./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-1.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 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:32:36,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:32:36,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 11:32:36,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:32:36,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:32:36,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:32:37,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:32:37,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:32:37,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:32:37,003 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:32:37,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:32:37,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:32:37,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:32:37,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:32:37,005 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:32:37,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:32:37,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:32:37,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:32:37,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 11:32:37,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:32:37,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:32:37,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:32:37,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:32:37,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:32:37,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:32:37,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:32:37,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:32:37,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:32:37,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:32:37,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:32:37,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:32:37,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:32:37,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:32:37,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:32:37,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:32:37,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:32:37,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 11:32:37,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 11:32:37,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:32:37,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:32:37,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:32:37,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:32:37,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-11-22 11:32:37,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:32:37,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:32:37,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:32:37,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:32:37,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:32:37,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-22 11:32:38,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:32:38,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:32:38,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-22 11:32:38,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a573bedf9/797d4df63aa6472fa16c36cb6f31d806/FLAG3d2641a0f [2024-11-22 11:32:38,672 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a573bedf9/797d4df63aa6472fa16c36cb6f31d806 [2024-11-22 11:32:38,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:32:38,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:32:38,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:32:38,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:32:38,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:32:38,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d9b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38, skipping insertion in model container [2024-11-22 11:32:38,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:32:38,836 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-1.i[914,927] [2024-11-22 11:32:38,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:32:38,874 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:32:38,885 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-1.i[914,927] [2024-11-22 11:32:38,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:32:38,906 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:32:38,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38 WrapperNode [2024-11-22 11:32:38,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:32:38,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:32:38,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:32:38,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:32:38,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,937 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-22 11:32:38,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:32:38,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:32:38,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:32:38,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:32:38,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,948 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,957 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]. [2024-11-22 11:32:38,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:32:38,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:32:38,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:32:38,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:32:38,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (1/1) ... [2024-11-22 11:32:38,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:32:38,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:32:39,001 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) [2024-11-22 11:32:39,004 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 [2024-11-22 11:32:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:32:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:32:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:32:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 11:32:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:32:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:32:39,098 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:32:39,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:32:39,273 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 11:32:39,274 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:32:39,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:32:39,285 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:32:39,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:39 BoogieIcfgContainer [2024-11-22 11:32:39,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:32:39,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:32:39,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:32:39,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:32:39,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:32:38" (1/3) ... [2024-11-22 11:32:39,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ff9c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:32:39, skipping insertion in model container [2024-11-22 11:32:39,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:38" (2/3) ... [2024-11-22 11:32:39,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ff9c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:32:39, skipping insertion in model container [2024-11-22 11:32:39,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:39" (3/3) ... [2024-11-22 11:32:39,292 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-1.i [2024-11-22 11:32:39,306 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:32:39,320 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:32:39,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:32:39,398 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;@7b1d898f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:32:39,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:32:39,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 11:32:39,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 11:32:39,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:32:39,410 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:32:39,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:32:39,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:32:39,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1042403981, now seen corresponding path program 1 times [2024-11-22 11:32:39,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:32:39,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030662407] [2024-11-22 11:32:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:32:39,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:32:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:32:39,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 11:32:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:32:39,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 11:32:39,706 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 11:32:39,707 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 11:32:39,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 11:32:39,712 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-22 11:32:39,757 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 11:32:39,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:32:39 BoogieIcfgContainer [2024-11-22 11:32:39,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 11:32:39,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 11:32:39,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 11:32:39,760 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 11:32:39,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:39" (3/4) ... [2024-11-22 11:32:39,763 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 11:32:39,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 11:32:39,765 INFO L158 Benchmark]: Toolchain (without parser) took 1088.77ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 97.3MB in the beginning and 161.4MB in the end (delta: -64.1MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2024-11-22 11:32:39,765 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:32:39,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.95ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 84.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 11:32:39,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.79ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:32:39,767 INFO L158 Benchmark]: Boogie Preprocessor took 28.99ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 80.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:32:39,767 INFO L158 Benchmark]: RCFGBuilder took 318.45ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 67.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 11:32:39,767 INFO L158 Benchmark]: TraceAbstraction took 472.12ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 66.8MB in the beginning and 161.4MB in the end (delta: -94.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:32:39,768 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 216.0MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:32:39,771 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 151.0MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.95ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 84.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.79ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.99ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 80.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.45ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 67.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 472.12ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 66.8MB in the beginning and 161.4MB in the end (delta: -94.