./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_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 709453c15b134f79f9a4611d8c8b0ef9c4b2e09dcca78e096999d06822ec2635 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:47:59,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:47:59,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 22:47:59,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:47:59,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:47:59,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:47:59,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:47:59,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:47:59,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:47:59,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:47:59,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:47:59,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:47:59,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:47:59,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:47:59,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:47:59,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:47:59,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:47:59,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:47:59,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 22:47:59,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:47:59,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:47:59,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:47:59,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:47:59,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:47:59,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:47:59,359 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:47:59,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:47:59,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:47:59,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:47:59,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:47:59,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:47:59,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:47:59,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:47:59,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:47:59,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:47:59,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:47:59,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 22:47:59,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 22:47:59,360 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:47:59,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:47:59,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:47:59,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:47:59,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 709453c15b134f79f9a4611d8c8b0ef9c4b2e09dcca78e096999d06822ec2635 [2024-11-18 22:47:59,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:47:59,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:47:59,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:47:59,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:47:59,565 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:47:59,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-76.i [2024-11-18 22:48:00,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:48:00,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:48:00,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-76.i [2024-11-18 22:48:00,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cdff1a7/0c3deba3fae246b3bd4ee2abf8bd8cfa/FLAGf59460208 [2024-11-18 22:48:00,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cdff1a7/0c3deba3fae246b3bd4ee2abf8bd8cfa [2024-11-18 22:48:00,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:48:00,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:48:00,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:48:00,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:48:00,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:48:00,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:00" (1/1) ... [2024-11-18 22:48:00,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73499876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00, skipping insertion in model container [2024-11-18 22:48:00,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:00" (1/1) ... [2024-11-18 22:48:00,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:48:01,115 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_loopvsstraightlinecode_25-1loop_file-76.i[915,928] [2024-11-18 22:48:01,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:48:01,156 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:48:01,165 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_loopvsstraightlinecode_25-1loop_file-76.i[915,928] [2024-11-18 22:48:01,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:48:01,202 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:48:01,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01 WrapperNode [2024-11-18 22:48:01,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:48:01,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:48:01,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:48:01,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:48:01,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,271 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-11-18 22:48:01,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:48:01,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:48:01,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:48:01,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:48:01,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,309 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 22:48:01,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:48:01,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:48:01,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:48:01,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:48:01,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (1/1) ... [2024-11-18 22:48:01,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:48:01,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:48:01,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 22:48:01,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 22:48:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:48:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:48:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:48:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 22:48:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:48:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:48:01,468 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:48:01,470 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:48:01,618 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-18 22:48:01,618 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:48:01,627 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:48:01,627 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:48:01,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:01 BoogieIcfgContainer [2024-11-18 22:48:01,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:48:01,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:48:01,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:48:01,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:48:01,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:48:00" (1/3) ... [2024-11-18 22:48:01,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbcd597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:01, skipping insertion in model container [2024-11-18 22:48:01,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:01" (2/3) ... [2024-11-18 22:48:01,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbcd597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:01, skipping insertion in model container [2024-11-18 22:48:01,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:01" (3/3) ... [2024-11-18 22:48:01,635 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-76.i [2024-11-18 22:48:01,647 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:48:01,647 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:48:01,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:48:01,716 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;@3f1390b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:48:01,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:48:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-18 22:48:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 22:48:01,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:48:01,732 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:48:01,732 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:48:01,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:48:01,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1569709426, now seen corresponding path program 1 times [2024-11-18 22:48:01,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:48:01,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980233799] [2024-11-18 22:48:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:48:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:48:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-18 22:48:01,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:48:01,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980233799] [2024-11-18 22:48:01,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980233799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:48:01,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535593619] [2024-11-18 22:48:01,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:01,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:48:01,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:48:01,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:48:01,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 22:48:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:48:02,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:48:02,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:48:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-18 22:48:02,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:48:02,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535593619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:48:02,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 22:48:02,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 22:48:02,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720012618] [2024-11-18 22:48:02,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:48:02,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:48:02,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:48:02,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:48:02,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:48:02,081 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-18 22:48:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:48:02,096 INFO L93 Difference]: Finished difference Result 79 states and 121 transitions. [2024-11-18 22:48:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:48:02,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2024-11-18 22:48:02,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:48:02,103 INFO L225 Difference]: With dead ends: 79 [2024-11-18 22:48:02,103 INFO L226 Difference]: Without dead ends: 37 [2024-11-18 22:48:02,105 INFO L431 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 [2024-11-18 22:48:02,107 INFO L432 NwaCegarLoop]: 54 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, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 22:48:02,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:48:02,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-18 22:48:02,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-18 22:48:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-18 22:48:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-18 22:48:02,136 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 69 [2024-11-18 22:48:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:48:02,137 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-18 22:48:02,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-18 22:48:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-18 22:48:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 22:48:02,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:48:02,139 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:48:02,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 22:48:02,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 22:48:02,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:48:02,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:48:02,345 INFO L85 PathProgramCache]: Analyzing trace with hash -555644682, now seen corresponding path program 1 times [2024-11-18 22:48:02,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:48:02,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744693528] [2024-11-18 22:48:02,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:02,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:48:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:48:02,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 22:48:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:48:02,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 22:48:02,561 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 22:48:02,563 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 22:48:02,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 22:48:02,567 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-18 22:48:02,632 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 22:48:02,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:48:02 BoogieIcfgContainer [2024-11-18 22:48:02,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 22:48:02,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 22:48:02,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 22:48:02,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 22:48:02,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:01" (3/4) ... [2024-11-18 22:48:02,642 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 22:48:02,643 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 22:48:02,646 INFO L158 Benchmark]: Toolchain (without parser) took 1680.14ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 70.0MB in the end (delta: 36.5MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-18 22:48:02,646 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:48:02,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.87ms. Allocated memory is still 174.1MB. Free memory was 106.3MB in the beginning and 92.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 22:48:02,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.98ms. Allocated memory is still 174.1MB. Free memory was 92.1MB in the beginning and 147.3MB in the end (delta: -55.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-18 22:48:02,648 INFO L158 Benchmark]: Boogie Preprocessor took 52.19ms. Allocated memory is still 174.1MB. Free memory was 147.3MB in the beginning and 144.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 22:48:02,648 INFO L158 Benchmark]: RCFGBuilder took 302.52ms. Allocated memory is still 174.1MB. Free memory was 144.1MB in the beginning and 128.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 22:48:02,650 INFO L158 Benchmark]: TraceAbstraction took 1007.85ms. Allocated memory is still 174.1MB. Free memory was 128.0MB in the beginning and 70.7MB in the end (delta: 57.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-18 22:48:02,650 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 174.1MB. Free memory was 70.7MB in the beginning and 70.0MB in the end (delta: 685.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:48:02,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.87ms. Allocated memory is still 174.1MB. Free memory was 106.3MB in the beginning and 92.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.98ms. Allocated memory is still 174.1MB. Free memory was 92.1MB in the beginning and 147.3MB in the end (delta: -55.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.19ms. Allocated memory is still 174.1MB. Free memory was 147.3MB in the beginning and 144.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 302.52ms. Allocated memory is still 174.1MB. Free memory was 144.1MB in the beginning and 128.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1007.85ms. Allocated memory is still 174.1MB. Free memory was 128.0MB in the beginning and 70.7MB in the end (delta: 57.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 174.1MB. Free memory was 70.7MB in the beginning and 70.0MB in the end (delta: 685.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] signed short int var_1_8 = 4; [L27] float var_1_10 = 16.4; [L28] signed short int var_1_11 = -25; [L29] float var_1_13 = 128.1; [L30] float var_1_14 = 31.4; [L31] unsigned char var_1_15 = 2; [L32] unsigned char var_1_16 = 0; [L33] signed long int var_1_17 = 5; [L34] float last_1_var_1_13 = 128.1; [L35] signed long int last_1_var_1_17 = 5; VAL [isInitial=0, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L86] isInitial = 1 [L87] FCALL initially() [L88] int k_loop; [L89] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L89] COND TRUE k_loop < 1 [L90] CALL updateLastVariables() [L78] last_1_var_1_13 = var_1_13 [L79] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L90] RET updateLastVariables() [L91] CALL updateVariables() [L60] var_1_5 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=4] [L61] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=4] [L62] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L62] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_7=0, var_1_8=4] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_7=0, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L65] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_8=4] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L68] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L69] var_1_10 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L70] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L71] var_1_14 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L72] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L73] var_1_16 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L74] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L75] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=254, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=254, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L75] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=254, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L91] RET updateVariables() [L92] CALL step() [L39] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=254, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L44] var_1_17 = var_1_8 [L45] var_1_13 = var_1_14 [L46] var_1_15 = var_1_16 [L47] signed long int stepLocal_0 = (- 5) + var_1_17; VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, stepLocal_0=-1, var_1_11=-25, var_1_13=259, var_1_14=259, var_1_15=254, var_1_16=254, var_1_17=4, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L48] COND FALSE !(stepLocal_0 >= var_1_15) [L51] var_1_1 = ((var_1_5 && var_1_6) || var_1_7) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=259, var_1_14=259, var_1_15=254, var_1_16=254, var_1_17=4, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L53] COND TRUE var_1_10 >= 500.875f [L54] var_1_11 = ((((((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) < (var_1_15)) ? (((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) : (var_1_15))) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=50, var_1_13=259, var_1_14=259, var_1_15=254, var_1_16=254, var_1_17=4, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L92] RET step() [L93] CALL, EXPR property() [L82-L83] return ((((((((- 5) + var_1_17) >= var_1_15) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) ((var_1_5 && var_1_6) || var_1_7)))) && (var_1_5 ? ((0.4f > ((((last_1_var_1_13) < ((var_1_10 - 1.375f))) ? (last_1_var_1_13) : ((var_1_10 - 1.375f))))) ? (var_1_8 == ((signed short int) last_1_var_1_17)) : 1) : 1)) && ((var_1_10 >= 500.875f) ? (var_1_11 == ((signed short int) ((((((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) < (var_1_15)) ? (((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) : (var_1_15))))) : (var_1_11 == ((signed short int) var_1_15)))) && (var_1_13 == ((float) var_1_14))) && (var_1_15 == ((unsigned char) var_1_16))) && (var_1_17 == ((signed long int) var_1_8)) ; VAL [\result=0, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=50, var_1_13=259, var_1_14=259, var_1_15=254, var_1_16=254, var_1_17=4, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=50, var_1_13=259, var_1_14=259, var_1_15=254, var_1_16=254, var_1_17=4, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=50, var_1_13=259, var_1_14=259, var_1_15=254, var_1_16=254, var_1_17=4, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 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, 54 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 0.1s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 342/360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 22:48:02,677 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_loopvsstraightlinecode_25-1loop_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 709453c15b134f79f9a4611d8c8b0ef9c4b2e09dcca78e096999d06822ec2635 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:48:04,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:48:04,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 22:48:04,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:48:04,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:48:04,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:48:04,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:48:04,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:48:04,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:48:04,528 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:48:04,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:48:04,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:48:04,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:48:04,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:48:04,530 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:48:04,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:48:04,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:48:04,532 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:48:04,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:48:04,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:48:04,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:48:04,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:48:04,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:48:04,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 22:48:04,535 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 22:48:04,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:48:04,536 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 22:48:04,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:48:04,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:48:04,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:48:04,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:48:04,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:48:04,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:48:04,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:48:04,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:48:04,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:48:04,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:48:04,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:48:04,538 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 22:48:04,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 22:48:04,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:48:04,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:48:04,540 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:48:04,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:48:04,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 709453c15b134f79f9a4611d8c8b0ef9c4b2e09dcca78e096999d06822ec2635 [2024-11-18 22:48:04,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:48:04,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:48:04,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:48:04,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:48:04,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:48:04,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-76.i [2024-11-18 22:48:06,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:48:06,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:48:06,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-76.i [2024-11-18 22:48:06,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87d785f3/c01021f2b1974156a5544fd1769d4a5f/FLAG67b12c15a [2024-11-18 22:48:06,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87d785f3/c01021f2b1974156a5544fd1769d4a5f [2024-11-18 22:48:06,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:48:06,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:48:06,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:48:06,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:48:06,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:48:06,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce5005a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06, skipping insertion in model container [2024-11-18 22:48:06,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:48:06,782 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_loopvsstraightlinecode_25-1loop_file-76.i[915,928] [2024-11-18 