./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.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 14263a7f5b9de37c93df4817d1a8be828f9a9f73581f135551b120fdb5e36320 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 04:17:17,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 04:17:17,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 04:17:17,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 04:17:17,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 04:17:17,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 04:17:17,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 04:17:17,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 04:17:17,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 04:17:17,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 04:17:17,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 04:17:17,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 04:17:17,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 04:17:17,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 04:17:17,915 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 04:17:17,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 04:17:17,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 04:17:17,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 04:17:17,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 04:17:17,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 04:17:17,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 04:17:17,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 04:17:17,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 04:17:17,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 04:17:17,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 04:17:17,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 04:17:17,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 04:17:17,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 04:17:17,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 04:17:17,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 04:17:17,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 04:17:17,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 04:17:17,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:17:17,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 04:17:17,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 04:17:17,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 04:17:17,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 04:17:17,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 04:17:17,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 04:17:17,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 04:17:17,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 04:17:17,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 04:17:17,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14263a7f5b9de37c93df4817d1a8be828f9a9f73581f135551b120fdb5e36320 [2024-10-13 04:17:18,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 04:17:18,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 04:17:18,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 04:17:18,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 04:17:18,250 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 04:17:18,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i [2024-10-13 04:17:19,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 04:17:20,021 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 04:17:20,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i [2024-10-13 04:17:20,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c170b1cfe/4ab0c0715f3e4414944eb28e744762dc/FLAG82e827e5e [2024-10-13 04:17:20,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c170b1cfe/4ab0c0715f3e4414944eb28e744762dc [2024-10-13 04:17:20,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 04:17:20,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 04:17:20,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 04:17:20,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 04:17:20,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 04:17:20,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be88505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20, skipping insertion in model container [2024-10-13 04:17:20,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 04:17:20,316 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i[915,928] [2024-10-13 04:17:20,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:17:20,391 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 04:17:20,405 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i[915,928] [2024-10-13 04:17:20,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:17:20,462 INFO L204 MainTranslator]: Completed translation [2024-10-13 04:17:20,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20 WrapperNode [2024-10-13 04:17:20,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 04:17:20,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 04:17:20,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 04:17:20,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 04:17:20,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,524 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-10-13 04:17:20,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 04:17:20,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 04:17:20,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 04:17:20,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 04:17:20,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,577 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]. [2024-10-13 04:17:20,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 04:17:20,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 04:17:20,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 04:17:20,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 04:17:20,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (1/1) ... [2024-10-13 04:17:20,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:17:20,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:17:20,643 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) [2024-10-13 04:17:20,648 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 [2024-10-13 04:17:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 04:17:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 04:17:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 04:17:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 04:17:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 04:17:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 04:17:20,781 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 04:17:20,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 04:17:21,043 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-13 04:17:21,044 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 04:17:21,089 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 04:17:21,090 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 04:17:21,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:17:21 BoogieIcfgContainer [2024-10-13 04:17:21,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 04:17:21,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 04:17:21,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 04:17:21,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 04:17:21,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:17:20" (1/3) ... [2024-10-13 04:17:21,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d049db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:17:21, skipping insertion in model container [2024-10-13 04:17:21,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:20" (2/3) ... [2024-10-13 04:17:21,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d049db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:17:21, skipping insertion in model container [2024-10-13 04:17:21,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:17:21" (3/3) ... [2024-10-13 04:17:21,102 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-30.i [2024-10-13 04:17:21,120 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 04:17:21,121 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 04:17:21,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 04:17:21,186 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;@706a8edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 04:17:21,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 04:17:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 04:17:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-13 04:17:21,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:17:21,204 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:17:21,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:17:21,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:17:21,213 INFO L85 PathProgramCache]: Analyzing trace with hash 624855087, now seen corresponding path program 1 times [2024-10-13 04:17:21,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:17:21,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659845330] [2024-10-13 04:17:21,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:17:21,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:17:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:17:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:17:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:17:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:17:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 04:17:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:17:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 04:17:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 04:17:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 04:17:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 04:17:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 04:17:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 04:17:21,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:17:21,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659845330] [2024-10-13 04:17:21,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659845330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:17:21,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:17:21,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 04:17:21,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502529504] [2024-10-13 04:17:21,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:17:21,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 04:17:21,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:17:21,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 04:17:21,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:17:21,650 INFO L87 Difference]: Start difference. First operand has 36 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 04:17:21,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:17:21,702 INFO L93 Difference]: Finished difference Result 69 states and 119 transitions. [2024-10-13 04:17:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 04:17:21,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 70 [2024-10-13 04:17:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:17:21,718 INFO L225 Difference]: With dead ends: 69 [2024-10-13 04:17:21,718 INFO L226 Difference]: Without dead ends: 34 [2024-10-13 04:17:21,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:17:21,728 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:17:21,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:17:21,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-13 04:17:21,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-13 04:17:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 04:17:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 49 transitions. [2024-10-13 04:17:21,779 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 49 transitions. Word has length 70 [2024-10-13 04:17:21,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:17:21,780 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 49 transitions. [2024-10-13 04:17:21,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 04:17:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-10-13 04:17:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-13 04:17:21,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:17:21,787 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:17:21,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 04:17:21,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:17:21,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:17:21,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1704056433, now seen corresponding path program 1 times [2024-10-13 04:17:21,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:17:21,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031585713] [2024-10-13 04:17:21,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:17:21,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:17:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:17:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:17:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:17:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:17:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 04:17:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:17:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 04:17:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 04:17:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 04:17:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 04:17:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 04:17:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:17:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 04:17:22,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:17:22,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031585713] [2024-10-13 04:17:22,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031585713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:17:22,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:17:22,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 04:17:22,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413958373] [2024-10-13 04:17:22,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:17:22,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 04:17:22,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:17:22,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 04:17:22,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 04:17:22,447 INFO L87 Difference]: Start difference. First operand 34 states and 49 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 04:17:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:17:22,629 INFO L93 Difference]: Finished difference Result 122 states and 166 transitions. [2024-10-13 04:17:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 04:17:22,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2024-10-13 04:17:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:17:22,635 INFO L225 Difference]: With dead ends: 122 [2024-10-13 04:17:22,636 INFO L226 Difference]: Without dead ends: 89 [2024-10-13 04:17:22,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:17:22,638 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 68 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 04:17:22,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 127 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 04:17:22,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-13 04:17:22,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2024-10-13 04:17:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.25) internal successors, (65), 55 states have internal predecessors, (65), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 04:17:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 111 transitions. [2024-10-13 04:17:22,676 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 111 transitions. Word has length 70 [2024-10-13 04:17:22,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:17:22,679 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 111 transitions. [2024-10-13 04:17:22,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 04:17:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2024-10-13 04:17:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-13 04:17:22,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:17:22,681 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:17:22,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 04:17:22,681 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:17:22,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:17:22,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1704116015, now seen corresponding path program 1 times [2024-10-13 04:17:22,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:17:22,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388209147] [2024-10-13 04:17:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:17:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:17:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat