./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.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 7649e7a751636c8b1daa1c293380926ccd21d465f6b1b970a852e8fe7979b1e0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:53:09,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:53:09,333 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:53:09,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:53:09,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:53:09,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:53:09,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:53:09,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:53:09,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:53:09,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:53:09,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:53:09,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:53:09,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:53:09,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:53:09,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:53:09,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:53:09,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:53:09,383 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:53:09,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:53:09,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:53:09,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:53:09,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:53:09,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:53:09,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:53:09,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:53:09,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:53:09,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:53:09,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:53:09,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:53:09,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:53:09,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:53:09,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:53:09,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:53:09,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:53:09,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:53:09,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:53:09,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:53:09,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:53:09,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:53:09,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:53:09,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:53:09,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:53:09,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7649e7a751636c8b1daa1c293380926ccd21d465f6b1b970a852e8fe7979b1e0 [2024-11-12 06:53:09,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:53:09,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:53:09,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:53:09,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:53:09,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:53:09,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i [2024-11-12 06:53:11,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:53:11,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:53:11,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i [2024-11-12 06:53:11,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced9859df/5a0d24cda4a84c9397841bace87ac78b/FLAG4dfe2ca7f [2024-11-12 06:53:11,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced9859df/5a0d24cda4a84c9397841bace87ac78b [2024-11-12 06:53:11,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:53:11,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:53:11,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:53:11,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:53:11,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:53:11,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:11,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269bb5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11, skipping insertion in model container [2024-11-12 06:53:11,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:11,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:53:11,808 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i[915,928] [2024-11-12 06:53:11,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:53:11,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:53:11,894 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i[915,928] [2024-11-12 06:53:11,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:53:11,952 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:53:11,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11 WrapperNode [2024-11-12 06:53:11,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:53:11,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:53:11,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:53:11,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:53:11,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:11,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,012 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-12 06:53:12,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:53:12,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:53:12,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:53:12,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:53:12,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,057 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 06:53:12,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:53:12,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:53:12,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:53:12,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:53:12,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (1/1) ... [2024-11-12 06:53:12,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:53:12,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:53:12,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:53:12,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:53:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:53:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:53:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:53:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:53:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:53:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:53:12,291 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:53:12,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:53:12,673 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 06:53:12,674 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:53:12,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:53:12,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:53:12,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:53:12 BoogieIcfgContainer [2024-11-12 06:53:12,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:53:12,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:53:12,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:53:12,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:53:12,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:53:11" (1/3) ... [2024-11-12 06:53:12,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ecb222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:53:12, skipping insertion in model container [2024-11-12 06:53:12,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:11" (2/3) ... [2024-11-12 06:53:12,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ecb222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:53:12, skipping insertion in model container [2024-11-12 06:53:12,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:53:12" (3/3) ... [2024-11-12 06:53:12,702 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-85.i [2024-11-12 06:53:12,718 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:53:12,719 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:53:12,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:53:12,801 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;@193f2529, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:53:12,801 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:53:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 06:53:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 06:53:12,815 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:12,816 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:12,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:12,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:12,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1458547587, now seen corresponding path program 1 times [2024-11-12 06:53:12,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:12,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204726535] [2024-11-12 06:53:12,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:12,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:53:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:53:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 06:53:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:53:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:53:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:53:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-12 06:53:13,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:13,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204726535] [2024-11-12 06:53:13,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204726535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:13,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:13,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:53:13,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104454877] [2024-11-12 06:53:13,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:13,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:53:13,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:13,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:53:13,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:53:13,343 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-12 06:53:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:13,372 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-12 06:53:13,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:53:13,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-12 06:53:13,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:13,385 INFO L225 Difference]: With dead ends: 101 [2024-11-12 06:53:13,386 INFO L226 Difference]: Without dead ends: 50 [2024-11-12 06:53:13,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:53:13,393 INFO L435 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:13,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:53:13,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-12 06:53:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-12 06:53:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 06:53:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-12 06:53:13,432 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101 [2024-11-12 06:53:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:13,433 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-12 06:53:13,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-12 06:53:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-12 06:53:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 06:53:13,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:13,445 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:13,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:53:13,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:13,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:13,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1039911609, now seen corresponding path program 1 times [2024-11-12 06:53:13,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:13,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008349035] [2024-11-12 06:53:13,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:13,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:53:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:53:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 06:53:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:53:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:53:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:53:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-12 06:53:14,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:14,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008349035] [2024-11-12 06:53:14,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008349035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:14,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:14,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:53:14,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702394911] [2024-11-12 06:53:14,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:14,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:53:14,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:14,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:53:14,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:53:14,828 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 06:53:15,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:15,218 INFO L93 Difference]: Finished difference Result 159 states and 233 transitions. [2024-11-12 06:53:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 06:53:15,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-12 06:53:15,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:15,222 INFO L225 Difference]: With dead ends: 159 [2024-11-12 06:53:15,222 INFO L226 Difference]: Without dead ends: 112 [2024-11-12 06:53:15,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 06:53:15,224 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 89 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:15,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 223 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:53:15,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-12 06:53:15,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88. [2024-11-12 06:53:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 55 states have internal predecessors, (70), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 06:53:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions. [2024-11-12 06:53:15,263 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 101 [2024-11-12 06:53:15,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:15,265 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 130 transitions. [2024-11-12 06:53:15,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 06:53:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2024-11-12 06:53:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 06:53:15,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:15,268 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:15,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:53:15,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:15,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:15,270 INFO L85 PathProgramCache]: Analyzing trace with hash 735095753, now seen corresponding path program 1 times [2024-11-12 06:53:15,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:15,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452599598] [2024-11-12 06:53:15,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:15,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:53:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:53:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 06:53:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:53:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:53:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:53:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-12 06:53:15,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:15,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452599598] [2024-11-12 06:53:15,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452599598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:15,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:15,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:53:15,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350794961] [2024-11-12 06:53:15,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:15,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:53:15,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:15,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:53:15,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:53:15,894 INFO L87 Difference]: Start difference. First operand 88 states and 130 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 06:53:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:16,195 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2024-11-12 06:53:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 06:53:16,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-12 06:53:16,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:16,198 INFO L225 Difference]: With dead ends: 155 [2024-11-12 06:53:16,198 INFO L226 Difference]: Without dead ends: 102 [2024-11-12 06:53:16,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:53:16,200 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 56 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:16,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 219 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:53:16,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-12 06:53:16,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 88. [2024-11-12 06:53:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 55 states have internal predecessors, (69), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 06:53:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions. [2024-11-12 06:53:16,235 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 101 [2024-11-12 06:53:16,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:16,235 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions. [2024-11-12 06:53:16,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 06:53:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2024-11-12 06:53:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 06:53:16,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:16,241 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:16,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:53:16,241 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:16,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:16,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2046157833, now seen corresponding path program 1 times [2024-11-12 06:53:16,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:16,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909404918] [2024-11-12 06:53:16,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:16,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:53:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:53:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 06:53:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:53:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:53:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:53:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-12 06:53:17,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:17,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909404918] [2024-11-12 06:53:17,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909404918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:53:17,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065909028] [2024-11-12 06:53:17,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:17,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:53:17,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:53:17,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:53:17,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 06:53:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:17,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 06:53:17,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:53:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-12 06:53:17,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:53:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-12 06:53:17,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065909028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:53:17,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:53:17,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2024-11-12 06:53:17,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845104092] [2024-11-12 06:53:17,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:53:17,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 06:53:17,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:17,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 