22:48:06,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:48:06,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:48:06,854 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_loopvsstraightlinecode_25-1loop_file-76.i[915,928] [2024-11-18 22:48:06,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:48:06,895 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:48:06,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06 WrapperNode [2024-11-18 22:48:06,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:48:06,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:48:06,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:48:06,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:48:06,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,936 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-11-18 22:48:06,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:48:06,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:48:06,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:48:06,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:48:06,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,963 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 22:48:06,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:48:06,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:48:06,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:48:06,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:48:06,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (1/1) ... [2024-11-18 22:48:06,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:48:07,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:48:07,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 22:48:07,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 22:48:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:48:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 22:48:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:48:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:48:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:48:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:48:07,131 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:48:07,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:48:07,446 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-18 22:48:07,446 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:48:07,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:48:07,460 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:48:07,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:07 BoogieIcfgContainer [2024-11-18 22:48:07,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:48:07,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:48:07,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:48:07,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:48:07,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:48:06" (1/3) ... [2024-11-18 22:48:07,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749319f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:07, skipping insertion in model container [2024-11-18 22:48:07,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:06" (2/3) ... [2024-11-18 22:48:07,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749319f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:07, skipping insertion in model container [2024-11-18 22:48:07,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:07" (3/3) ... [2024-11-18 22:48:07,469 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-76.i [2024-11-18 22:48:07,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:48:07,482 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:48:07,527 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:48:07,532 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;@652a28bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:48:07,533 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:48:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-18 22:48:07,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 22:48:07,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:48:07,545 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:48:07,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:48:07,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:48:07,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1569709426, now seen corresponding path program 1 times [2024-11-18 22:48:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:48:07,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626427808] [2024-11-18 22:48:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 22:48:07,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:48:07,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 22:48:07,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 22:48:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:48:07,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:48:07,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:48:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-18 22:48:07,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:48:07,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:48:07,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626427808] [2024-11-18 22:48:07,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626427808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:48:07,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 22:48:07,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 22:48:07,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141892426] [2024-11-18 22:48:07,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:48:07,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:48:07,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 22:48:07,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:48:07,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:48:07,836 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-18 22:48:07,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:48:07,857 INFO L93 Difference]: Finished difference Result 79 states and 121 transitions. [2024-11-18 22:48:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:48:07,859 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, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2024-11-18 22:48:07,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:48:07,864 INFO L225 Difference]: With dead ends: 79 [2024-11-18 22:48:07,865 INFO L226 Difference]: Without dead ends: 37 [2024-11-18 22:48:07,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:48:07,872 INFO L432 NwaCegarLoop]: 54 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, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 22:48:07,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:48:07,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-18 22:48:07,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-18 22:48:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-18 22:48:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-18 22:48:07,909 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 69 [2024-11-18 22:48:07,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:48:07,910 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-18 22:48:07,910 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, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-18 22:48:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-18 22:48:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 22:48:07,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:48:07,913 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:48:07,921 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 [2024-11-18 22:48:08,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 22:48:08,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:48:08,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:48:08,119 INFO L85 PathProgramCache]: Analyzing trace with hash -555644682, now seen corresponding path program 1 times [2024-11-18 22:48:08,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:48:08,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096637571] [2024-11-18 22:48:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:08,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 22:48:08,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:48:08,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 22:48:08,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 22:48:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:48:08,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-18 22:48:08,315 INFO L278 TraceCheckSpWp]: Computing forward predicates...