./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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-87.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 e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:14:58,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:14:58,797 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:14:58,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:14:58,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:14:58,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:14:58,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:14:58,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:14:58,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:14:58,837 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:14:58,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:14:58,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:14:58,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:14:58,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:14:58,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:14:58,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:14:58,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:14:58,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:14:58,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:14:58,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:14:58,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:14:58,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:14:58,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:14:58,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:14:58,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:14:58,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:14:58,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:14:58,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:14:58,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:14:58,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:14:58,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:14:58,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:14:58,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:14:58,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:14:58,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:14:58,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:14:58,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:14:58,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:14:58,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:14:58,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:14:58,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:14:58,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:14:58,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2024-11-12 06:14:59,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:14:59,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:14:59,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:14:59,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:14:59,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:14:59,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-12 06:15:00,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:15:00,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:15:00,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-12 06:15:00,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef76d264/a3b11376d7874a36b2ee1feef559d1de/FLAG0c49e36fe [2024-11-12 06:15:00,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef76d264/a3b11376d7874a36b2ee1feef559d1de [2024-11-12 06:15:00,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:15:00,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:15:00,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:00,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:15:00,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:15:00,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:00" (1/1) ... [2024-11-12 06:15:00,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb3d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:00, skipping insertion in model container [2024-11-12 06:15:00,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:00" (1/1) ... [2024-11-12 06:15:00,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:15:01,114 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-87.i[915,928] [2024-11-12 06:15:01,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:01,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:15:01,179 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-87.i[915,928] [2024-11-12 06:15:01,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:01,220 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:15:01,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01 WrapperNode [2024-11-12 06:15:01,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:01,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:01,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:15:01,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:15:01,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,275 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2024-11-12 06:15:01,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:01,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:15:01,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:15:01,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:15:01,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,310 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]. [2024-11-12 06:15:01,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:15:01,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:15:01,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:15:01,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:15:01,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (1/1) ... [2024-11-12 06:15:01,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:15:01,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:15:01,386 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) [2024-11-12 06:15:01,390 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 [2024-11-12 06:15:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:15:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:15:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:15:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:15:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:15:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:15:01,513 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:15:01,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:15:01,729 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 06:15:01,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:15:01,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:15:01,747 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:15:01,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:01 BoogieIcfgContainer [2024-11-12 06:15:01,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:15:01,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:15:01,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:15:01,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:15:01,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:15:00" (1/3) ... [2024-11-12 06:15:01,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434dda8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:01, skipping insertion in model container [2024-11-12 06:15:01,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:01" (2/3) ... [2024-11-12 06:15:01,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434dda8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:01, skipping insertion in model container [2024-11-12 06:15:01,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:01" (3/3) ... [2024-11-12 06:15:01,760 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-87.i [2024-11-12 06:15:01,780 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:15:01,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:15:01,850 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:15:01,858 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;@615ab80b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:15:01,858 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:15:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 06:15:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-12 06:15:01,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:01,877 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:01,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:01,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:01,885 INFO L85 PathProgramCache]: Analyzing trace with hash -165212243, now seen corresponding path program 1 times [2024-11-12 06:15:01,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:01,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572051609] [2024-11-12 06:15:01,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:01,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:15:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:15:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:15:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:15:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 06:15:02,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:02,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572051609] [2024-11-12 06:15:02,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572051609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:02,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:02,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:15:02,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527004422] [2024-11-12 06:15:02,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:02,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:15:02,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:02,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:15:02,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:15:02,298 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 06:15:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:02,321 INFO L93 Difference]: Finished difference Result 69 states and 111 transitions. [2024-11-12 06:15:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:15:02,324 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2024-11-12 06:15:02,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:02,329 INFO L225 Difference]: With dead ends: 69 [2024-11-12 06:15:02,329 INFO L226 Difference]: Without dead ends: 34 [2024-11-12 06:15:02,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:15:02,337 INFO L435 NwaCegarLoop]: 46 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, 46 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 [2024-11-12 06:15:02,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:15:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-12 06:15:02,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-12 06:15:02,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 06:15:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-11-12 06:15:02,389 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 46 transitions. Word has length 71 [2024-11-12 06:15:02,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:02,390 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-12 06:15:02,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 06:15:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-11-12 06:15:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-12 06:15:02,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:02,396 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:02,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:15:02,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:02,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:02,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1316946193, now seen corresponding path program 1 times [2024-11-12 06:15:02,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:02,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331365281] [2024-11-12 06:15:02,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:02,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 06:15:02,547 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 06:15:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 06:15:02,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 06:15:02,692 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 06:15:02,694 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 06:15:02,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:15:02,705 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 06:15:02,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 06:15:02,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:15:02 BoogieIcfgContainer [2024-11-12 06:15:02,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 06:15:02,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 06:15:02,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 06:15:02,796 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 06:15:02,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:01" (3/4) ... [2024-11-12 06:15:02,800 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 06:15:02,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 06:15:02,803 INFO L158 Benchmark]: Toolchain (without parser) took 1915.83ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 126.2MB in the beginning and 234.4MB in the end (delta: -108.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:15:02,804 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:15:02,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.32ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 112.9MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 06:15:02,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.93ms. Allocated memory is still 184.5MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 06:15:02,806 INFO L158 Benchmark]: Boogie Preprocessor took 59.18ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 06:15:02,807 INFO L158 Benchmark]: RCFGBuilder took 411.72ms. Allocated memory is still 184.5MB. Free memory was 108.7MB in the beginning and 95.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 06:15:02,809 INFO L158 Benchmark]: TraceAbstraction took 1043.45ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 94.8MB in the beginning and 234.4MB in the end (delta: -139.6MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-12 06:15:02,809 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 266.3MB. Free memory is still 234.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:15:02,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.32ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 112.9MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.93ms. Allocated memory is still 184.5MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.18ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.72ms. Allocated memory is still 184.5MB. Free memory was 108.7MB in the beginning and 95.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1043.45ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 94.8MB in the beginning and 234.4MB in the end (delta: -139.6MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 266.3MB. Free memory is still 234.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned short int var_1_3 = 64; [L24] signed long int var_1_4 = 5; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 0; [L29] float var_1_9 = 256.75; [L30] float var_1_10 = 99.2; VAL [isInitial=0, var_1_10=496/5, var_1_1=1, var_1_3=64, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L46] var_1_3 = __VERIFIER_nondet_ushort() [L47] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L47] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L48] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L48] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L49] var_1_4 = __VERIFIER_nondet_long() [L50] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L50] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L51] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L51] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L52] var_1_5 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L53] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L54] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L54] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L55] var_1_6 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L56] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L57] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L57] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L58] var_1_7 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L59] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L60] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L60] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L62] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L75] RET updateVariables() [L76] CALL step() [L34] var_1_8 = var_1_3 [L35] var_1_9 = var_1_10 [L36] signed long int stepLocal_0 = 10 - var_1_4; VAL [isInitial=1, stepLocal_0=0, var_1_10=65540, var_1_1=1, var_1_3=65535, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=65535, var_1_9=65540] [L37] COND TRUE (var_1_8 + var_1_8) > stepLocal_0 [L38] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=65540, var_1_1=-255, var_1_3=65535, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=65535, var_1_9=65540] [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return ((((var_1_8 + var_1_8) > (10 - var_1_4)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : 1)) && (var_1_8 == ((unsigned long int) var_1_3))) && (var_1_9 == ((float) var_1_10)) ; VAL [\result=0, isInitial=1, var_1_10=65540, var_1_1=-255, var_1_3=65535, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=65535, var_1_9=65540] [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=65540, var_1_1=-255, var_1_3=65535, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=65535, var_1_9=65540] [L19] reach_error() VAL [isInitial=1, var_1_10=65540, var_1_1=-255, var_1_3=65535, var_1_4=10, var_1_5=-255, var_1_6=0, var_1_7=0, var_1_8=65535, var_1_9=65540] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 46 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, 46 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 [2024-11-12 06:15:02,848 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-87.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 e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:15:05,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:15:05,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-12 06:15:05,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:15:05,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:15:05,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:15:05,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:15:05,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:15:05,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:15:05,152 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:15:05,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:15:05,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:15:05,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:15:05,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:15:05,156 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:15:05,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:15:05,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:15:05,157 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:15:05,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:15:05,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:15:05,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:15:05,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:15:05,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:15:05,161 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 06:15:05,161 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 06:15:05,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:15:05,162 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 06:15:05,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:15:05,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:15:05,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:15:05,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:15:05,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:15:05,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:15:05,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:15:05,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:15:05,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:15:05,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:15:05,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:15:05,166 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 06:15:05,166 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 06:15:05,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:15:05,167 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:15:05,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:15:05,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:15:05,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2024-11-12 06:15:05,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:15:05,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:15:05,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:15:05,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:15:05,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:15:05,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-12 06:15:07,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:15:07,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:15:07,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-12 06:15:07,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7791947f1/72f046a0441a45cc82190da5e6772194/FLAG87b145ada [2024-11-12 06:15:07,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7791947f1/72f046a0441a45cc82190da5e6772194 [2024-11-12 06:15:07,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:15:07,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:15:07,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:07,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:15:07,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:15:07,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27231d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07, skipping insertion in model container [2024-11-12 06:15:07,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:15:07,557 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-87.i[915,928] [2024-11-12 06:15:07,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:07,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:15:07,626 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-87.i[915,928] [2024-11-12 06:15:07,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:07,669 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:15:07,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07 WrapperNode [2024-11-12 06:15:07,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:07,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:07,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:15:07,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:15:07,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,715 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-12 06:15:07,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:07,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:15:07,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:15:07,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:15:07,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,747 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]. [2024-11-12 06:15:07,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:15:07,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:15:07,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:15:07,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:15:07,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (1/1) ... [2024-11-12 06:15:07,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:15:07,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:15:07,796 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) [2024-11-12 06:15:07,806 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 [2024-11-12 06:15:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:15:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 06:15:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:15:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:15:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:15:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:15:07,928 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:15:07,930 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:15:08,158 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 06:15:08,158 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:15:08,175 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:15:08,176 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:15:08,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:08 BoogieIcfgContainer [2024-11-12 06:15:08,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:15:08,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:15:08,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:15:08,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:15:08,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:15:07" (1/3) ... [2024-11-12 06:15:08,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac09a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:08, skipping insertion in model container [2024-11-12 06:15:08,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:07" (2/3) ... [2024-11-12 06:15:08,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac09a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:08, skipping insertion in model container [2024-11-12 06:15:08,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:08" (3/3) ... [2024-11-12 06:15:08,187 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-87.i [2024-11-12 06:15:08,203 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:15:08,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:15:08,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:15:08,291 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;@3a886f5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:15:08,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:15:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 06:15:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-12 06:15:08,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:08,310 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:08,311 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:08,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:08,317 INFO L85 PathProgramCache]: Analyzing trace with hash -165212243, now seen corresponding path program 1 times [2024-11-12 06:15:08,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:15:08,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921667294] [2024-11-12 06:15:08,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:08,338 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 [2024-11-12 06:15:08,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:15:08,341 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) [2024-11-12 06:15:08,343 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 [2024-11-12 06:15:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:08,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 06:15:08,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:15:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-12 06:15:08,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 06:15:08,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:15:08,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921667294] [2024-11-12 06:15:08,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921667294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:08,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:08,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:15:08,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151232214] [2024-11-12 06:15:08,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:08,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:15:08,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:15:08,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:15:08,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:15:08,602 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 06:15:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:08,629 INFO L93 Difference]: Finished difference Result 69 states and 111 transitions. [2024-11-12 06:15:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:15:08,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2024-11-12 06:15:08,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:08,639 INFO L225 Difference]: With dead ends: 69 [2024-11-12 06:15:08,639 INFO L226 Difference]: Without dead ends: 34 [2024-11-12 06:15:08,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:15:08,647 INFO L435 NwaCegarLoop]: 46 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, 46 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 [2024-11-12 06:15:08,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:15:08,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-12 06:15:08,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-12 06:15:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 06:15:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-11-12 06:15:08,690 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 46 transitions. Word has length 71 [2024-11-12 06:15:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:08,691 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-12 06:15:08,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 06:15:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-11-12 06:15:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-12 06:15:08,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:08,695 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:08,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-12 06:15:08,896 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 [2024-11-12 06:15:08,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:08,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:08,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1316946193, now seen corresponding path program 1 times [2024-11-12 06:15:08,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:15:08,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365890755] [2024-11-12 06:15:08,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:08,899 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 [2024-11-12 06:15:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:15:08,901 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) [2024-11-12 06:15:08,903 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 [2024-11-12 06:15:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:09,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 06:15:09,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:15:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 102 proven. 21 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-12 06:15:11,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:15:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-12 06:15:13,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:15:13,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365890755] [2024-11-12 06:15:13,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365890755] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 06:15:13,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 06:15:13,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2024-11-12 06:15:13,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770593343] [2024-11-12 06:15:13,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:13,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 06:15:13,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:15:13,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 06:15:13,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2024-11-12 06:15:13,007 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-12 06:15:13,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:13,504 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2024-11-12 06:15:13,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 06:15:13,505 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 71 [2024-11-12 06:15:13,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:13,507 INFO L225 Difference]: With dead ends: 50 [2024-11-12 06:15:13,507 INFO L226 Difference]: Without dead ends: 48 [2024-11-12 06:15:13,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-12 06:15:13,508 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 61 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:13,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 136 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:15:13,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-12 06:15:13,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2024-11-12 06:15:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 06:15:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2024-11-12 06:15:13,519 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 71 [2024-11-12 06:15:13,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:13,520 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2024-11-12 06:15:13,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-12 06:15:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-12 06:15:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 06:15:13,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:13,522 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:13,530 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 [2024-11-12 06:15:13,723 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 [2024-11-12 06:15:13,724 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:13,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:13,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2117124576, now seen corresponding path program 1 times [2024-11-12 06:15:13,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:15:13,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188647751] [2024-11-12 06:15:13,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:13,725 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 [2024-11-12 06:15:13,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:15:13,729 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) [2024-11-12 06:15:13,730 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 [2024-11-12 06:15:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:13,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 06:15:13,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:15:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 102 proven. 21 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-12 06:15:15,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:15:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-12 06:15:17,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:15:17,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188647751] [2024-11-12 06:15:17,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188647751] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 06:15:17,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 06:15:17,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 22 [2024-11-12 06:15:17,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530483713] [2024-11-12 06:15:17,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:17,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 06:15:17,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:15:17,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 06:15:17,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-12 06:15:17,457 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-12 06:15:17,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:17,915 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2024-11-12 06:15:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 06:15:17,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-11-12 06:15:17,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:17,918 INFO L225 Difference]: With dead ends: 56 [2024-11-12 06:15:17,918 INFO L226 Difference]: Without dead ends: 54 [2024-11-12 06:15:17,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2024-11-12 06:15:17,919 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 70 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:17,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 137 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:15:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-12 06:15:17,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2024-11-12 06:15:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 06:15:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2024-11-12 06:15:17,929 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 72 [2024-11-12 06:15:17,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:17,930 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2024-11-12 06:15:17,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-12 06:15:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2024-11-12 06:15:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 06:15:17,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:17,931 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:17,937 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 [2024-11-12 06:15:18,132 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 [2024-11-12 06:15:18,133 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:18,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:18,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2115277534, now seen corresponding path program 1 times [2024-11-12 06:15:18,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:15:18,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260440798] [2024-11-12 06:15:18,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:18,135 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 [2024-11-12 06:15:18,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:15:18,138 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-12 06:15:18,141 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 (5)] Waiting until timeout for monitored process [2024-11-12 06:15:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:18,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 06:15:18,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:15:18,303 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 114 proven. 18 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-12 06:15:18,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:15:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-12 06:15:18,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:15:18,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260440798] [2024-11-12 06:15:18,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260440798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:15:18,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 06:15:18,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-12 06:15:18,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459483951] [2024-11-12 06:15:18,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 06:15:18,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 06:15:18,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:15:18,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 06:15:18,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:15:18,415 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 06:15:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:18,545 INFO L93 Difference]: Finished difference Result 88 states and 107 transitions. [2024-11-12 06:15:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 06:15:18,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 72 [2024-11-12 06:15:18,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:18,547 INFO L225 Difference]: With dead ends: 88 [2024-11-12 06:15:18,547 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 06:15:18,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-12 06:15:18,548 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:18,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 59 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:15:18,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 06:15:18,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 06:15:18,552 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) [2024-11-12 06:15:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 06:15:18,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-11-12 06:15:18,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:18,552 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 06:15:18,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 06:15:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 06:15:18,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 06:15:18,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 06:15:18,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-12 06:15:18,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-11-12 06:15:18,768 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-12 06:15:18,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-12 06:15:19,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 06:15:19,309 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-12 06:15:19,315 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-12 06:15:19,315 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-12 06:15:19,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:15:19 BoogieIcfgContainer [2024-11-12 06:15:19,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 06:15:19,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 06:15:19,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 06:15:19,319 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 06:15:19,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:08" (3/4) ... [2024-11-12 06:15:19,322 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 06:15:19,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-12 06:15:19,331 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-12 06:15:19,332 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 06:15:19,332 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 06:15:19,332 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 06:15:19,442 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 06:15:19,442 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 06:15:19,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 06:15:19,443 INFO L158 Benchmark]: Toolchain (without parser) took 12116.22ms. Allocated memory was 60.8MB in the beginning and 465.6MB in the end (delta: 404.8MB). Free memory was 34.9MB in the beginning and 414.6MB in the end (delta: -379.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-12 06:15:19,443 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 46.1MB. Free memory is still 23.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:15:19,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.95ms. Allocated memory is still 60.8MB. Free memory was 34.6MB in the beginning and 37.2MB in the end (delta: -2.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-12 06:15:19,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.04ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 35.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 06:15:19,444 INFO L158 Benchmark]: Boogie Preprocessor took 44.47ms. Allocated memory is still 60.8MB. Free memory was 35.3MB in the beginning and 33.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 06:15:19,446 INFO L158 Benchmark]: RCFGBuilder took 415.13ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 49.7MB in the end (delta: -16.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 06:15:19,446 INFO L158 Benchmark]: TraceAbstraction took 11140.14ms. Allocated memory was 73.4MB in the beginning and 465.6MB in the end (delta: 392.2MB). Free memory was 49.1MB in the beginning and 420.9MB in the end (delta: -371.8MB). Peak memory consumption was 224.9MB. Max. memory is 16.1GB. [2024-11-12 06:15:19,446 INFO L158 Benchmark]: Witness Printer took 123.30ms. Allocated memory is still 465.6MB. Free memory was 420.9MB in the beginning and 414.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 06:15:19,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 46.1MB. Free memory is still 23.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.95ms. Allocated memory is still 60.8MB. Free memory was 34.6MB in the beginning and 37.2MB in the end (delta: -2.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.04ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 35.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.47ms. Allocated memory is still 60.8MB. Free memory was 35.3MB in the beginning and 33.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.13ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 49.7MB in the end (delta: -16.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11140.14ms. Allocated memory was 73.4MB in the beginning and 465.6MB in the end (delta: 392.2MB). Free memory was 49.1MB in the beginning and 420.9MB in the end (delta: -371.8MB). Peak memory consumption was 224.9MB. Max. memory is 16.1GB. * Witness Printer took 123.30ms. Allocated memory is still 465.6MB. Free memory was 420.9MB in the beginning and 414.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 * 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 378 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 268 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 148 mSDtfsCounter, 268 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 505 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=3, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 494 ConstructedInterpolants, 9 QuantifiedInterpolants, 2070 SizeOfPredicates, 30 NumberOfNonLiveVariables, 481 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1462/1540 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: 73]: Loop Invariant Derived loop invariant: (var_1_5 >= 1) - 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_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10)))) RESULT: Ultimate proved your program to be correct! [2024-11-12 06:15:19,482 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