./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_floatingpointinfluence_has-floats_file-22.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 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:40:12,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:40:12,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:40:12,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:40:12,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:40:12,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:40:12,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:40:12,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:40:12,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:40:12,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:40:12,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:40:12,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:40:12,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:40:12,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:40:12,218 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:40:12,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:40:12,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:40:12,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:40:12,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:40:12,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:40:12,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:40:12,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:40:12,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:40:12,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:40:12,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:40:12,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:40:12,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:40:12,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:40:12,222 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:40:12,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:40:12,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:40:12,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:40:12,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:40:12,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:40:12,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:40:12,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:40:12,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:40:12,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:40:12,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:40:12,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:40:12,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:40:12,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:40:12,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 [2024-11-10 06:40:12,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:40:12,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:40:12,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:40:12,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:40:12,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:40:12,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-10 06:40:13,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:40:13,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:40:13,957 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-10 06:40:13,964 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9fc66186/05687e44080a45f6922330a8423b4514/FLAG961bcf7f7 [2024-11-10 06:40:14,345 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9fc66186/05687e44080a45f6922330a8423b4514 [2024-11-10 06:40:14,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:40:14,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:40:14,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:40:14,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:40:14,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:40:14,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19606269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14, skipping insertion in model container [2024-11-10 06:40:14,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:40:14,514 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_floatingpointinfluence_has-floats_file-22.i[917,930] [2024-11-10 06:40:14,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:40:14,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:40:14,595 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_floatingpointinfluence_has-floats_file-22.i[917,930] [2024-11-10 06:40:14,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:40:14,646 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:40:14,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14 WrapperNode [2024-11-10 06:40:14,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:40:14,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:40:14,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:40:14,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:40:14,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,685 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-10 06:40:14,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:40:14,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:40:14,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:40:14,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:40:14,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,714 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]. [2024-11-10 06:40:14,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,720 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:40:14,726 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:40:14,727 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:40:14,727 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:40:14,727 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (1/1) ... [2024-11-10 06:40:14,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:40:14,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:40:14,767 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) [2024-11-10 06:40:14,771 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 [2024-11-10 06:40:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:40:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:40:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:40:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:40:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:40:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:40:14,912 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:40:14,923 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:40:15,136 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L87: havoc property_#t~bitwise11#1;havoc property_#t~short12#1; [2024-11-10 06:40:15,160 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-10 06:40:15,161 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:40:15,177 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:40:15,177 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:40:15,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:40:15 BoogieIcfgContainer [2024-11-10 06:40:15,178 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:40:15,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:40:15,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:40:15,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:40:15,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:40:14" (1/3) ... [2024-11-10 06:40:15,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10570022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:40:15, skipping insertion in model container [2024-11-10 06:40:15,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:14" (2/3) ... [2024-11-10 06:40:15,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10570022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:40:15, skipping insertion in model container [2024-11-10 06:40:15,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:40:15" (3/3) ... [2024-11-10 06:40:15,185 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-10 06:40:15,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:40:15,200 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:40:15,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:40:15,263 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;@62a3020b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:40:15,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:40:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 06:40:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 06:40:15,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:15,284 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1] [2024-11-10 06:40:15,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:15,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:15,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1925129036, now seen corresponding path program 1 times [2024-11-10 06:40:15,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:40:15,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832723581] [2024-11-10 06:40:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:15,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:40:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:40:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:40:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:40:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:40:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:40:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 06:40:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:40:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:40:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:40:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 06:40:15,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:40:15,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832723581] [2024-11-10 06:40:15,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832723581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:40:15,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:40:15,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:40:15,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048063299] [2024-11-10 06:40:15,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:40:15,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:40:15,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:40:15,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:40:15,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:40:15,593 INFO L87 Difference]: Start difference. First operand has 53 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 06:40:15,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:40:15,621 INFO L93 Difference]: Finished difference Result 97 states and 152 transitions. [2024-11-10 06:40:15,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:40:15,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2024-11-10 06:40:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:40:15,629 INFO L225 Difference]: With dead ends: 97 [2024-11-10 06:40:15,629 INFO L226 Difference]: Without dead ends: 47 [2024-11-10 06:40:15,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:40:15,634 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:40:15,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:40:15,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-10 06:40:15,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-10 06:40:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 06:40:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 65 transitions. [2024-11-10 06:40:15,675 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 65 transitions. Word has length 69 [2024-11-10 06:40:15,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:40:15,675 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 65 transitions. [2024-11-10 06:40:15,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 06:40:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-10 06:40:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 06:40:15,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:15,684 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1] [2024-11-10 06:40:15,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:40:15,685 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:15,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:15,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1133236247, now seen corresponding path program 1 times [2024-11-10 06:40:15,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:40:15,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883406422] [2024-11-10 06:40:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:15,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:40:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:40:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:40:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:40:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:40:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:40:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 06:40:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:40:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:40:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:40:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 06:40:16,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:40:16,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883406422] [2024-11-10 06:40:16,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883406422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:40:16,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:40:16,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:40:16,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31020846] [2024-11-10 06:40:16,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:40:16,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:40:16,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:40:16,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:40:16,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:40:16,355 INFO L87 Difference]: Start difference. First operand 47 states and 65 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 06:40:16,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:40:16,607 INFO L93 Difference]: Finished difference Result 159 states and 221 transitions. [2024-11-10 06:40:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:40:16,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 69 [2024-11-10 06:40:16,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:40:16,610 INFO L225 Difference]: With dead ends: 159 [2024-11-10 06:40:16,610 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 06:40:16,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 06:40:16,611 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 106 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:40:16,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 148 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:40:16,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 06:40:16,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 80. [2024-11-10 06:40:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 59 states have internal predecessors, (76), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 06:40:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 112 transitions. [2024-11-10 06:40:16,639 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 112 transitions. Word has length 69 [2024-11-10 06:40:16,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:40:16,640 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 112 transitions. [2024-11-10 06:40:16,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 06:40:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2024-11-10 06:40:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 06:40:16,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:16,642 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1] [2024-11-10 06:40:16,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:40:16,642 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:16,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:16,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1330905846, now seen corresponding path program 1 times [2024-11-10 06:40:16,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:40:16,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158550913] [2024-11-10 06:40:16,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:16,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:40:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:40:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:40:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:40:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:40:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:40:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 06:40:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:40:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:40:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:40:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 06:40:17,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:40:17,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158550913] [2024-11-10 06:40:17,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158550913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:40:17,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:40:17,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:40:17,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162128737] [2024-11-10 06:40:17,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:40:17,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:40:17,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:40:17,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:40:17,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:40:17,013 INFO L87 Difference]: Start difference. First operand 80 states and 112 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 06:40:17,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:40:17,262 INFO L93 Difference]: Finished difference Result 165 states and 229 transitions. [2024-11-10 06:40:17,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:40:17,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 70 [2024-11-10 06:40:17,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:40:17,265 INFO L225 Difference]: With dead ends: 165 [2024-11-10 06:40:17,266 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 06:40:17,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 06:40:17,267 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 81 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:40:17,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 169 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:40:17,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 06:40:17,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 81. [2024-11-10 06:40:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 60 states have internal predecessors, (76), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 06:40:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 112 transitions. [2024-11-10 06:40:17,285 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 112 transitions. Word has length 70 [2024-11-10 06:40:17,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:40:17,286 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 112 transitions. [2024-11-10 06:40:17,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 06:40:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2024-11-10 06:40:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 06:40:17,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:17,290 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1] [2024-11-10 06:40:17,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:40:17,290 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:17,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:17,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1128828170, now seen corresponding path program 1 times [2024-11-10 06:40:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:40:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636609207] [2024-11-10 06:40:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:40:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:40:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:40:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:40:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:40:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:40:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 06:40:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:40:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:40:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:40:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 06:40:17,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:40:17,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636609207] [2024-11-10 06:40:17,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636609207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:40:17,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:40:17,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 06:40:17,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573034772] [2024-11-10 06:40:17,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:40:17,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 06:40:17,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:40:17,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 06:40:17,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:40:17,940 INFO L87 Difference]: Start difference. First operand 81 states and 112 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 06:40:18,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:40:18,282 INFO L93 Difference]: Finished difference Result 236 states and 322 transitions. [2024-11-10 06:40:18,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:40:18,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2024-11-10 06:40:18,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:40:18,284 INFO L225 Difference]: With dead ends: 236 [2024-11-10 06:40:18,284 INFO L226 Difference]: Without dead ends: 192 [2024-11-10 06:40:18,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 06:40:18,285 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 116 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:40:18,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 265 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:40:18,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-10 06:40:18,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 157. [2024-11-10 06:40:18,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 123 states have (on average 1.3089430894308942) internal successors, (161), 124 states have internal predecessors, (161), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 06:40:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 219 transitions. [2024-11-10 06:40:18,320 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 219 transitions. Word has length 70 [2024-11-10 06:40:18,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:40:18,321 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 219 transitions. [2024-11-10 06:40:18,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 06:40:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 219 transitions. [2024-11-10 06:40:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 06:40:18,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:18,322 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1] [2024-11-10 06:40:18,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:40:18,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:18,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:18,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1257910889, now seen corresponding path program 1 times [2024-11-10 06:40:18,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:40:18,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981216143] [2024-11-10 06:40:18,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:18,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:40:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:40:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:40:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:40:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:40:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:40:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 06:40:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:40:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:40:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:40:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 06:40:18,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:40:18,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981216143] [2024-11-10 06:40:18,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981216143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:40:18,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:40:18,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:40:18,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44527020] [2024-11-10 06:40:18,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:40:18,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:40:18,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:40:18,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:40:18,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:40:18,399 INFO L87 Difference]: Start difference. First operand 157 states and 219 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 06:40:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:40:18,423 INFO L93 Difference]: Finished difference Result 280 states and 394 transitions. [2024-11-10 06:40:18,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:40:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 70 [2024-11-10 06:40:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:40:18,426 INFO L225 Difference]: With dead ends: 280 [2024-11-10 06:40:18,426 INFO L226 Difference]: Without dead ends: 165 [2024-11-10 06:40:18,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:40:18,429 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:40:18,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 115 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:40:18,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-10 06:40:18,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 157. [2024-11-10 06:40:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 124 states have internal predecessors, (159), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 06:40:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 217 transitions. [2024-11-10 06:40:18,456 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 217 transitions. Word has length 70 [2024-11-10 06:40:18,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:40:18,457 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 217 transitions. [2024-11-10 06:40:18,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 06:40:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2024-11-10 06:40:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 06:40:18,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:18,458 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1] [2024-11-10 06:40:18,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:40:18,458 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:18,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash -213385896, now seen corresponding path program 1 times [2024-11-10 06:40:18,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:40:18,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268723770] [2024-11-10 06:40:18,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:40:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 06:40:18,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 06:40:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 06:40:18,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 06:40:18,532 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 06:40:18,533 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 06:40:18,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:40:18,536 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-10 06:40:18,584 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 06:40:18,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:40:18 BoogieIcfgContainer [2024-11-10 06:40:18,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 06:40:18,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 06:40:18,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 06:40:18,590 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 06:40:18,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:40:15" (3/4) ... [2024-11-10 06:40:18,593 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 06:40:18,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 06:40:18,596 INFO L158 Benchmark]: Toolchain (without parser) took 4244.29ms. Allocated memory was 151.0MB in the beginning and 257.9MB in the end (delta: 107.0MB). Free memory was 80.3MB in the beginning and 148.3MB in the end (delta: -68.0MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-10 06:40:18,596 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 06:40:18,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.74ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 65.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 06:40:18,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.02ms. Allocated memory is still 151.0MB. Free memory was 65.6MB in the beginning and 62.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 06:40:18,597 INFO L158 Benchmark]: Boogie Preprocessor took 39.56ms. Allocated memory is still 151.0MB. Free memory was 62.9MB in the beginning and 59.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 06:40:18,597 INFO L158 Benchmark]: IcfgBuilder took 451.78ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 59.6MB in the beginning and 172.5MB in the end (delta: -112.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-10 06:40:18,597 INFO L158 Benchmark]: TraceAbstraction took 3409.21ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 171.5MB in the beginning and 148.3MB in the end (delta: 23.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-10 06:40:18,597 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 257.9MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 06:40:18,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.74ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 65.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.02ms. Allocated memory is still 151.0MB. Free memory was 65.6MB in the beginning and 62.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.56ms. Allocated memory is still 151.0MB. Free memory was 62.9MB in the beginning and 59.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 451.78ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 59.6MB in the beginning and 172.5MB in the end (delta: -112.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3409.21ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 171.5MB in the beginning and 148.3MB in the end (delta: 23.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 257.9MB. Free memory is still 148.3MB. 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 87, overapproximation of bitwiseAnd at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 44772; [L26] float var_1_7 = 5.9; [L27] float var_1_8 = 7.6; [L28] float var_1_9 = 64.2; [L29] float var_1_10 = 128.75; [L30] unsigned long int var_1_11 = 8; [L31] unsigned long int var_1_12 = 3135928546; [L32] signed short int last_1_var_1_1 = -5; [L33] unsigned long int last_1_var_1_11 = 8; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=0, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] CALL updateLastVariables() [L83] last_1_var_1_1 = var_1_1 [L84] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=0, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L94] RET updateLastVariables() [L95] CALL updateVariables() [L66] var_1_4 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L69] var_1_6 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L70] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L72] var_1_8 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_9=321/5] [L73] RET assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_9=321/5] [L74] var_1_9 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L75] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L76] var_1_10 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L77] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L78] var_1_12 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L79] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L80] CALL assume_abort_if_not(var_1_12 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L80] RET assume_abort_if_not(var_1_12 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L95] RET updateVariables() [L96] CALL step() [L37] signed long int stepLocal_0 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L38] COND TRUE \read(var_1_4) [L39] var_1_5 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=-5, var_1_6=65534, var_1_7=59/10] [L45] COND TRUE var_1_5 == var_1_5 [L46] var_1_1 = (var_1_5 + -16) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=65534, var_1_7=59/10] [L52] EXPR var_1_5 & last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=65534, var_1_7=59/10] [L52] COND TRUE last_1_var_1_11 >= (var_1_5 & last_1_var_1_11) [L53] var_1_11 = ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=65534, var_1_7=59/10] [L61] COND TRUE var_1_1 < var_1_5 [L62] var_1_7 = (((10.25f + var_1_8) + var_1_9) + var_1_10) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=65534] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=65534] [L87-L88] return ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=65534] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=65534] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 316 mSDsluCounter, 760 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 452 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 308 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 112 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 419 NumberOfCodeBlocks, 419 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 1474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 720/720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 06:40:18,628 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_floatingpointinfluence_has-floats_file-22.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 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:40:20,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:40:20,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-10 06:40:20,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:40:20,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:40:20,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:40:20,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:40:20,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:40:20,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:40:20,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:40:20,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:40:20,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:40:20,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:40:20,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:40:20,594 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:40:20,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:40:20,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:40:20,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:40:20,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:40:20,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:40:20,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:40:20,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:40:20,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:40:20,602 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 06:40:20,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 06:40:20,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:40:20,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 06:40:20,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:40:20,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:40:20,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:40:20,604 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:40:20,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:40:20,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:40:20,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:40:20,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:40:20,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:40:20,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:40:20,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:40:20,606 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 06:40:20,607 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 06:40:20,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:40:20,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:40:20,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:40:20,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:40:20,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 [2024-11-10 06:40:20,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:40:20,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:40:20,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:40:20,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:40:20,921 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:40:20,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-10 06:40:22,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:40:22,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:40:22,489 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-10 06:40:22,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d407f3a73/55b74b1c1d244f3784c98629630a0261/FLAG96439713c [2024-11-10 06:40:22,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d407f3a73/55b74b1c1d244f3784c98629630a0261 [2024-11-10 