./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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-76.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 b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:15:50,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:15:50,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:15:50,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:15:50,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:15:50,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:15:50,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:15:50,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:15:50,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:15:50,614 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:15:50,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:15:50,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:15:50,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:15:50,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:15:50,616 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:15:50,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:15:50,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:15:50,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:15:50,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:15:50,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:15:50,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:15:50,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:15:50,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:15:50,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:15:50,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:15:50,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:15:50,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:15:50,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:15:50,624 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:15:50,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:15:50,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:15:50,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:15:50,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:50,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:15:50,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:15:50,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:15:50,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:15:50,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:15:50,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:15:50,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:15:50,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:15:50,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:15:50,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2024-11-16 17:15:50,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:15:50,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:15:50,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:15:50,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:15:50,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:15:50,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-11-16 17:15:52,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:15:52,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:15:52,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-11-16 17:15:52,677 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52b731ea/9dee9649315044e8b611ae9b8ac4a897/FLAG3357f3d42 [2024-11-16 17:15:52,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52b731ea/9dee9649315044e8b611ae9b8ac4a897 [2024-11-16 17:15:52,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:15:52,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:15:52,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:52,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:15:52,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:15:52,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:52,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebacd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52, skipping insertion in model container [2024-11-16 17:15:52,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:52,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:15:52,913 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-76.i[915,928] [2024-11-16 17:15:52,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:52,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:15:52,962 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-76.i[915,928] [2024-11-16 17:15:52,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:52,993 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:15:52,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52 WrapperNode [2024-11-16 17:15:52,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:52,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:52,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:15:52,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:15:53,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,029 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-16 17:15:53,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:53,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:15:53,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:15:53,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:15:53,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,067 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]. [2024-11-16 17:15:53,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:15:53,078 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:15:53,078 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:15:53,079 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:15:53,079 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (1/1) ... [2024-11-16 17:15:53,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:53,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:15:53,118 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) [2024-11-16 17:15:53,121 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 [2024-11-16 17:15:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:15:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:15:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:15:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:15:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:15:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:15:53,227 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:15:53,229 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:15:53,419 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-16 17:15:53,419 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:15:53,446 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:15:53,447 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:15:53,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:53 BoogieIcfgContainer [2024-11-16 17:15:53,451 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:15:53,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:15:53,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:15:53,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:15:53,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:15:52" (1/3) ... [2024-11-16 17:15:53,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b98fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:53, skipping insertion in model container [2024-11-16 17:15:53,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:52" (2/3) ... [2024-11-16 17:15:53,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b98fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:53, skipping insertion in model container [2024-11-16 17:15:53,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:53" (3/3) ... [2024-11-16 17:15:53,463 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-76.i [2024-11-16 17:15:53,479 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:15:53,479 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:15:53,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:15:53,554 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;@6614832, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:15:53,555 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:15:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 17:15:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 17:15:53,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:15:53,570 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-11-16 17:15:53,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:15:53,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:15:53,577 INFO L85 PathProgramCache]: Analyzing trace with hash -833438467, now seen corresponding path program 1 times [2024-11-16 17:15:53,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:15:53,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338240882] [2024-11-16 17:15:53,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:15:53,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:15:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:15:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:15:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:15:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:15:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 17:15:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 17:15:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 17:15:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 17:15:53,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:15:53,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338240882] [2024-11-16 17:15:53,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338240882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:15:53,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:15:53,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:15:53,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380907140] [2024-11-16 17:15:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:15:53,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:15:53,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:15:53,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:15:53,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:15:53,837 INFO L87 Difference]: Start difference. First operand has 37 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 17:15:53,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:15:53,860 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2024-11-16 17:15:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:15:53,863 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-11-16 17:15:53,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:15:53,869 INFO L225 Difference]: With dead ends: 66 [2024-11-16 17:15:53,870 INFO L226 Difference]: Without dead ends: 32 [2024-11-16 17:15:53,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:15:53,875 INFO L432 NwaCegarLoop]: 40 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, 40 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 [2024-11-16 17:15:53,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:15:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-16 17:15:53,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-16 17:15:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 17:15:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2024-11-16 17:15:53,906 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 54 [2024-11-16 17:15:53,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:15:53,907 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2024-11-16 17:15:53,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 17:15:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-16 17:15:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 17:15:53,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:15:53,927 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-11-16 17:15:53,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:15:53,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:15:53,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:15:53,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1352260710, now seen corresponding path program 1 times [2024-11-16 17:15:53,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:15:53,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58849323] [2024-11-16 17:15:53,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:15:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:15:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:15:54,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 17:15:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:15:54,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 17:15:54,187 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 17:15:54,189 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 17:15:54,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:15:54,193 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 17:15:54,236 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 17:15:54,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:15:54 BoogieIcfgContainer [2024-11-16 17:15:54,239 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 17:15:54,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 17:15:54,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 17:15:54,241 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 17:15:54,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:53" (3/4) ... [2024-11-16 17:15:54,244 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 17:15:54,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 17:15:54,245 INFO L158 Benchmark]: Toolchain (without parser) took 1551.07ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 108.9MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:54,246 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 151.0MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:54,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.11ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 82.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:15:54,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.20ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 80.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:15:54,247 INFO L158 Benchmark]: Boogie Preprocessor took 46.75ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:15:54,248 INFO L158 Benchmark]: IcfgBuilder took 372.69ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 65.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:15:54,248 INFO L158 Benchmark]: TraceAbstraction took 786.43ms. Allocated memory is still 151.0MB. Free memory was 65.0MB in the beginning and 108.9MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:54,248 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 151.0MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:54,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 151.0MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.11ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 82.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.20ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 80.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.75ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 372.69ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 65.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 786.43ms. Allocated memory is still 151.0MB. Free memory was 65.0MB in the beginning and 108.9MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 151.0MB. Free memory is still 108.9MB. 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 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 32.81; [L23] float var_1_3 = 256.25; [L24] float var_1_4 = 1.75; [L25] double var_1_5 = 10000000.5; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed char var_1_10 = 5; [L30] double last_1_var_1_1 = 32.81; [L31] unsigned char last_1_var_1_6 = 0; VAL [isInitial=0, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_3=1025/4, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] CALL updateLastVariables() [L58] last_1_var_1_1 = var_1_1 [L59] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_3=1025/4, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L69] RET updateLastVariables() [L70] CALL updateVariables() [L44] var_1_3 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L45] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L46] var_1_4 = __VERIFIER_nondet_float() [L47] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L47] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L48] var_1_5 = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L49] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L50] var_1_8 = __VERIFIER_nondet_uchar() [L51] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L51] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L52] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L70] RET updateVariables() [L71] CALL step() [L35] COND TRUE last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f) [L36] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=10000005, var_1_5=10000005, var_1_6=0, var_1_8=0, var_1_9=0] [L38] COND FALSE !(\read(last_1_var_1_6)) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=10000005, var_1_5=10000005, var_1_6=0, var_1_8=0, var_1_9=0] [L41] var_1_10 = -50 VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=10000005, var_1_5=10000005, var_1_6=0, var_1_8=0, var_1_9=0] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) ? (var_1_1 == ((double) var_1_5)) : 1) && (last_1_var_1_6 ? (var_1_6 == ((unsigned char) (! (var_1_8 || var_1_9)))) : 1)) && (var_1_10 == ((signed char) -50)) ; VAL [\result=0, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=10000005, var_1_5=10000005, var_1_6=0, var_1_8=0, var_1_9=0] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=10000005, var_1_5=10000005, var_1_6=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=10000005, var_1_5=10000005, var_1_6=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 7, 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, 40 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, 40 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 84/84 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 [2024-11-16 17:15:54,283 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-76.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 b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:15:56,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:15:56,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 17:15:56,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:15:56,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:15:56,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:15:56,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:15:56,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:15:56,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:15:56,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:15:56,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:15:56,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:15:56,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:15:56,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:15:56,657 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:15:56,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:15:56,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:15:56,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:15:56,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:15:56,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:15:56,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:15:56,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:15:56,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:15:56,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 17:15:56,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 17:15:56,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:15:56,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 17:15:56,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:15:56,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:15:56,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:15:56,677 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:15:56,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:15:56,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:15:56,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:15:56,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:56,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:15:56,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:15:56,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:15:56,678 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 17:15:56,678 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 17:15:56,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:15:56,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:15:56,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:15:56,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:15:56,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2024-11-16 17:15:57,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:15:57,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:15:57,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:15:57,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:15:57,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:15:57,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-11-16 17:15:58,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:15:58,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:15:58,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-11-16 17:15:58,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a20c1e48/33bdffdebc364f87803b14900156f442/FLAGc359bca76 [2024-11-16 17:15:58,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a20c1e48/33bdffdebc364f87803b14900156f442 [2024-11-16 17:15:58,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:15:58,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:15:58,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:58,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:15:58,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:15:58,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:58" (1/1) ... [2024-11-16 17:15:58,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508ce957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:58, skipping insertion in model container [2024-11-16 17:15:58,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:58" (1/1) ... [2024-11-16 17:15:58,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:15:59,101 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-76.i[915,928] [2024-11-16 17:15:59,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:59,151 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:15:59,163 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-76.i[915,928] [2024-11-16 17:15:59,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:59,208 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:15:59,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59 WrapperNode [2024-11-16 17:15:59,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:59,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:59,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:15:59,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:15:59,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,259 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-16 17:15:59,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:59,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:15:59,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:15:59,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:15:59,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,289 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]. [2024-11-16 17:15:59,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:15:59,316 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:15:59,316 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:15:59,316 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:15:59,317 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:59,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:15:59,353 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) [2024-11-16 17:15:59,356 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 [2024-11-16 17:15:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:15:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 17:15:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:15:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:15:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:15:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:15:59,494 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:15:59,498 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:16:00,351 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-16 17:16:00,352 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:16:00,363 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:16:00,364 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:16:00,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:00 BoogieIcfgContainer [2024-11-16 17:16:00,365 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:16:00,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:16:00,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:16:00,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:16:00,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:15:58" (1/3) ... [2024-11-16 17:16:00,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714eae76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:16:00, skipping insertion in model container [2024-11-16 17:16:00,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59" (2/3) ... [2024-11-16 17:16:00,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714eae76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:16:00, skipping insertion in model container [2024-11-16 17:16:00,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:00" (3/3) ... [2024-11-16 17:16:00,373 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-76.i [2024-11-16 17:16:00,392 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:16:00,392 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:16:00,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:16:00,451 