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 216.0MB. Free memory is still 161.4MB. 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 63, overapproximation of someUnaryFLOAToperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 9.8; [L23] float var_1_2 = 10.375; [L24] float var_1_4 = 256.2; [L25] unsigned long int var_1_5 = 8; [L26] unsigned long int var_1_6 = 3674304896; [L27] unsigned long int var_1_7 = 8; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_9 = 0; [L30] signed short int var_1_10 = -25; [L31] signed short int var_1_11 = -5; VAL [isInitial=0, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_2=83/8, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L67] isInitial = 1 [L68] FCALL initially() [L69] COND TRUE 1 [L70] FCALL updateLastVariables() [L71] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_float() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L45] var_1_4 = __VERIFIER_nondet_float() [L46] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L46] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L47] var_1_6 = __VERIFIER_nondet_ulong() [L48] CALL assume_abort_if_not(var_1_6 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L48] RET assume_abort_if_not(var_1_6 >= 2147483647) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L49] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L49] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L50] var_1_7 = __VERIFIER_nondet_ulong() [L51] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_8=0, var_1_9=0] [L51] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_8=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=0] [L52] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0] [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L56] var_1_11 = __VERIFIER_nondet_short() [L57] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L57] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L58] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L58] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L71] RET updateVariables() [L72] CALL step() [L35] var_1_5 = (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7))) [L36] var_1_8 = var_1_9 [L37] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=49/5, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L38] COND TRUE (var_1_2 <= 8.75f) || var_1_8 [L39] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L72] RET step() [L73] CALL, EXPR property() [L63-L64] return (((((var_1_2 <= 8.75f) || var_1_8) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) && (var_1_5 == ((unsigned long int) (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7)))))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; VAL [\result=0, isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L73] RET, EXPR property() [L73] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 11:32:39,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- 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/current/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-1.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 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:32:41,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:32:41,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 11:32:41,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:32:41,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:32:41,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:32:41,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:32:41,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:32:41,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:32:41,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:32:41,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:32:41,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:32:41,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:32:41,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:32:41,708 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:32:41,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:32:41,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:32:41,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:32:41,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:32:41,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:32:41,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:32:41,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:32:41,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:32:41,713 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 11:32:41,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 11:32:41,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:32:41,714 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 11:32:41,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:32:41,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:32:41,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:32:41,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:32:41,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:32:41,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:32:41,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:32:41,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:32:41,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:32:41,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:32:41,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:32:41,716 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 11:32:41,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 11:32:41,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:32:41,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:32:41,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:32:41,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:32:41,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-11-22 11:32:41,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:32:41,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:32:41,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:32:41,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:32:41,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:32:41,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-22 11:32:43,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:32:43,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:32:43,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-22 11:32:43,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5286a5a94/73f68b2f920d4d8fa9ad0749b0a9c646/FLAGde933bec5 [2024-11-22 11:32:43,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5286a5a94/73f68b2f920d4d8fa9ad0749b0a9c646 [2024-11-22 11:32:43,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:32:43,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:32:43,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:32:43,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:32:43,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:32:43,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:32:43" (1/1) ... [2024-11-22 11:32:43,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d799f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:43, skipping insertion in model container [2024-11-22 11:32:43,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:32:43" (1/1) ... [2024-11-22 11:32:43,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:32:44,042 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-1.i[914,927] [2024-11-22 11:32:44,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:32:44,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:32:44,111 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-1.i[914,927] [2024-11-22 11:32:44,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:32:44,163 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:32:44,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44 WrapperNode [2024-11-22 11:32:44,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:32:44,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:32:44,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:32:44,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:32:44,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,201 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-11-22 11:32:44,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:32:44,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:32:44,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:32:44,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:32:44,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,235 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]. [2024-11-22 11:32:44,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:32:44,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:32:44,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:32:44,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:32:44,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (1/1) ... [2024-11-22 11:32:44,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:32:44,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:32:44,291 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) [2024-11-22 11:32:44,295 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 [2024-11-22 11:32:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:32:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 11:32:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:32:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:32:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:32:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:32:44,406 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:32:44,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:32:44,599 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 11:32:44,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:32:44,613 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:32:44,613 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:32:44,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:44 BoogieIcfgContainer [2024-11-22 11:32:44,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:32:44,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:32:44,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:32:44,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:32:44,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:32:43" (1/3) ... [2024-11-22 11:32:44,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80d84ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:32:44, skipping insertion in model container [2024-11-22 11:32:44,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:44" (2/3) ... [2024-11-22 11:32:44,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80d84ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:32:44, skipping insertion in model container [2024-11-22 11:32:44,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:44" (3/3) ... [2024-11-22 11:32:44,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-1.i [2024-11-22 11:32:44,636 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:32:44,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:32:44,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:32:44,711 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;@70e36cb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:32:44,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:32:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 11:32:44,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 11:32:44,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:32:44,724 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:32:44,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:32:44,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:32:44,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1042403981, now seen corresponding path program 1 times [2024-11-22 11:32:44,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:32:44,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622657296] [2024-11-22 11:32:44,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:32:44,742 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 [2024-11-22 11:32:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:32:44,745 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) [2024-11-22 11:32:44,747 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 [2024-11-22 11:32:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:32:44,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 11:32:44,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:32:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-22 11:32:49,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 11:32:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-22 11:32:52,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:32:52,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622657296] [2024-11-22 11:32:52,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622657296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 11:32:52,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 11:32:52,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-22 11:32:52,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950900059] [2024-11-22 11:32:52,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 11:32:52,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 11:32:52,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:32:52,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 11:32:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-22 11:32:52,597 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-22 11:32:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:32:53,827 INFO L93 Difference]: Finished difference Result 91 states and 138 transitions. [2024-11-22 11:32:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 11:32:53,830 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 66 [2024-11-22 11:32:53,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:32:53,836 INFO L225 Difference]: With dead ends: 91 [2024-11-22 11:32:53,836 INFO L226 Difference]: Without dead ends: 58 [2024-11-22 11:32:53,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2024-11-22 11:32:53,841 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 57 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 11:32:53,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 189 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 11:32:53,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-22 11:32:53,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 46. [2024-11-22 11:32:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.064516129032258) internal successors, (33), 32 states have internal predecessors, (33), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 11:32:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2024-11-22 11:32:53,874 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 66 [2024-11-22 11:32:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:32:53,875 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2024-11-22 11:32:53,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-22 11:32:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2024-11-22 11:32:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 11:32:53,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:32:53,877 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:32:53,883 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 [2024-11-22 11:32:54,078 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 [2024-11-22 11:32:54,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:32:54,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:32:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1040556939, now seen corresponding path program 1 times [2024-11-22 11:32:54,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:32:54,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13990582] [2024-11-22 11:32:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:32:54,080 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 [2024-11-22 11:32:54,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:32:54,081 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) [2024-11-22 11:32:54,099 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 [2024-11-22 11:32:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:32:54,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 11:32:54,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:32:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-22 11:32:55,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 11:32:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-22 11:32:57,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:32:57,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13990582] [2024-11-22 11:32:57,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13990582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 11:32:57,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 11:32:57,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-11-22 11:32:57,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578712132] [2024-11-22 11:32:57,055 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 11:32:57,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 11:32:57,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:32:57,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 11:32:57,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-22 11:32:57,057 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 11:32:57,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:32:57,439 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2024-11-22 11:32:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 11:32:57,440 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2024-11-22 11:32:57,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:32:57,441 INFO L225 Difference]: With dead ends: 64 [2024-11-22 11:32:57,441 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 11:32:57,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2024-11-22 11:32:57,442 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 38 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 11:32:57,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 164 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 11:32:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 11:32:57,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 11:32:57,443 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) [2024-11-22 11:32:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 11:32:57,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2024-11-22 11:32:57,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:32:57,444 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 11:32:57,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 11:32:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 11:32:57,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 11:32:57,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 11:32:57,454 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 [2024-11-22 11:32:57,647 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 [2024-11-22 11:32:57,650 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-22 11:32:57,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 11:32:58,645 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 11:32:58,654 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-22 11:32:58,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:32:58 BoogieIcfgContainer [2024-11-22 11:32:58,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 11:32:58,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 11:32:58,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 11:32:58,670 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 11:32:58,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:44" (3/4) ... [2024-11-22 11:32:58,674 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 11:32:58,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-22 11:32:58,681 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-22 11:32:58,681 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 11:32:58,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 11:32:58,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 11:32:58,783 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 11:32:58,783 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 11:32:58,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 11:32:58,784 INFO L158 Benchmark]: Toolchain (without parser) took 14925.74ms. Allocated memory was 71.3MB in the beginning and 635.4MB in the end (delta: 564.1MB). Free memory was 39.5MB in the beginning and 526.5MB in the end (delta: -487.0MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2024-11-22 11:32:58,784 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 50.3MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:32:58,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.56ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 49.3MB in the end (delta: -10.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-22 11:32:58,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.32ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 47.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:32:58,785 INFO L158 Benchmark]: Boogie Preprocessor took 53.36ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:32:58,785 INFO L158 Benchmark]: RCFGBuilder took 357.88ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 32.6MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 11:32:58,785 INFO L158 Benchmark]: TraceAbstraction took 14052.63ms. Allocated memory was 71.3MB in the beginning and 635.4MB in the end (delta: 564.1MB). Free memory was 31.9MB in the beginning and 532.8MB in the end (delta: -500.9MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2024-11-22 11:32:58,785 INFO L158 Benchmark]: Witness Printer took 113.97ms. Allocated memory is still 635.4MB. Free memory was 531.8MB in the beginning and 526.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 11:32:58,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 50.3MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.56ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 49.3MB in the end (delta: -10.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.32ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 47.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.36ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.88ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 32.6MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14052.63ms. Allocated memory was 71.3MB in the beginning and 635.4MB in the end (delta: 564.1MB). Free memory was 31.9MB in the beginning and 532.8MB in the end (delta: -500.9MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * Witness Printer took 113.97ms. Allocated memory is still 635.4MB. Free memory was 531.8MB in the beginning and 526.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 353 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 448 IncrementalHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 68 mSDtfsCounter, 448 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 31, 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, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 260 ConstructedInterpolants, 2 QuantifiedInterpolants, 2535 SizeOfPredicates, 32 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 660/720 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: 69]: Loop Invariant Derived loop invariant: (var_1_9 <= 0) - 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_2 == \old(var_1_2))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (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)))) RESULT: Ultimate proved your program to be correct! [2024-11-22 11:32:58,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE