./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.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 a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:36:24,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:36:24,312 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:36:24,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:36:24,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:36:24,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:36:24,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:36:24,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:36:24,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:36:24,343 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:36:24,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:36:24,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:36:24,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:36:24,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:36:24,345 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:36:24,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:36:24,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:36:24,346 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:36:24,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:36:24,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:36:24,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:36:24,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:36:24,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:36:24,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:36:24,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:36:24,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:36:24,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:36:24,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:36:24,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:36:24,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:36:24,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:36:24,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:36:24,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:36:24,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:36:24,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:36:24,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:36:24,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:36:24,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:36:24,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:36:24,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:36:24,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:36:24,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:36:24,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 [2024-11-18 23:36:24,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:36:24,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:36:24,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:36:24,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:36:24,565 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:36:24,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2024-11-18 23:36:25,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:36:25,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:36:25,899 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2024-11-18 23:36:25,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79b526f0/e06e9ad647424e01a65a58c28873559a/FLAG2d413ef6f [2024-11-18 23:36:26,298 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79b526f0/e06e9ad647424e01a65a58c28873559a [2024-11-18 23:36:26,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:36:26,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:36:26,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:36:26,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:36:26,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:36:26,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22239522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26, skipping insertion in model container [2024-11-18 23:36:26,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:36:26,445 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-27.i[915,928] [2024-11-18 23:36:26,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:36:26,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:36:26,478 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-27.i[915,928] [2024-11-18 23:36:26,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:36:26,498 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:36:26,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26 WrapperNode [2024-11-18 23:36:26,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:36:26,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:36:26,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:36:26,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:36:26,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,529 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2024-11-18 23:36:26,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:36:26,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:36:26,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:36:26,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:36:26,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,549 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]. [2024-11-18 23:36:26,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:36:26,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:36:26,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:36:26,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:36:26,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (1/1) ... [2024-11-18 23:36:26,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:36:26,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:36:26,591 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) [2024-11-18 23:36:26,600 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 [2024-11-18 23:36:26,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:36:26,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:36:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:36:26,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:36:26,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:36:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:36:26,693 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:36:26,696 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:36:26,830 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-18 23:36:26,830 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:36:26,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:36:26,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:36:26,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:26 BoogieIcfgContainer [2024-11-18 23:36:26,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:36:26,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:36:26,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:36:26,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:36:26,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:36:26" (1/3) ... [2024-11-18 23:36:26,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa497d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:26, skipping insertion in model container [2024-11-18 23:36:26,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:26" (2/3) ... [2024-11-18 23:36:26,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa497d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:26, skipping insertion in model container [2024-11-18 23:36:26,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:26" (3/3) ... [2024-11-18 23:36:26,845 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-27.i [2024-11-18 23:36:26,871 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:36:26,871 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:36:26,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:36:26,942 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;@17187313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:36:26,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:36:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-18 23:36:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 23:36:26,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:36:26,953 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:36:26,953 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:36:26,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:36:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1900380128, now seen corresponding path program 1 times [2024-11-18 23:36:26,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:36:26,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111105386] [2024-11-18 23:36:26,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:36:26,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:36:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:36:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-18 23:36:27,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:36:27,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111105386] [2024-11-18 23:36:27,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111105386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:36:27,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708033936] [2024-11-18 23:36:27,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:36:27,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:36:27,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:36:27,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:36:27,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:36:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:36:27,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:36:27,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:36:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-18 23:36:27,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:36:27,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708033936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:36:27,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:36:27,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:36:27,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866866707] [2024-11-18 23:36:27,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:36:27,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:36:27,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:36:27,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:36:27,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:36:27,207 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 23:36:27,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:36:27,221 INFO L93 Difference]: Finished difference Result 51 states and 75 transitions. [2024-11-18 23:36:27,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:36:27,223 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-11-18 23:36:27,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:36:27,228 INFO L225 Difference]: With dead ends: 51 [2024-11-18 23:36:27,228 INFO L226 Difference]: Without dead ends: 25 [2024-11-18 23:36:27,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:36:27,235 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:36:27,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:36:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-18 23:36:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-18 23:36:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-18 23:36:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2024-11-18 23:36:27,260 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 38 [2024-11-18 23:36:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:36:27,261 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-11-18 23:36:27,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 23:36:27,261 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-18 23:36:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 23:36:27,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:36:27,262 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:36:27,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 23:36:27,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:36:27,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:36:27,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:36:27,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1246565858, now seen corresponding path program 1 times [2024-11-18 23:36:27,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:36:27,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020630699] [2024-11-18 23:36:27,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:36:27,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:36:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:36:27,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:36:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:36:27,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:36:27,582 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:36:27,583 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:36:27,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 23:36:27,586 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-18 23:36:27,616 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:36:27,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:36:27 BoogieIcfgContainer [2024-11-18 23:36:27,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:36:27,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:36:27,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:36:27,619 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:36:27,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:26" (3/4) ... [2024-11-18 23:36:27,621 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:36:27,622 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:36:27,623 INFO L158 Benchmark]: Toolchain (without parser) took 1321.80ms. Allocated memory is still 184.5MB. Free memory was 116.8MB in the beginning and 119.1MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:36:27,623 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:36:27,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.65ms. Allocated memory is still 184.5MB. Free memory was 116.6MB in the beginning and 103.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 23:36:27,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.71ms. Allocated memory is still 184.5MB. Free memory was 103.8MB in the beginning and 102.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:36:27,624 INFO L158 Benchmark]: Boogie Preprocessor took 27.87ms. Allocated memory is still 184.5MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:36:27,624 INFO L158 Benchmark]: RCFGBuilder took 280.16ms. Allocated memory is still 184.5MB. Free memory was 99.8MB in the beginning and 87.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 23:36:27,624 INFO L158 Benchmark]: TraceAbstraction took 777.83ms. Allocated memory is still 184.5MB. Free memory was 87.0MB in the beginning and 119.8MB in the end (delta: -32.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:36:27,625 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 184.5MB. Free memory was 119.8MB in the beginning and 119.1MB in the end (delta: 751.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:36:27,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.65ms. Allocated memory is still 184.5MB. Free memory was 116.6MB in the beginning and 103.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.71ms. Allocated memory is still 184.5MB. Free memory was 103.8MB in the beginning and 102.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.87ms. Allocated memory is still 184.5MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.16ms. Allocated memory is still 184.5MB. Free memory was 99.8MB in the beginning and 87.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 777.83ms. Allocated memory is still 184.5MB. Free memory was 87.0MB in the beginning and 119.8MB in the end (delta: -32.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 184.5MB. Free memory was 119.8MB in the beginning and 119.1MB in the end (delta: 751.5kB). 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 someBinaryDOUBLEComparisonOperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 64; [L23] unsigned char var_1_4 = 1; [L24] unsigned short int var_1_5 = 16; [L25] unsigned short int var_1_6 = 32; [L26] signed long int var_1_7 = -10; [L27] double var_1_8 = 9999999.5; [L28] double var_1_9 = 10.25; VAL [isInitial=0, var_1_1=64, var_1_4=1, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L44] var_1_4 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L45] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=64, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L46] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L46] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L47] var_1_5 = __VERIFIER_nondet_ushort() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L49] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L49] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L50] var_1_9 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2] [L51] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2] [L64] RET updateVariables() [L65] CALL step() [L32] var_1_6 = var_1_5 [L33] var_1_7 = var_1_6 [L34] var_1_8 = var_1_9 VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=10000004, var_1_9=10000004] [L35] COND FALSE !((0.5 + var_1_8) != (var_1_8 * 0.5)) [L40] var_1_1 = var_1_5 VAL [isInitial=1, var_1_1=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=10000004, var_1_9=10000004] [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((((0.5 + var_1_8) != (var_1_8 * 0.5)) ? (var_1_4 ? (var_1_1 == ((unsigned short int) var_1_5)) : 1) : (var_1_1 == ((unsigned short int) var_1_5))) && (var_1_6 == ((unsigned short int) var_1_5))) && (var_1_7 == ((signed long int) var_1_6))) && (var_1_8 == ((double) var_1_9)) ; VAL [\result=0, isInitial=1, var_1_1=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=10000004, var_1_9=10000004] [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=10000004, var_1_9=10000004] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=10000004, var_1_9=10000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 72/80 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 [2024-11-18 23:36:27,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.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 a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:36:29,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:36:29,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:36:29,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:36:29,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:36:29,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:36:29,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:36:29,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:36:29,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:36:29,428 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:36:29,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:36:29,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:36:29,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:36:29,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:36:29,428 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:36:29,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:36:29,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:36:29,429 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:36:29,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:36:29,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:36:29,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:36:29,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:36:29,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:36:29,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:36:29,432 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:36:29,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:36:29,432 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:36:29,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:36:29,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:36:29,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:36:29,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:36:29,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:36:29,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:36:29,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:36:29,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:36:29,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:36:29,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:36:29,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:36:29,434 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:36:29,434 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:36:29,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:36:29,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:36:29,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:36:29,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:36:29,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 [2024-11-18 