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;@487b58e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:16:00,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:16:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 17:16:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 17:16:00,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:16:00,469 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-11-16 17:16:00,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:16:00,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:16:00,476 INFO L85 PathProgramCache]: Analyzing trace with hash -833438467, now seen corresponding path program 1 times [2024-11-16 17:16:00,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:16:00,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981768326] [2024-11-16 17:16:00,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:00,494 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 [2024-11-16 17:16:00,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:16:00,497 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) [2024-11-16 17:16:00,499 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 [2024-11-16 17:16:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:16:00,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 17:16:00,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:16:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 17:16:00,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:16:00,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:16:00,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981768326] [2024-11-16 17:16:00,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981768326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:16:00,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:16:00,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:16:00,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380135632] [2024-11-16 17:16:00,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:16:00,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:16:00,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:16:00,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:16:00,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:16:00,741 INFO L87 Difference]: Start difference. First operand has 37 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 17:16:00,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:16:00,770 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2024-11-16 17:16:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:16:00,773 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-11-16 17:16:00,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:16:00,780 INFO L225 Difference]: With dead ends: 66 [2024-11-16 17:16:00,780 INFO L226 Difference]: Without dead ends: 32 [2024-11-16 17:16:00,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:16:00,788 INFO L432 NwaCegarLoop]: 40 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, 40 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 [2024-11-16 17:16:00,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:16:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-16 17:16:00,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-16 17:16:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 17:16:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2024-11-16 17:16:00,835 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 54 [2024-11-16 17:16:00,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:16:00,837 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2024-11-16 17:16:00,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 17:16:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-16 17:16:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 17:16:00,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:16:00,841 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-11-16 17:16:00,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 17:16:01,041 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 [2024-11-16 17:16:01,043 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:16:01,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:16:01,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1352260710, now seen corresponding path program 1 times [2024-11-16 17:16:01,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:16:01,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957496741] [2024-11-16 17:16:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:01,047 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 [2024-11-16 17:16:01,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:16:01,051 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) [2024-11-16 17:16:01,052 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 [2024-11-16 17:16:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:16:01,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 17:16:01,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:16:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 17:16:06,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:16:16,593 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 996.0 5.0)))) (let ((.cse0 (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_3~0 .cse1))))) (not (fp.lt ~var_1_3~0 ~var_1_4~0))))) (.cse2 (= (_ bv0 8) c_~last_1_var_1_6~0))) (and (or (and .cse0 (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (not (fp.lt ~var_1_3~0 ~var_1_4~0)) (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_3~0 .cse1))))))) .cse2) (= (_ bv0 32) (bvadd (_ bv50 32) ((_ sign_extend 24) c_~var_1_10~0))) (or (and .cse0 .cse2 (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1)))) (fp.lt ~var_1_3~0 ~var_1_4~0)))) (fp.eq c_~var_1_1~0 c_~var_1_5~0)) (or (and (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1))))) (fp.lt ~var_1_3~0 ~var_1_4~0))) (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1)))) (fp.lt ~var_1_3~0 ~var_1_4~0)))) .cse2)))) is different from true [2024-11-16 17:16:23,537 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 996.0 5.0)))) (let ((.cse0 (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_3~0 .cse1))))) (not (fp.lt ~var_1_3~0 ~var_1_4~0))))) (.cse2 (= (_ bv0 8) c_~last_1_var_1_6~0))) (and (or (and .cse0 (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (not (fp.lt ~var_1_3~0 ~var_1_4~0)) (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_3~0 .cse1))))))) .cse2) (or (and .cse0 .cse2 (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1)))) (fp.lt ~var_1_3~0 ~var_1_4~0)))) (fp.eq c_~var_1_1~0 c_~var_1_5~0)) (or (and (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1))))) (fp.lt ~var_1_3~0 ~var_1_4~0))) (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1)))) (fp.lt ~var_1_3~0 ~var_1_4~0)))) .cse2)))) is different from true [2024-11-16 17:16:34,230 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 996.0 5.0)))) (let ((.cse0 (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_3~0 .cse1))))) (not (fp.lt ~var_1_3~0 ~var_1_4~0))))) (.cse2 (= (_ bv0 8) c_~last_1_var_1_6~0))) (and (or (and .cse0 (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (not (fp.lt ~var_1_3~0 ~var_1_4~0)) (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_3~0 .cse1))))))) .cse2) (or (and .cse0 .cse2 (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1)))) (fp.lt ~var_1_3~0 ~var_1_4~0)))) (fp.eq c_~var_1_5~0 c_~var_1_5~0)) (or (and (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (not (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1))))) (fp.lt ~var_1_3~0 ~var_1_4~0))) (forall ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24))) (or (forall ((~last_1_var_1_1~0 (_ FloatingPoint 11 53))) (fp.lt ~last_1_var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_4~0 .cse1)))) (fp.lt ~var_1_3~0 ~var_1_4~0)))) .cse2)))) is different from true [2024-11-16 17:16:40,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:16:40,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957496741] [2024-11-16 17:16:40,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957496741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:16:40,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1207907858] [2024-11-16 17:16:40,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:40,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-16 17:16:40,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-16 17:16:40,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-16 17:16:40,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-16 17:16:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:16:41,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 17:16:41,391 INFO L278 TraceCheckSpWp]: Computing forward predicates...