./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 74209841f9356d49f7572acf5bfcaf3e4678665a116185553a2345eed5aa500b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:31:55,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:31:55,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:31:55,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:31:55,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:31:55,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:31:55,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:31:55,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:31:55,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:31:55,396 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:31:55,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:31:55,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:31:55,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:31:55,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:31:55,399 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:31:55,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:31:55,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:31:55,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:31:55,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:31:55,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:31:55,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:31:55,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:31:55,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:31:55,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:31:55,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:31:55,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:31:55,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:31:55,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:31:55,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:31:55,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:31:55,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:31:55,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:31:55,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:31:55,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:31:55,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:31:55,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:31:55,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:31:55,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:31:55,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:31:55,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:31:55,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:31:55,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:31:55,413 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74209841f9356d49f7572acf5bfcaf3e4678665a116185553a2345eed5aa500b [2024-10-11 12:31:55,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:31:55,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:31:55,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:31:55,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:31:55,778 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:31:55,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i [2024-10-11 12:31:57,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:31:57,969 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:31:57,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i [2024-10-11 12:31:57,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/336da21ce/57e2977a035e4c3a88b318890757978e/FLAG4a22529c9 [2024-10-11 12:31:58,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/336da21ce/57e2977a035e4c3a88b318890757978e [2024-10-11 12:31:58,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:31:58,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:31:58,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:31:58,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:31:58,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:31:58,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428959e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58, skipping insertion in model container [2024-10-11 12:31:58,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:31:58,246 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i[915,928] [2024-10-11 12:31:58,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:31:58,324 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:31:58,339 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i[915,928] [2024-10-11 12:31:58,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:31:58,402 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:31:58,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58 WrapperNode [2024-10-11 12:31:58,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:31:58,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:31:58,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:31:58,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:31:58,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,463 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-11 12:31:58,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:31:58,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:31:58,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:31:58,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:31:58,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,507 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 12:31:58,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:31:58,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:31:58,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:31:58,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:31:58,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (1/1) ... [2024-10-11 12:31:58,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:31:58,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:31:58,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:31:58,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:31:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:31:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:31:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:31:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:31:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:31:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:31:58,698 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:31:58,700 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:31:58,951 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 12:31:58,951 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:31:58,988 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:31:58,989 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:31:58,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:58 BoogieIcfgContainer [2024-10-11 12:31:58,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:31:58,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:31:58,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:31:58,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:31:58,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:58" (1/3) ... [2024-10-11 12:31:58,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d74af8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:58, skipping insertion in model container [2024-10-11 12:31:58,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:58" (2/3) ... [2024-10-11 12:31:58,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d74af8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:58, skipping insertion in model container [2024-10-11 12:31:58,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:58" (3/3) ... [2024-10-11 12:31:58,998 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-10.i [2024-10-11 12:31:59,016 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:31:59,017 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:31:59,075 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:31:59,082 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;@ff8575d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:31:59,083 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:31:59,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 12:31:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 12:31:59,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:31:59,098 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:31:59,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:31:59,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:31:59,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1432935190, now seen corresponding path program 1 times [2024-10-11 12:31:59,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:31:59,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022326750] [2024-10-11 12:31:59,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:31:59,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:31:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:31:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:31:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:31:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:31:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:31:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:31:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:31:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:31:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:31:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:31:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:31:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:31:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:31:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:31:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:31:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:31:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:31:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-11 12:31:59,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:31:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022326750] [2024-10-11 12:31:59,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022326750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:31:59,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:31:59,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:31:59,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609242237] [2024-10-11 12:31:59,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:31:59,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:31:59,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:31:59,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:31:59,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:31:59,520 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 12:31:59,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:31:59,555 INFO L93 Difference]: Finished difference Result 89 states and 153 transitions. [2024-10-11 12:31:59,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:31:59,559 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2024-10-11 12:31:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:31:59,566 INFO L225 Difference]: With dead ends: 89 [2024-10-11 12:31:59,567 INFO L226 Difference]: Without dead ends: 44 [2024-10-11 12:31:59,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:31:59,574 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:31:59,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:31:59,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-11 12:31:59,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-11 12:31:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 12:31:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2024-10-11 12:31:59,620 