23:36:29,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:36:29,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:36:29,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:36:29,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:36:29,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:36:29,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2024-11-18 23:36:30,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:36:31,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:36:31,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2024-11-18 23:36:31,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72cf1161/0346ca72c6c14c0590e944c7c5c24397/FLAG7bf01c7b5 [2024-11-18 23:36:31,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72cf1161/0346ca72c6c14c0590e944c7c5c24397 [2024-11-18 23:36:31,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:36:31,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:36:31,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:36:31,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:36:31,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:36:31,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8aa4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31, skipping insertion in model container [2024-11-18 23:36:31,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:36:31,246 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-27.i[915,928] [2024-11-18 23:36:31,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:36:31,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:36:31,299 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-27.i[915,928] [2024-11-18 23:36:31,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:36:31,327 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:36:31,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31 WrapperNode [2024-11-18 23:36:31,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:36:31,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:36:31,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:36:31,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:36:31,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,375 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2024-11-18 23:36:31,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:36:31,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:36:31,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:36:31,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:36:31,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,397 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]. [2024-11-18 23:36:31,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:36:31,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:36:31,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:36:31,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:36:31,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (1/1) ... [2024-11-18 23:36:31,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:36:31,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:36:31,446 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) [2024-11-18 23:36:31,448 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 [2024-11-18 23:36:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:36:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:36:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:36:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:36:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:36:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:36:31,540 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:36:31,543 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:36:32,375 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-18 23:36:32,375 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:36:32,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:36:32,385 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:36:32,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:32 BoogieIcfgContainer [2024-11-18 23:36:32,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:36:32,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:36:32,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:36:32,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:36:32,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:36:31" (1/3) ... [2024-11-18 23:36:32,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bce2c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:32, skipping insertion in model container [2024-11-18 23:36:32,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:31" (2/3) ... [2024-11-18 23:36:32,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bce2c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:32, skipping insertion in model container [2024-11-18 23:36:32,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:32" (3/3) ... [2024-11-18 23:36:32,393 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-27.i [2024-11-18 23:36:32,406 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:36:32,406 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:36:32,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:36:32,457 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;@43e4d238, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:36:32,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:36:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-18 23:36:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 23:36:32,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:36:32,468 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:36:32,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:36:32,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:36:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1900380128, now seen corresponding path program 1 times [2024-11-18 23:36:32,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:36:32,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347061600] [2024-11-18 23:36:32,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:36:32,480 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 [2024-11-18 23:36:32,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:36:32,483 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) [2024-11-18 23:36:32,486 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 [2024-11-18 23:36:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:36:32,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:36:32,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:36:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-18 23:36:32,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:36:32,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:36:32,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347061600] [2024-11-18 23:36:32,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347061600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:36:32,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:36:32,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:36:32,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350091445] [2024-11-18 23:36:32,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:36:32,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:36:32,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:36:32,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:36:32,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:36:32,776 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 23:36:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:36:32,792 INFO L93 Difference]: Finished difference Result 51 states and 75 transitions. [2024-11-18 23:36:32,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:36:32,794 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-11-18 23:36:32,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:36:32,798 INFO L225 Difference]: With dead ends: 51 [2024-11-18 23:36:32,798 INFO L226 Difference]: Without dead ends: 25 [2024-11-18 23:36:32,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:36:32,803 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:36:32,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:36:32,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-18 23:36:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-18 23:36:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-18 23:36:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2024-11-18 23:36:32,830 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 38 [2024-11-18 23:36:32,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:36:32,830 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-11-18 23:36:32,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 23:36:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-18 23:36:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 23:36:32,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:36:32,831 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:36:32,838 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 [2024-11-18 23:36:33,032 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 [2024-11-18 23:36:33,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:36:33,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:36:33,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1246565858, now seen corresponding path program 1 times [2024-11-18 23:36:33,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:36:33,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063487402] [2024-11-18 23:36:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:36:33,034 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 [2024-11-18 23:36:33,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:36:33,035 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) [2024-11-18 23:36:33,036 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 [2024-11-18 23:36:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:36:33,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-18 23:36:33,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:36:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-18 23:36:36,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:36:36,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:36:36,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063487402] [2024-11-18 23:36:36,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063487402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:36:36,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:36:36,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-18 23:36:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217470173] [2024-11-18 23:36:36,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:36:36,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-18 23:36:36,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:36:36,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-18 23:36:36,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-18 23:36:36,847 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-18 23:36:38,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:36:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:36:40,295 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2024-11-18 23:36:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-18 23:36:40,296 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 38 [2024-11-18 23:36:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:36:40,297 INFO L225 Difference]: With dead ends: 59 [2024-11-18 23:36:40,297 INFO L226 Difference]: Without dead ends: 57 [2024-11-18 23:36:40,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-18 23:36:40,300 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 57 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-18 23:36:40,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 109 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-18 23:36:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-18 23:36:40,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 40. [2024-11-18 23:36:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-18 23:36:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-11-18 23:36:40,309 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 38 [2024-11-18 23:36:40,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:36:40,309 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-18 23:36:40,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-18 23:36:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-18 23:36:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-18 23:36:40,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:36:40,310 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:36:40,318 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 (3)] Ended with exit code 0 [2024-11-18 23:36:40,511 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 [2024-11-18 23:36:40,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:36:40,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:36:40,512 INFO L85 PathProgramCache]: Analyzing trace with hash -244877362, now seen corresponding path program 1 times [2024-11-18 23:36:40,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:36:40,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566460784] [2024-11-18 23:36:40,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:36:40,512 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 [2024-11-18 23:36:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:36:40,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:36:40,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-18 23:36:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:36:40,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-18 23:36:40,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:36:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-18 23:36:56,157 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:36:56,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:36:56,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566460784] [2024-11-18 23:36:56,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566460784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:36:56,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:36:56,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-18 23:36:56,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660942619] [2024-11-18 23:36:56,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:36:56,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 23:36:56,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:36:56,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 23:36:56,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-18 23:36:56,159 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-18 23:37:30,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:30,385 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2024-11-18 23:37:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-18 23:37:30,399 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 39 [2024-11-18 23:37:30,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:30,399 INFO L225 Difference]: With dead ends: 63 [2024-11-18 23:37:30,399 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 23:37:30,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 33.2s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-11-18 23:37:30,401 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 50 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:30,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 143 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-11-18 23:37:30,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 23:37:30,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 23:37:30,401 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) [2024-11-18 23:37:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 23:37:30,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-18 23:37:30,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:30,402 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 23:37:30,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-18 23:37:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 23:37:30,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 23:37:30,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:37:30,413 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 (4)] Ended with exit code 0 [2024-11-18 23:37:30,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:37:30,608 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 23:37:30,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 23:37:41,538 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:37:41,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:41,556 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:41,556 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:41,556 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:41,556 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:41,556 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:41,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:41,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:41,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:41,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:41,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:37:41 BoogieIcfgContainer [2024-11-18 23:37:41,567 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:37:41,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:37:41,568 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:37:41,568 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:37:41,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:32" (3/4) ... [2024-11-18 23:37:41,570 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 23:37:41,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-18 23:37:41,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-18 23:37:41,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-18 23:37:41,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-18 23:37:41,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 23:37:41,645 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 23:37:41,645 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 23:37:41,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:37:41,646 INFO L158 Benchmark]: Toolchain (without parser) took 70560.74ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 40.9MB in the beginning and 37.8MB in the end (delta: 3.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-18 23:37:41,646 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 62.9MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:37:41,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.97ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 27.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 23:37:41,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.06ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 27.2MB in the beginning and 66.4MB in the end (delta: -39.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-18 23:37:41,647 INFO L158 Benchmark]: Boogie Preprocessor took 37.36ms. Allocated memory is still 86.0MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:41,648 INFO L158 Benchmark]: RCFGBuilder took 971.43ms. Allocated memory is still 86.0MB. Free memory was 64.3MB in the beginning and 52.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 23:37:41,648 INFO L158 Benchmark]: TraceAbstraction took 69180.04ms. Allocated memory is still 86.0MB. Free memory was 51.7MB in the beginning and 42.9MB in the end (delta: 8.8MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-18 23:37:41,648 INFO L158 Benchmark]: Witness Printer took 77.39ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 37.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 23:37:41,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 62.9MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.97ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 27.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.06ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 27.2MB in the beginning and 66.4MB in the end (delta: -39.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.36ms. Allocated memory is still 86.0MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 971.43ms. Allocated memory is still 86.0MB. Free memory was 64.3MB in the beginning and 52.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 69180.04ms. Allocated memory is still 86.0MB. Free memory was 51.7MB in the beginning and 42.9MB in the end (delta: 8.8MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 77.39ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 37.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. 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: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.2s, OverallIterations: 3, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 12.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 283 SdHoareTripleChecker+Invalid, 12.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 84 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 34.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 608 SizeOfPredicates, 16 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 120/120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_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)))) RESULT: Ultimate proved your program to be correct! [2024-11-18 23:37:41,768 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