06:53:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-12 06:53:17,747 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-12 06:53:19,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:19,168 INFO L93 Difference]: Finished difference Result 242 states and 337 transitions. [2024-11-12 06:53:19,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-12 06:53:19,168 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 102 [2024-11-12 06:53:19,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:19,171 INFO L225 Difference]: With dead ends: 242 [2024-11-12 06:53:19,171 INFO L226 Difference]: Without dead ends: 193 [2024-11-12 06:53:19,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=345, Invalid=1215, Unknown=0, NotChecked=0, Total=1560 [2024-11-12 06:53:19,173 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 371 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:19,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 473 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 06:53:19,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-12 06:53:19,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 98. [2024-11-12 06:53:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 63 states have internal predecessors, (76), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 06:53:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-12 06:53:19,205 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 102 [2024-11-12 06:53:19,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:19,205 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-12 06:53:19,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-12 06:53:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-12 06:53:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 06:53:19,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:19,207 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:19,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 06:53:19,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:53:19,410 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:19,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:19,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1366099463, now seen corresponding path program 1 times [2024-11-12 06:53:19,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:19,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613748427] [2024-11-12 06:53:19,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:19,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 06:53:19,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509901760] [2024-11-12 06:53:19,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:19,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:53:19,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:53:19,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:53:19,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 06:53:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 06:53:19,700 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 06:53:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 06:53:19,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 06:53:19,844 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 06:53:19,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 06:53:19,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 06:53:20,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:53:20,051 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-12 06:53:20,148 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 06:53:20,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:53:20 BoogieIcfgContainer [2024-11-12 06:53:20,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 06:53:20,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 06:53:20,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 06:53:20,152 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 06:53:20,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:53:12" (3/4) ... [2024-11-12 06:53:20,154 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 06:53:20,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 06:53:20,156 INFO L158 Benchmark]: Toolchain (without parser) took 8560.80ms. Allocated memory was 167.8MB in the beginning and 299.9MB in the end (delta: 132.1MB). Free memory was 112.2MB in the beginning and 256.2MB in the end (delta: -144.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:53:20,156 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:53:20,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.00ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 96.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 06:53:20,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.01ms. Allocated memory is still 167.8MB. Free memory was 96.2MB in the beginning and 93.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 06:53:20,157 INFO L158 Benchmark]: Boogie Preprocessor took 75.95ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 88.9MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 06:53:20,158 INFO L158 Benchmark]: RCFGBuilder took 602.05ms. Allocated memory is still 167.8MB. Free memory was 88.9MB in the beginning and 69.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 06:53:20,158 INFO L158 Benchmark]: TraceAbstraction took 7456.42ms. Allocated memory was 167.8MB in the beginning and 299.9MB in the end (delta: 132.1MB). Free memory was 68.9MB in the beginning and 257.2MB in the end (delta: -188.3MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2024-11-12 06:53:20,158 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 299.9MB. Free memory is still 256.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:53:20,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.00ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 96.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.01ms. Allocated memory is still 167.8MB. Free memory was 96.2MB in the beginning and 93.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.95ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 88.9MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 602.05ms. Allocated memory is still 167.8MB. Free memory was 88.9MB in the beginning and 69.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7456.42ms. Allocated memory was 167.8MB in the beginning and 299.9MB in the end (delta: 132.1MB). Free memory was 68.9MB in the beginning and 257.2MB in the end (delta: -188.3MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 299.9MB. Free memory is still 256.2MB. 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 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 118. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 0; [L25] float var_1_7 = 0.6; [L26] unsigned long int var_1_8 = 32; [L27] unsigned long int var_1_9 = 32; [L28] float var_1_11 = 5.5; [L29] unsigned long int var_1_12 = 128; [L30] unsigned char var_1_13 = 16; [L31] unsigned char var_1_14 = 0; [L32] unsigned long int var_1_15 = 8; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 1.8; [L36] double var_1_19 = 4.5; [L37] double var_1_20 = 15.5; [L38] unsigned long int last_1_var_1_1 = 1000; [L39] unsigned char last_1_var_1_5 = 1; [L40] unsigned long int last_1_var_1_12 = 128; [L41] unsigned char last_1_var_1_13 = 16; [L42] unsigned long int last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L111] last_1_var_1_1 = var_1_1 [L112] last_1_var_1_5 = var_1_5 [L113] last_1_var_1_12 = var_1_12 [L114] last_1_var_1_13 = var_1_13 [L115] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L125] RET updateLastVariables() [L126] CALL updateVariables() [L86] var_1_6 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L89] var_1_8 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L90] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L91] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L91] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L92] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=32] [L92] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=32] [L93] var_1_9 = __VERIFIER_nondet_ulong() [L94] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L94] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L95] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L95] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L96] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L96] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L97] var_1_11 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L98] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L99] var_1_14 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L100] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L101] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L102] var_1_17 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L103] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L104] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L105] var_1_19 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L106] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L107] var_1_20 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L108] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L126] RET updateVariables() [L127] CALL step() [L46] signed long int stepLocal_1 = last_1_var_1_13; [L47] signed long int stepLocal_0 = last_1_var_1_13; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L48] COND TRUE stepLocal_1 < ((- last_1_var_1_12) * 64) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L49] COND TRUE \read(last_1_var_1_5) [L50] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L59] unsigned long int stepLocal_2 = last_1_var_1_15 + last_1_var_1_1; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_2=1008, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L60] COND TRUE last_1_var_1_13 <= stepLocal_2 [L61] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L65] unsigned char stepLocal_3 = var_1_5; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_3=0, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L66] COND FALSE !(stepLocal_3 || var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L69] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L70] var_1_16 = (var_1_6 && var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L71] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L74] COND FALSE !((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) [L79] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L81] COND TRUE var_1_7 <= (- (32.8f + var_1_7)) [L82] var_1_12 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L127] RET step() [L128] CALL, EXPR property() [L118-L119] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 5, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 529 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 516 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 730 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 561 IncrementalHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 258 mSDtfsCounter, 561 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 340 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 46, 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, 4 MinimizatonAttempts, 133 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 603 ConstructedInterpolants, 0 QuantifiedInterpolants, 3246 SizeOfPredicates, 3 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 2502/2520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 06:53:20,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.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 7649e7a751636c8b1daa1c293380926ccd21d465f6b1b970a852e8fe7979b1e0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:53:22,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:53:22,628 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-12 06:53:22,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:53:22,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:53:22,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:53:22,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:53:22,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:53:22,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:53:22,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:53:22,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:53:22,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:53:22,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:53:22,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:53:22,687 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:53:22,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:53:22,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:53:22,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:53:22,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:53:22,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:53:22,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:53:22,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:53:22,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:53:22,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 06:53:22,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 06:53:22,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:53:22,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 06:53:22,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:53:22,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:53:22,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:53:22,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:53:22,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:53:22,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:53:22,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:53:22,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:53:22,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:53:22,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:53:22,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:53:22,700 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 06:53:22,700 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 06:53:22,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:53:22,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:53:22,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:53:22,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:53:22,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7649e7a751636c8b1daa1c293380926ccd21d465f6b1b970a852e8fe7979b1e0 [2024-11-12 06:53:23,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:53:23,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:53:23,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:53:23,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:53:23,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:53:23,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i [2024-11-12 06:53:24,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:53:25,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:53:25,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i [2024-11-12 06:53:25,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed00c2c7/9cf673ffafe944c69c104aa36dcd0eca/FLAG71e737988 [2024-11-12 06:53:25,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed00c2c7/9cf673ffafe944c69c104aa36dcd0eca [2024-11-12 06:53:25,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:53:25,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:53:25,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:53:25,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:53:25,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:53:25,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398bf519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25, skipping insertion in model container [2024-11-12 06:53:25,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:53:25,406 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i[915,928] [2024-11-12 06:53:25,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:53:25,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:53:25,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-85.i[915,928] [2024-11-12 06:53:25,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:53:25,595 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:53:25,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25 WrapperNode [2024-11-12 06:53:25,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:53:25,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:53:25,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:53:25,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:53:25,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,659 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-12 06:53:25,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:53:25,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:53:25,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:53:25,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:53:25,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,712 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 06:53:25,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:53:25,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:53:25,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:53:25,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:53:25,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (1/1) ... [2024-11-12 06:53:25,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:53:25,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:53:25,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:53:25,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:53:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:53:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 06:53:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:53:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:53:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:53:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:53:25,903 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:53:25,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:53:29,595 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 06:53:29,595 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:53:29,611 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:53:29,612 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:53:29,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:53:29 BoogieIcfgContainer [2024-11-12 06:53:29,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:53:29,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:53:29,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:53:29,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:53:29,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:53:25" (1/3) ... [2024-11-12 06:53:29,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df4097a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:53:29, skipping insertion in model container [2024-11-12 06:53:29,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:53:25" (2/3) ... [2024-11-12 06:53:29,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df4097a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:53:29, skipping insertion in model container [2024-11-12 06:53:29,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:53:29" (3/3) ... [2024-11-12 06:53:29,632 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-85.i [2024-11-12 06:53:29,654 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:53:29,655 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:53:29,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:53:29,741 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;@5a42609e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:53:29,743 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:53:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 06:53:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 06:53:29,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:29,760 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:29,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:29,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1458547587, now seen corresponding path program 1 times [2024-11-12 06:53:29,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:53:29,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642113053] [2024-11-12 06:53:29,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:29,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 06:53:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:53:29,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 06:53:29,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-12 06:53:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:30,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 06:53:30,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:53:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-12 06:53:30,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 06:53:30,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:53:30,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642113053] [2024-11-12 06:53:30,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642113053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:30,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:30,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:53:30,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282035406] [2024-11-12 06:53:30,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:30,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:53:30,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:53:30,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:53:30,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:53:30,324 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-12 06:53:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:30,358 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-12 06:53:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:53:30,361 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-12 06:53:30,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:30,370 INFO L225 Difference]: With dead ends: 101 [2024-11-12 06:53:30,371 INFO L226 Difference]: Without dead ends: 50 [2024-11-12 06:53:30,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:53:30,381 INFO L435 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:30,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:53:30,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-12 06:53:30,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-12 06:53:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 06:53:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-12 06:53:30,431 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101 [2024-11-12 06:53:30,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:30,432 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-12 06:53:30,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-12 06:53:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-12 06:53:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 06:53:30,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:30,438 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:30,458 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 [2024-11-12 06:53:30,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 06:53:30,640 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:30,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:30,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1039911609, now seen corresponding path program 1 times [2024-11-12 06:53:30,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:53:30,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430792037] [2024-11-12 06:53:30,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:30,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 06:53:30,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:53:30,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 06:53:30,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-12 06:53:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:30,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 06:53:31,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:53:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-12 06:53:31,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 06:53:31,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:53:31,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430792037] [2024-11-12 06:53:31,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430792037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:31,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:31,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:53:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495680692] [2024-11-12 06:53:31,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:31,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:53:31,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:53:31,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:53:31,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:53:31,955 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 06:53:33,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 06:53:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:33,939 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-11-12 06:53:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:53:33,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-12 06:53:33,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:33,962 INFO L225 Difference]: With dead ends: 97 [2024-11-12 06:53:33,962 INFO L226 Difference]: Without dead ends: 50 [2024-11-12 06:53:33,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:53:33,964 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 66 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:33,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 100 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-12 06:53:33,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-12 06:53:33,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-12 06:53:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 06:53:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-12 06:53:33,978 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 101 [2024-11-12 06:53:33,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:33,979 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-12 06:53:33,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 06:53:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-12 06:53:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 06:53:33,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:33,984 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:34,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-12 06:53:34,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 06:53:34,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:34,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:34,188 INFO L85 PathProgramCache]: Analyzing trace with hash 473802101, now seen corresponding path program 1 times [2024-11-12 06:53:34,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:53:34,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307381572] [2024-11-12 06:53:34,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:34,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 06:53:34,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:53:34,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 06:53:34,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-12 06:53:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:34,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 06:53:34,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:53:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-12 06:53:36,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:53:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-12 06:53:37,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:53:37,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307381572] [2024-11-12 06:53:37,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307381572] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:53:37,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 06:53:37,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2024-11-12 06:53:37,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125554782] [2024-11-12 06:53:37,959 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 06:53:37,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 06:53:37,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:53:37,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 06:53:37,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-12 06:53:37,965 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-12 06:53:41,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 06:53:44,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:44,407 INFO L93 Difference]: Finished difference Result 207 states and 298 transitions. [2024-11-12 06:53:44,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 06:53:44,408 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 102 [2024-11-12 06:53:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:44,411 INFO L225 Difference]: With dead ends: 207 [2024-11-12 06:53:44,411 INFO L226 Difference]: Without dead ends: 160 [2024-11-12 06:53:44,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2024-11-12 06:53:44,414 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 362 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:44,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 401 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-12 06:53:44,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-12 06:53:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 124. [2024-11-12 06:53:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-12 06:53:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions. [2024-11-12 06:53:44,464 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 102 [2024-11-12 06:53:44,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:44,466 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 178 transitions. [2024-11-12 06:53:44,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-12 06:53:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions. [2024-11-12 06:53:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 06:53:44,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:44,470 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:44,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-12 06:53:44,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 06:53:44,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:44,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1366099463, now seen corresponding path program 1 times [2024-11-12 06:53:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:53:44,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979546035] [2024-11-12 06:53:44,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:44,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 06:53:44,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:53:44,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 06:53:44,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-12 06:53:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:44,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-12 06:53:45,007 INFO L279 TraceCheckSpWp]: Computing forward predicates...