./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:32:24,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:32:24,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:32:24,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:32:24,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:32:24,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:32:24,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:32:24,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:32:24,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:32:24,257 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:32:24,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:32:24,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:32:24,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:32:24,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:32:24,261 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:32:24,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:32:24,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:32:24,262 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:32:24,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:32:24,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:32:24,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:32:24,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:32:24,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:32:24,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:32:24,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:32:24,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:32:24,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:32:24,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:32:24,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:32:24,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:32:24,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:32:24,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:32:24,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:32:24,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:32:24,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:32:24,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:32:24,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:32:24,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:32:24,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:32:24,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:32:24,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:32:24,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:32:24,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-09 00:32:24,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:32:24,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:32:24,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:32:24,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:32:24,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:32:24,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-09 00:32:26,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:32:26,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:32:26,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-09 00:32:26,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6e15f7a/4868bdcd508d402ba9715e86065ef096/FLAGd6c4ab25d [2024-11-09 00:32:26,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6e15f7a/4868bdcd508d402ba9715e86065ef096 [2024-11-09 00:32:26,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:32:26,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:32:26,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:26,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:32:26,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:32:26,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f51541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26, skipping insertion in model container [2024-11-09 00:32:26,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:32:26,469 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:32:26,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:32:26,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:32:26,520 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:32:26,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:32:26,550 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:32:26,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26 WrapperNode [2024-11-09 00:32:26,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:26,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:32:26,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:32:26,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:32:26,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,592 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-09 00:32:26,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:32:26,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:32:26,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:32:26,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:32:26,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,624 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]. [2024-11-09 00:32:26,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:32:26,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:32:26,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:32:26,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:32:26,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (1/1) ... [2024-11-09 00:32:26,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:32:26,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:32:26,687 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) [2024-11-09 00:32:26,690 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 [2024-11-09 00:32:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:32:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:32:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:32:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:32:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:32:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:32:26,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:32:26,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:32:27,157 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:32:27,157 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:32:27,177 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:32:27,177 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:32:27,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:27 BoogieIcfgContainer [2024-11-09 00:32:27,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:32:27,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:32:27,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:32:27,185 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:32:27,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:32:26" (1/3) ... [2024-11-09 00:32:27,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747b50b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:32:27, skipping insertion in model container [2024-11-09 00:32:27,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:26" (2/3) ... [2024-11-09 00:32:27,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747b50b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:32:27, skipping insertion in model container [2024-11-09 00:32:27,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:27" (3/3) ... [2024-11-09 00:32:27,190 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-21.i [2024-11-09 00:32:27,208 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:32:27,208 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:32:27,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:32:27,289 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;@13891083, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:32:27,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:32:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 00:32:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:32:27,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:32:27,305 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 00:32:27,306 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:32:27,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:32:27,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1691308479, now seen corresponding path program 1 times [2024-11-09 00:32:27,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:32:27,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701085722] [2024-11-09 00:32:27,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:32:27,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:32:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:32:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 00:32:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:32:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 00:32:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:32:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:32:27,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:32:27,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701085722] [2024-11-09 00:32:27,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701085722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:32:27,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:32:27,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:32:27,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777017356] [2024-11-09 00:32:27,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:32:27,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:32:27,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:32:27,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:32:27,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:32:27,646 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 00:32:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:32:27,662 INFO L93 Difference]: Finished difference Result 67 states and 100 transitions. [2024-11-09 00:32:27,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:32:27,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-09 00:32:27,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:32:27,671 INFO L225 Difference]: With dead ends: 67 [2024-11-09 00:32:27,671 INFO L226 Difference]: Without dead ends: 33 [2024-11-09 00:32:27,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:32:27,678 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:32:27,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:32:27,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-09 00:32:27,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-09 00:32:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 00:32:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-11-09 00:32:27,723 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 47 [2024-11-09 00:32:27,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:32:27,723 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-09 00:32:27,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 00:32:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-09 00:32:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:32:27,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:32:27,726 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 00:32:27,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:32:27,727 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:32:27,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:32:27,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1999284991, now seen corresponding path program 1 times [2024-11-09 00:32:27,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:32:27,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819900274] [2024-11-09 00:32:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:32:27,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:32:27,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111832791] [2024-11-09 00:32:27,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:32:27,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:32:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:32:27,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:32:27,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:32:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:32:27,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:32:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:32:28,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 00:32:28,026 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 00:32:28,028 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 00:32:28,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 00:32:28,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:32:28,234 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 00:32:28,274 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 00:32:28,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:32:28 BoogieIcfgContainer [2024-11-09 00:32:28,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 00:32:28,279 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:32:28,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:32:28,280 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:32:28,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:27" (3/4) ... [2024-11-09 00:32:28,283 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:32:28,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:32:28,286 INFO L158 Benchmark]: Toolchain (without parser) took 2025.91ms. Allocated memory is still 205.5MB. Free memory was 137.5MB in the beginning and 122.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-09 00:32:28,286 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:32:28,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.92ms. Allocated memory is still 205.5MB. Free memory was 137.3MB in the beginning and 124.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:32:28,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.00ms. Allocated memory is still 205.5MB. Free memory was 124.2MB in the beginning and 121.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:28,287 INFO L158 Benchmark]: Boogie Preprocessor took 47.64ms. Allocated memory is still 205.5MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:28,288 INFO L158 Benchmark]: RCFGBuilder took 532.49ms. Allocated memory is still 205.5MB. Free memory was 119.6MB in the beginning and 166.7MB in the end (delta: -47.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-09 00:32:28,288 INFO L158 Benchmark]: TraceAbstraction took 1096.98ms. Allocated memory is still 205.5MB. Free memory was 166.2MB in the beginning and 122.6MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 00:32:28,290 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 205.5MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:32:28,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.92ms. Allocated memory is still 205.5MB. Free memory was 137.3MB in the beginning and 124.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.00ms. Allocated memory is still 205.5MB. Free memory was 124.2MB in the beginning and 121.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.64ms. Allocated memory is still 205.5MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.49ms. Allocated memory is still 205.5MB. Free memory was 119.6MB in the beginning and 166.7MB in the end (delta: -47.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1096.98ms. Allocated memory is still 205.5MB. Free memory was 166.2MB in the beginning and 122.6MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 205.5MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; VAL [isInitial=0, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=10, var_1_8=0, var_1_9=4] [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=10, var_1_8=0, var_1_9=4] [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0] [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L36] EXPR var_1_8 & (var_1_12 * var_1_8) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND TRUE stepLocal_0 < (last_1_var_1_1 / var_1_6) [L38] var_1_1 = (var_1_8 + 256) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 43 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 60/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:32:28,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:32:30,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:32:30,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 00:32:30,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:32:30,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:32:30,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:32:30,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:32:30,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:32:30,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:32:30,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:32:30,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:32:30,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:32:30,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:32:30,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:32:30,706 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:32:30,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:32:30,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:32:30,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:32:30,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:32:30,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:32:30,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:32:30,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:32:30,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:32:30,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:32:30,713 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:32:30,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:32:30,713 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:32:30,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:32:30,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:32:30,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:32:30,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:32:30,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:32:30,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:32:30,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:32:30,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:32:30,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:32:30,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:32:30,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:32:30,718 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 00:32:30,718 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:30,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:32:30,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:32:30,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:32:30,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:32:30,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-09 00:32:31,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:32:31,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:32:31,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:32:31,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:32:31,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:32:31,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-09 00:32:32,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:32:32,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:32:32,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-09 00:32:32,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1dc0b3b7/375158f5853f4f908cc74219544d8139/FLAG94cccee30 [2024-11-09 00:32:33,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1dc0b3b7/375158f5853f4f908cc74219544d8139 [2024-11-09 00:32:33,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:32:33,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:32:33,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:33,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:32:33,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:32:33,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db66de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33, skipping insertion in model container [2024-11-09 00:32:33,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:32:33,480 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:32:33,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:32:33,535 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:32:33,547 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:32:33,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:32:33,588 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:32:33,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33 WrapperNode [2024-11-09 00:32:33,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:33,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:32:33,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:32:33,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:32:33,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,629 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 64 [2024-11-09 00:32:33,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:32:33,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:32:33,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:32:33,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:32:33,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,662 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]. [2024-11-09 00:32:33,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:32:33,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:32:33,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:32:33,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:32:33,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (1/1) ... [2024-11-09 00:32:33,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:32:33,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:32:33,730 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) [2024-11-09 00:32:33,737 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 [2024-11-09 00:32:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:32:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 00:32:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:32:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:32:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:32:33,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:32:33,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:32:33,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:32:34,139 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:32:34,139 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:32:34,150 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:32:34,150 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:32:34,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:34 BoogieIcfgContainer [2024-11-09 00:32:34,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:32:34,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:32:34,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:32:34,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:32:34,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:32:33" (1/3) ... [2024-11-09 00:32:34,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6a531d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:32:34, skipping insertion in model container [2024-11-09 00:32:34,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:33" (2/3) ... [2024-11-09 00:32:34,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6a531d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:32:34, skipping insertion in model container [2024-11-09 00:32:34,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:34" (3/3) ... [2024-11-09 00:32:34,158 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-21.i [2024-11-09 00:32:34,171 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:32:34,171 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:32:34,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:32:34,226 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;@15043cad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:32:34,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:32:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 00:32:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:32:34,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:32:34,238 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 00:32:34,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:32:34,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:32:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1845334235, now seen corresponding path program 1 times [2024-11-09 00:32:34,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 00:32:34,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315592960] [2024-11-09 00:32:34,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:32:34,262 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 [2024-11-09 00:32:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 00:32:34,268 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) [2024-11-09 00:32:34,270 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 [2024-11-09 00:32:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:34,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:32:34,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 00:32:34,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 00:32:34,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 00:32:34,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315592960] [2024-11-09 00:32:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315592960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:32:34,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:32:34,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:32:34,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699776592] [2024-11-09 00:32:34,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:32:34,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:32:34,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 00:32:34,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:32:34,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:32:34,454 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 00:32:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:32:34,469 INFO L93 Difference]: Finished difference Result 51 states and 76 transitions. [2024-11-09 00:32:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:32:34,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-09 00:32:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:32:34,476 INFO L225 Difference]: With dead ends: 51 [2024-11-09 00:32:34,476 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 00:32:34,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:32:34,481 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:32:34,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:32:34,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 00:32:34,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 00:32:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 00:32:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2024-11-09 00:32:34,511 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 43 [2024-11-09 00:32:34,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:32:34,511 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-11-09 00:32:34,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 00:32:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-09 00:32:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:32:34,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:32:34,514 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 00:32:34,520 INFO L552 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)] Ended with exit code 0 [2024-11-09 00:32:34,714 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 [2024-11-09 00:32:34,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:32:34,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:32:34,716 INFO L85 PathProgramCache]: Analyzing trace with hash 797153179, now seen corresponding path program 1 times [2024-11-09 00:32:34,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 00:32:34,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001522225] [2024-11-09 00:32:34,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:32:34,717 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 [2024-11-09 00:32:34,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 00:32:34,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 00:32:34,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 00:32:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:34,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:32:34,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:32:35,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 00:32:35,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 00:32:35,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001522225] [2024-11-09 00:32:35,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001522225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:32:35,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:32:35,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 00:32:35,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146999602] [2024-11-09 00:32:35,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:32:35,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 00:32:35,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 00:32:35,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 00:32:35,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 00:32:35,624 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 00:32:36,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:32:36,780 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2024-11-09 00:32:36,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 00:32:36,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2024-11-09 00:32:36,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:32:36,783 INFO L225 Difference]: With dead ends: 61 [2024-11-09 00:32:36,783 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 00:32:36,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-09 00:32:36,786 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 71 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:32:36,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 109 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:32:36,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 00:32:36,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 41. [2024-11-09 00:32:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 29 states have internal predecessors, (30), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 00:32:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-09 00:32:36,803 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 43 [2024-11-09 00:32:36,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:32:36,804 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-09 00:32:36,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 00:32:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-09 00:32:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:32:36,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:32:36,805 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 00:32:36,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:37,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:32:37,006 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:32:37,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:32:37,007 INFO L85 PathProgramCache]: Analyzing trace with hash 799000221, now seen corresponding path program 1 times [2024-11-09 00:32:37,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 00:32:37,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168404797] [2024-11-09 00:32:37,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:32:37,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:32:37,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 00:32:37,011 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-09 00:32:37,016 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 (4)] Waiting until timeout for monitored process [2024-11-09 00:32:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:37,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:32:37,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:32:39,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:32:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:32:42,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 00:32:42,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168404797] [2024-11-09 00:32:42,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168404797] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 00:32:42,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 00:32:42,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 21 [2024-11-09 00:32:42,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441803757] [2024-11-09 00:32:42,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:32:42,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 00:32:42,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 00:32:42,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 00:32:42,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-11-09 00:32:42,113 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 00:32:44,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:32:44,610 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2024-11-09 00:32:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:32:44,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2024-11-09 00:32:44,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:32:44,618 INFO L225 Difference]: With dead ends: 48 [2024-11-09 00:32:44,618 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 00:32:44,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2024-11-09 00:32:44,619 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 00:32:44,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 69 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 00:32:44,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 00:32:44,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 00:32:44,621 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) [2024-11-09 00:32:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 00:32:44,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-09 00:32:44,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:32:44,621 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 00:32:44,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 00:32:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 00:32:44,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:32:44,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 00:32:44,634 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 (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:44,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-09 00:32:44,830 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 00:32:44,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 00:32:47,037 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 00:32:47,049 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:32:47,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:32:47,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:32:47,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:32:47,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:32:47,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:32:47,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:32:47,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:32:47,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:32:47,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:32:47,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:32:47 BoogieIcfgContainer [2024-11-09 00:32:47,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 00:32:47,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:32:47,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:32:47,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:32:47,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:34" (3/4) ... [2024-11-09 00:32:47,077 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:32:47,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 00:32:47,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:32:47,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:32:47,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:32:47,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:32:47,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 00:32:47,187 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 00:32:47,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:32:47,187 INFO L158 Benchmark]: Toolchain (without parser) took 13935.72ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 62.0MB in the end (delta: -16.9MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-09 00:32:47,188 INFO L158 Benchmark]: CDTParser took 1.74ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:32:47,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.35ms. Allocated memory is still 73.4MB. Free memory was 44.8MB in the beginning and 31.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:32:47,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 73.4MB. Free memory was 31.2MB in the beginning and 29.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:47,189 INFO L158 Benchmark]: Boogie Preprocessor took 60.64ms. Allocated memory is still 73.4MB. Free memory was 29.5MB in the beginning and 27.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:47,189 INFO L158 Benchmark]: RCFGBuilder took 457.16ms. Allocated memory is still 73.4MB. Free memory was 27.4MB in the beginning and 45.8MB in the end (delta: -18.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-09 00:32:47,189 INFO L158 Benchmark]: TraceAbstraction took 12914.32ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.4MB in the beginning and 25.0MB in the end (delta: 20.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-09 00:32:47,190 INFO L158 Benchmark]: Witness Printer took 119.06ms. Allocated memory is still 88.1MB. Free memory was 25.0MB in the beginning and 62.0MB in the end (delta: -37.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:47,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.74ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.35ms. Allocated memory is still 73.4MB. Free memory was 44.8MB in the beginning and 31.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 73.4MB. Free memory was 31.2MB in the beginning and 29.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.64ms. Allocated memory is still 73.4MB. Free memory was 29.5MB in the beginning and 27.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.16ms. Allocated memory is still 73.4MB. Free memory was 27.4MB in the beginning and 45.8MB in the end (delta: -18.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12914.32ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.4MB in the beginning and 25.0MB in the end (delta: 20.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 119.06ms. Allocated memory is still 88.1MB. Free memory was 25.0MB in the beginning and 62.0MB in the end (delta: -37.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 19]: 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 CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 3, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 75 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=2, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 168 ConstructedInterpolants, 4 QuantifiedInterpolants, 1228 SizeOfPredicates, 20 NumberOfNonLiveVariables, 245 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 234/240 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_6 == \old(var_1_6))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (last_1_var_1_1 == \old(last_1_var_1_1)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 00:32:47,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE