/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis FINITE_AUTOMATA --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 23:21:45,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 23:21:45,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-13 23:21:45,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 23:21:45,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 23:21:45,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 23:21:45,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 23:21:45,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 23:21:45,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 23:21:45,925 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 23:21:45,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 23:21:45,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 23:21:45,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 23:21:45,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 23:21:45,926 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 23:21:45,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 23:21:45,927 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 23:21:45,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 23:21:45,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 23:21:45,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 23:21:45,928 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> FINITE_AUTOMATA Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-13 23:21:46,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 23:21:46,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 23:21:46,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 23:21:46,176 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 23:21:46,176 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 23:21:46,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c [2025-04-13 23:21:48,130 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4e134c3/92c1afcf222149cc917b9cf19c2084fe/FLAGf1199fbd0 [2025-04-13 23:21:48,353 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 23:21:48,354 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c [2025-04-13 23:21:48,360 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4e134c3/92c1afcf222149cc917b9cf19c2084fe/FLAGf1199fbd0 [2025-04-13 23:21:49,181 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4e134c3/92c1afcf222149cc917b9cf19c2084fe [2025-04-13 23:21:49,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 23:21:49,184 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 23:21:49,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 23:21:49,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 23:21:49,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 23:21:49,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc268e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49, skipping insertion in model container [2025-04-13 23:21:49,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 23:21:49,380 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c[2341,2354] [2025-04-13 23:21:49,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 23:21:49,393 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 23:21:49,424 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c[2341,2354] [2025-04-13 23:21:49,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 23:21:49,440 INFO L204 MainTranslator]: Completed translation [2025-04-13 23:21:49,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49 WrapperNode [2025-04-13 23:21:49,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 23:21:49,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 23:21:49,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 23:21:49,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 23:21:49,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,468 INFO L138 Inliner]: procedures = 20, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2025-04-13 23:21:49,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 23:21:49,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 23:21:49,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 23:21:49,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 23:21:49,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,497 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]. [2025-04-13 23:21:49,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,501 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 23:21:49,505 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-13 23:21:49,505 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-13 23:21:49,505 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-13 23:21:49,506 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (1/1) ... [2025-04-13 23:21:49,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 23:21:49,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 23:21:49,531 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) [2025-04-13 23:21:49,533 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 [2025-04-13 23:21:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 23:21:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 23:21:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 23:21:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 23:21:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 23:21:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-13 23:21:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-13 23:21:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-13 23:21:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-13 23:21:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 23:21:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 23:21:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 23:21:49,550 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 23:21:49,618 INFO L256 CfgBuilder]: Building ICFG [2025-04-13 23:21:49,619 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 23:21:49,774 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 23:21:49,775 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 23:21:49,775 INFO L318 CfgBuilder]: Performing block encoding [2025-04-13 23:21:49,900 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 23:21:49,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 11:21:49 BoogieIcfgContainer [2025-04-13 23:21:49,901 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-13 23:21:49,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 23:21:49,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 23:21:49,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 23:21:49,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 11:21:49" (1/3) ... [2025-04-13 23:21:49,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3566daf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:21:49, skipping insertion in model container [2025-04-13 23:21:49,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:21:49" (2/3) ... [2025-04-13 23:21:49,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3566daf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:21:49, skipping insertion in model container [2025-04-13 23:21:49,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 11:21:49" (3/3) ... [2025-04-13 23:21:49,907 INFO L128 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2025-04-13 23:21:49,917 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 23:21:49,918 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG spaghetti.wvr.c that has 5 procedures, 52 locations, 51 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-04-13 23:21:49,918 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 23:21:49,985 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-13 23:21:50,009 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 55 transitions, 138 flow [2025-04-13 23:21:50,390 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9735 states, 9734 states have (on average 4.381138278200123) internal successors, (42646), 9734 states have internal predecessors, (42646), 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) [2025-04-13 23:21:50,414 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 23:21:50,424 INFO L340 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=FINITE_AUTOMATA, 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;@5ba1ed3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 23:21:50,425 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-13 23:21:50,468 INFO L278 IsEmpty]: Start isEmpty. Operand has 9735 states, 9734 states have (on average 4.381138278200123) internal successors, (42646), 9734 states have internal predecessors, (42646), 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) [2025-04-13 23:21:50,575 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-04-13 23:21:50,576 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 23:21:50,576 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 23:21:50,577 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-13 23:21:50,581 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 23:21:50,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1755412490, now seen corresponding path program 1 times [2025-04-13 23:21:50,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 23:21:50,587 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593419851] [2025-04-13 23:21:50,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 23:21:50,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 23:21:50,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-13 23:21:50,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-13 23:21:50,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 23:21:50,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 23:21:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 23:21:51,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 23:21:51,021 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593419851] [2025-04-13 23:21:51,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593419851] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 23:21:51,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 23:21:51,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 23:21:51,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664516573] [2025-04-13 23:21:51,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 23:21:51,028 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 23:21:51,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 23:21:51,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 23:21:51,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 23:21:51,072 INFO L87 Difference]: Start difference. First operand has 9735 states, 9734 states have (on average 4.381138278200123) internal successors, (42646), 9734 states have internal predecessors, (42646), 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 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2025-04-13 23:21:51,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 23:21:51,735 INFO L93 Difference]: Finished difference Result 13400 states and 56646 transitions. [2025-04-13 23:21:51,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 23:21:51,737 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2025-04-13 23:21:51,737 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 23:21:51,859 INFO L225 Difference]: With dead ends: 13400 [2025-04-13 23:21:51,860 INFO L226 Difference]: Without dead ends: 9518 [2025-04-13 23:21:51,881 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 23:21:51,884 INFO L437 NwaCegarLoop]: 18 mSDtfsCounter, 55 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 23:21:51,884 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 30 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 23:21:51,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9518 states. [2025-04-13 23:21:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9518 to 7922. [2025-04-13 23:21:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7922 states, 7921 states have (on average 4.3335437444767075) internal successors, (34326), 7921 states have internal predecessors, (34326), 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) [2025-04-13 23:21:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7922 states to 7922 states and 34326 transitions. [2025-04-13 23:21:52,383 INFO L79 Accepts]: Start accepts. Automaton has 7922 states and 34326 transitions. Word has length 34 [2025-04-13 23:21:52,383 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 23:21:52,384 INFO L485 AbstractCegarLoop]: Abstraction has 7922 states and 34326 transitions. [2025-04-13 23:21:52,384 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2025-04-13 23:21:52,384 INFO L278 IsEmpty]: Start isEmpty. Operand 7922 states and 34326 transitions. [2025-04-13 23:21:52,412 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-04-13 23:21:52,413 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 23:21:52,413 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 23:21:52,413 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 23:21:52,413 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-13 23:21:52,414 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 23:21:52,414 INFO L85 PathProgramCache]: Analyzing trace with hash -385064652, now seen corresponding path program 2 times [2025-04-13 23:21:52,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 23:21:52,414 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948949216] [2025-04-13 23:21:52,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 23:21:52,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 23:21:52,428 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 1 equivalence classes. [2025-04-13 23:21:52,448 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-13 23:21:52,449 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 23:21:52,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 23:21:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 23:21:52,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 23:21:52,660 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948949216] [2025-04-13 23:21:52,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948949216] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 23:21:52,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 23:21:52,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 23:21:52,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295642750] [2025-04-13 23:21:52,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 23:21:52,662 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 23:21:52,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 23:21:52,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 23:21:52,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 23:21:52,662 INFO L87 Difference]: Start difference. First operand 7922 states and 34326 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2025-04-13 23:21:53,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 23:21:53,052 INFO L93 Difference]: Finished difference Result 9962 states and 42258 transitions. [2025-04-13 23:21:53,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 23:21:53,053 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2025-04-13 23:21:53,053 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 23:21:53,066 INFO L225 Difference]: With dead ends: 9962 [2025-04-13 23:21:53,066 INFO L226 Difference]: Without dead ends: 0 [2025-04-13 23:21:53,081 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 23:21:53,082 INFO L437 NwaCegarLoop]: 18 mSDtfsCounter, 45 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 23:21:53,082 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 36 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 23:21:53,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-04-13 23:21:53,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-04-13 23:21:53,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 23:21:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-04-13 23:21:53,092 INFO L79 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2025-04-13 23:21:53,092 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 23:21:53,092 INFO L485 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-13 23:21:53,092 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2025-04-13 23:21:53,092 INFO L278 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-04-13 23:21:53,093 INFO L284 IsEmpty]: Finished isEmpty. No accepting run. [2025-04-13 23:21:53,095 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-13 23:21:53,095 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-13 23:21:53,095 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-13 23:21:53,095 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-13 23:21:53,095 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-13 23:21:53,095 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 23:21:53,097 INFO L422 BasicCegarLoop]: Path program histogram: [2] [2025-04-13 23:21:53,099 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 23:21:53,099 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 23:21:53,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 11:21:53 BasicIcfg [2025-04-13 23:21:53,101 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 23:21:53,102 INFO L158 Benchmark]: Toolchain (without parser) took 3917.67ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 101.0MB in the beginning and 65.9MB in the end (delta: 35.1MB). Peak memory consumption was 161.3MB. Max. memory is 8.0GB. [2025-04-13 23:21:53,102 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 23:21:53,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.24ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-13 23:21:53,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.71ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 23:21:53,102 INFO L158 Benchmark]: Boogie Preprocessor took 35.23ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-13 23:21:53,103 INFO L158 Benchmark]: IcfgBuilder took 395.81ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 58.7MB in the end (delta: 24.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-13 23:21:53,103 INFO L158 Benchmark]: TraceAbstraction took 3199.31ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 58.0MB in the beginning and 65.9MB in the end (delta: -7.9MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. [2025-04-13 23:21:53,104 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 256.24ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.71ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 35.23ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 395.81ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 58.7MB in the end (delta: 24.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 3199.31ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 58.0MB in the beginning and 65.9MB in the end (delta: -7.9MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 97]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 88 locations, 95 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 375 IncrementalHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 36 mSDtfsCounter, 375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9735occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 2 MinimizatonAttempts, 1596 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-13 23:21:53,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...