cse3 ((_ sign_extend 24) ~var_1_16~0)) (exists ((~var_1_14~0 (_ BitVec 8))) (not (bvult (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) v_subst_5 c_~var_1_11~0 (_ bv4294967291 32)) .cse2)))))) (not (bvslt .cse3 (_ bv50 32)))))) (bvule v_subst_5 (_ bv2147483647 32)) (bvuge v_subst_5 (_ bv1073741824 32)))) (exists ((v_subst_3 (_ BitVec 32))) (and (bvuge v_subst_3 (_ bv1073741824 32)) (exists ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_15~0))) (and (exists ((~var_1_14~0 (_ BitVec 8))) (let ((.cse4 (bvadd v_subst_3 ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse5) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_11~0 (_ bv4294967291 32)))) (and (bvult .cse4 ((_ zero_extend 24) ~var_1_16~0)) (bvult (bvudiv (bvadd v_subst_3 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse4)))) (bvslt .cse5 (_ bv50 32)) (bvslt .cse5 ((_ sign_extend 24) ~var_1_16~0))))) (bvule v_subst_3 (_ bv2147483647 32)))) (exists ((v_subst_2 (_ BitVec 32))) (and (bvuge v_subst_2 (_ bv1073741824 32)) (exists ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse7 ((_ zero_extend 24) ~var_1_16~0)) (.cse6 ((_ sign_extend 24) ~var_1_16~0))) (and (not (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse6)) (bvult (bvudiv (bvadd v_subst_2 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse7) (exists ((~var_1_14~0 (_ BitVec 8))) (not (bvult (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) v_subst_2 c_~var_1_11~0 (_ bv4294967291 32)) .cse7))) (not (bvslt .cse6 (_ bv50 32)))))) (bvule v_subst_2 (_ bv2147483647 32)))) (let ((.cse10 (bvudiv (bvadd c_~var_1_12~0 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)))) (and (forall ((~var_1_15~0 (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) ~var_1_15~0))) (or (forall ((~var_1_16~0 (_ BitVec 8))) (or (not (bvslt .cse8 ((_ sign_extend 24) ~var_1_16~0))) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse9 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_12~0 c_~var_1_11~0 (_ bv4294967291 32)))) (or (not (bvult .cse9 ((_ zero_extend 24) ~var_1_16~0))) (not (bvult .cse10 .cse9))))))) (bvslt .cse8 (_ bv50 32))))) (forall ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse11 ((_ zero_extend 24) ~var_1_16~0)) (.cse12 ((_ sign_extend 24) ~var_1_16~0))) (or (forall ((~var_1_14~0 (_ BitVec 8))) (bvult (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_12~0 c_~var_1_11~0 (_ bv4294967291 32)) .cse11)) (bvslt .cse12 (_ bv50 32)) (not (bvult .cse10 .cse11)) (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse12)))) (forall ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse13 ((_ sign_extend 24) ~var_1_16~0)) (.cse14 ((_ zero_extend 24) ~var_1_16~0))) (or (not (bvslt .cse13 (_ bv50 32))) (not (bvult .cse10 .cse14)) (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse13) (forall ((~var_1_14~0 (_ BitVec 8))) (bvult (bvadd c_~var_1_12~0 c_~var_1_11~0 ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse13) ((_ sign_extend 24) ~var_1_14~0)))) (_ bv4294967291 32)) .cse14))))) (forall ((~var_1_15~0 (_ BitVec 8))) (let ((.cse15 ((_ sign_extend 24) ~var_1_15~0))) (or (forall ((~var_1_16~0 (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) ~var_1_16~0))) (or (not (bvslt .cse15 ((_ sign_extend 24) ~var_1_16~0))) (forall ((~var_1_14~0 (_ BitVec 8))) (bvult (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_12~0 c_~var_1_11~0 (_ bv4294967291 32)) .cse16)) (not (bvult .cse10 .cse16))))) (bvslt .cse15 (_ bv50 32))))) (forall ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse17 ((_ sign_extend 24) ~var_1_16~0))) (or (not (bvslt .cse17 (_ bv50 32))) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse18 (bvadd c_~var_1_12~0 c_~var_1_11~0 ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse17) ((_ sign_extend 24) ~var_1_14~0)))) (_ bv4294967291 32)))) (or (not (bvult .cse18 ((_ zero_extend 24) ~var_1_16~0))) (not (bvult .cse10 .cse18))))) (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse17)))) (forall ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse19 ((_ sign_extend 24) ~var_1_15~0))) (or (not (bvslt .cse19 ((_ sign_extend 24) ~var_1_16~0))) (not (bvslt .cse19 (_ bv50 32))) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse20 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse19) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_12~0 c_~var_1_11~0 (_ bv4294967291 32)))) (or (not (bvult .cse20 ((_ zero_extend 24) ~var_1_16~0))) (not (bvult .cse10 .cse20)))))))) (forall ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse21 ((_ sign_extend 24) ~var_1_16~0))) (or (bvslt .cse21 (_ bv50 32)) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse22 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_12~0 c_~var_1_11~0 (_ bv4294967291 32)))) (or (not (bvult .cse22 ((_ zero_extend 24) ~var_1_16~0))) (not (bvult .cse10 .cse22))))) (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse21)))) (forall ((~var_1_16~0 (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) ~var_1_16~0))) (or (forall ((~var_1_15~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8))) (let ((.cse23 ((_ sign_extend 24) ~var_1_15~0))) (or (not (bvslt .cse23 ((_ sign_extend 24) ~var_1_16~0))) (not (bvslt .cse23 (_ bv50 32))) (bvult (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse23) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_12~0 c_~var_1_11~0 (_ bv4294967291 32)) .cse24)))) (not (bvult .cse10 .cse24))))))) (not (bvuge c_~var_1_12~0 (_ bv1073741824 32))) (exists ((v_subst_1 (_ BitVec 32))) (and (exists ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse26 ((_ zero_extend 24) ~var_1_16~0)) (.cse25 ((_ sign_extend 24) ~var_1_16~0))) (and (not (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse25)) (bvult (bvudiv (bvadd v_subst_1 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse26) (exists ((~var_1_14~0 (_ BitVec 8))) (not (bvult (bvadd v_subst_1 c_~var_1_11~0 ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse25) ((_ sign_extend 24) ~var_1_14~0)))) (_ bv4294967291 32)) .cse26))) (bvslt .cse25 (_ bv50 32))))) (bvule v_subst_1 (_ bv2147483647 32)) (bvuge v_subst_1 (_ bv1073741824 32)))) (exists ((v_subst_7 (_ BitVec 32))) (and (bvule v_subst_7 (_ bv2147483647 32)) (exists ((~var_1_16~0 (_ BitVec 8))) (let ((.cse28 ((_ zero_extend 24) ~var_1_16~0))) (and (exists ((~var_1_15~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8))) (let ((.cse27 ((_ sign_extend 24) ~var_1_15~0))) (and (not (bvult (bvadd v_subst_7 ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse27) ((_ sign_extend 24) ~var_1_14~0)))) c_~var_1_11~0 (_ bv4294967291 32)) .cse28)) (bvslt .cse27 (_ bv50 32)) (bvslt .cse27 ((_ sign_extend 24) ~var_1_16~0))))) (bvult (bvudiv (bvadd v_subst_7 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse28)))) (bvuge v_subst_7 (_ bv1073741824 32)))) (exists ((v_subst_6 (_ BitVec 32))) (and (exists ((~var_1_15~0 (_ BitVec 8))) (let ((.cse29 ((_ sign_extend 24) ~var_1_15~0))) (and (not (bvslt .cse29 (_ bv50 32))) (exists ((~var_1_16~0 (_ BitVec 8))) (and (exists ((~var_1_14~0 (_ BitVec 8))) (let ((.cse30 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv4294967246 32) ((_ sign_extend 24) ~var_1_14~0)))) v_subst_6 c_~var_1_11~0 (_ bv4294967291 32)))) (and (bvult .cse30 ((_ zero_extend 24) ~var_1_16~0)) (bvult (bvudiv (bvadd v_subst_6 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse30)))) (bvslt .cse29 ((_ sign_extend 24) ~var_1_16~0))))))) (bvule v_subst_6 (_ bv2147483647 32)) (bvuge v_subst_6 (_ bv1073741824 32)))) (exists ((v_subst_4 (_ BitVec 32))) (and (bvule v_subst_4 (_ bv2147483647 32)) (bvuge v_subst_4 (_ bv1073741824 32)) (exists ((~var_1_16~0 (_ BitVec 8)) (~var_1_15~0 (_ BitVec 8))) (let ((.cse32 ((_ sign_extend 24) ~var_1_16~0))) (and (exists ((~var_1_14~0 (_ BitVec 8))) (let ((.cse31 (bvadd v_subst_4 c_~var_1_11~0 ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse32) ((_ sign_extend 24) ~var_1_14~0)))) (_ bv4294967291 32)))) (and (bvult (bvudiv (bvadd v_subst_4 c_~var_1_11~0 (_ bv4294967291 32)) (_ bv32 32)) .cse31) (bvult .cse31 ((_ zero_extend 24) ~var_1_16~0))))) (not (bvslt ((_ sign_extend 24) ~var_1_15~0) .cse32)) (bvslt .cse32 (_ bv50 32))))))) (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32)))) is different from true [2024-11-03 13:05:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 61 proven. 99 refuted. 11 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-03 13:05:02,516 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:05:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248034475] [2024-11-03 13:05:02,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [248034475] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 13:05:02,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 13:05:02,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2024-11-03 13:05:02,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234949653] [2024-11-03 13:05:02,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 13:05:02,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-03 13:05:02,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:05:02,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-03 13:05:02,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=581, Unknown=7, NotChecked=52, Total=812 [2024-11-03 13:05:02,552 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 29 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 25 states have internal predecessors, (62), 8 states have call successors, (32), 6 states have call predecessors, (32), 9 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33)