06:40:22,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:40:22,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:40:22,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:40:22,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:40:22,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:40:22,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6fa202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22, skipping insertion in model container [2024-11-10 06:40:22,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:40:22,704 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_floatingpointinfluence_has-floats_file-22.i[917,930] [2024-11-10 06:40:22,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:40:22,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:40:22,803 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_floatingpointinfluence_has-floats_file-22.i[917,930] [2024-11-10 06:40:22,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:40:22,857 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:40:22,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22 WrapperNode [2024-11-10 06:40:22,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:40:22,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:40:22,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:40:22,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:40:22,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,899 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-11-10 06:40:22,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:40:22,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:40:22,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:40:22,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:40:22,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,920 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,944 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]. [2024-11-10 06:40:22,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,955 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:40:22,965 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:40:22,965 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:40:22,965 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:40:22,966 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (1/1) ... [2024-11-10 06:40:22,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:40:22,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:40:23,003 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) [2024-11-10 06:40:23,006 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 [2024-11-10 06:40:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:40:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 06:40:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:40:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:40:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:40:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:40:23,104 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:40:23,105 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:40:24,324 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-10 06:40:24,324 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:40:24,337 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:40:24,337 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:40:24,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:40:24 BoogieIcfgContainer [2024-11-10 06:40:24,338 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:40:24,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:40:24,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:40:24,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:40:24,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:40:22" (1/3) ... [2024-11-10 06:40:24,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff63211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:40:24, skipping insertion in model container [2024-11-10 06:40:24,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:40:22" (2/3) ... [2024-11-10 06:40:24,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff63211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:40:24, skipping insertion in model container [2024-11-10 06:40:24,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:40:24" (3/3) ... [2024-11-10 06:40:24,345 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-10 06:40:24,360 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:40:24,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:40:24,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:40:24,417 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;@29e3b36a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:40:24,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:40:24,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 06:40:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 06:40:24,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:24,428 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-10 06:40:24,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:24,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:24,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1375218664, now seen corresponding path program 1 times [2024-11-10 06:40:24,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 06:40:24,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627058071] [2024-11-10 06:40:24,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:24,443 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 [2024-11-10 06:40:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 06:40:24,446 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) [2024-11-10 06:40:24,447 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 [2024-11-10 06:40:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:24,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 06:40:24,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:40:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-10 06:40:24,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 06:40:24,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 06:40:24,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627058071] [2024-11-10 06:40:24,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627058071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:40:24,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:40:24,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:40:24,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074776901] [2024-11-10 06:40:24,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:40:24,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:40:24,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 06:40:24,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:40:24,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:40:24,765 INFO L87 Difference]: Start difference. First operand has 44 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 06:40:24,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:40:24,783 INFO L93 Difference]: Finished difference Result 78 states and 122 transitions. [2024-11-10 06:40:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:40:24,785 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2024-11-10 06:40:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:40:24,790 INFO L225 Difference]: With dead ends: 78 [2024-11-10 06:40:24,790 INFO L226 Difference]: Without dead ends: 37 [2024-11-10 06:40:24,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:40:24,796 INFO L432 NwaCegarLoop]: 48 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, 48 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 [2024-11-10 06:40:24,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:40:24,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-10 06:40:24,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-10 06:40:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 06:40:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-11-10 06:40:24,843 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 66 [2024-11-10 06:40:24,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:40:24,843 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-10 06:40:24,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 06:40:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-10 06:40:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 06:40:24,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:40:24,846 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-10 06:40:24,856 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 [2024-11-10 06:40:25,049 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 [2024-11-10 06:40:25,050 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:40:25,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:40:25,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1762743189, now seen corresponding path program 1 times [2024-11-10 06:40:25,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 06:40:25,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596585580] [2024-11-10 06:40:25,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:40:25,052 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 [2024-11-10 06:40:25,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 06:40:25,054 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) [2024-11-10 06:40:25,055 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 [2024-11-10 06:40:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:40:25,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 06:40:25,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:41:07,462 WARN L286 SmtUtils]: Spent 11.57s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)