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 104 [2024-10-11 12:31:59,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:31:59,621 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2024-10-11 12:31:59,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 12:31:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-10-11 12:31:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 12:31:59,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:31:59,628 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:31:59,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:31:59,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:31:59,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:31:59,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1679398756, now seen corresponding path program 1 times [2024-10-11 12:31:59,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:31:59,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642267384] [2024-10-11 12:31:59,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:31:59,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:31:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:32:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:32:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:32:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:32:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:32:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:32:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:32:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:32:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:32:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:32:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:32:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:32:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:32:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:32:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:32:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:32:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:32:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-11 12:32:00,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:32:00,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642267384] [2024-10-11 12:32:00,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642267384] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:32:00,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:32:00,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:32:00,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058466439] [2024-10-11 12:32:00,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:32:00,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:32:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:32:00,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:32:00,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:32:00,329 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 12:32:00,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:32:00,383 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2024-10-11 12:32:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:32:00,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 104 [2024-10-11 12:32:00,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:32:00,387 INFO L225 Difference]: With dead ends: 87 [2024-10-11 12:32:00,388 INFO L226 Difference]: Without dead ends: 44 [2024-10-11 12:32:00,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:32:00,391 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:32:00,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:32:00,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-11 12:32:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-11 12:32:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 12:32:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-10-11 12:32:00,407 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 104 [2024-10-11 12:32:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:32:00,412 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-10-11 12:32:00,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 12:32:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-10-11 12:32:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 12:32:00,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:32:00,415 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:32:00,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:32:00,415 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:32:00,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:32:00,416 INFO L85 PathProgramCache]: Analyzing trace with hash 521545361, now seen corresponding path program 1 times [2024-10-11 12:32:00,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:32:00,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204521179] [2024-10-11 12:32:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:32:00,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:32:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 12:32:00,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139505455] [2024-10-11 12:32:00,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:32:00,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:32:00,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:32:00,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:32:00,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 12:32:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:32:00,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 12:32:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:32:00,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 12:32:00,848 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 12:32:00,849 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 12:32:00,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 12:32:01,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:32:01,061 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 12:32:01,171 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 12:32:01,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:01 BoogieIcfgContainer [2024-10-11 12:32:01,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 12:32:01,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 12:32:01,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 12:32:01,179 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 12:32:01,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:58" (3/4) ... [2024-10-11 12:32:01,182 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 12:32:01,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 12:32:01,187 INFO L158 Benchmark]: Toolchain (without parser) took 3172.43ms. Allocated memory is still 211.8MB. Free memory was 182.1MB in the beginning and 126.8MB in the end (delta: 55.3MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2024-10-11 12:32:01,187 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 81.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:32:01,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.97ms. Allocated memory is still 211.8MB. Free memory was 182.1MB in the beginning and 168.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 12:32:01,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.47ms. Allocated memory is still 211.8MB. Free memory was 168.5MB in the beginning and 165.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 12:32:01,192 INFO L158 Benchmark]: Boogie Preprocessor took 58.65ms. Allocated memory is still 211.8MB. Free memory was 165.3MB in the beginning and 162.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:32:01,192 INFO L158 Benchmark]: RCFGBuilder took 465.27ms. Allocated memory is still 211.8MB. Free memory was 162.2MB in the beginning and 142.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 12:32:01,192 INFO L158 Benchmark]: TraceAbstraction took 2186.70ms. Allocated memory is still 211.8MB. Free memory was 142.3MB in the beginning and 126.8MB in the end (delta: 15.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-10-11 12:32:01,192 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 211.8MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:32:01,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 81.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.97ms. Allocated memory is still 211.8MB. Free memory was 182.1MB in the beginning and 168.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.47ms. Allocated memory is still 211.8MB. Free memory was 168.5MB in the beginning and 165.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.65ms. Allocated memory is still 211.8MB. Free memory was 165.3MB in the beginning and 162.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.27ms. Allocated memory is still 211.8MB. Free memory was 162.2MB in the beginning and 142.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2186.70ms. Allocated memory is still 211.8MB. Free memory was 142.3MB in the beginning and 126.8MB in the end (delta: 15.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 211.8MB. Free memory is still 126.8MB. 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 someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] double var_1_3 = 9.15; [L25] double var_1_6 = 1000000.875; [L26] double var_1_7 = 49.25; [L27] double var_1_8 = 1000000000.8; [L28] double var_1_9 = 7.85; [L29] double var_1_10 = 15.5; [L30] double var_1_11 = 49.875; [L31] unsigned char var_1_12 = 4; [L32] unsigned char var_1_13 = 0; [L33] unsigned short int var_1_14 = 42290; [L34] unsigned short int var_1_15 = 2; [L35] unsigned char var_1_16 = 32; [L36] double var_1_17 = 64.4; [L37] signed long int var_1_18 = 0; [L38] signed char var_1_19 = -1; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_ulong() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L70] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L70] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L71] var_1_6 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L72] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L73] var_1_7 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L74] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L75] var_1_8 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L76] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L77] var_1_9 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L78] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L79] var_1_10 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L80] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L82] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L83] var_1_13 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L84] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L85] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L85] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L86] var_1_14 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L87] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L88] CALL assume_abort_if_not(var_1_14 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L88] RET assume_abort_if_not(var_1_14 <= 65535) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L89] var_1_15 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L92] CALL assume_abort_if_not(var_1_15 != 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L92] RET assume_abort_if_not(var_1_15 != 32767) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L93] var_1_16 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L95] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L95] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L108] RET updateVariables() [L109] CALL step() [L42] var_1_17 = (var_1_8 + var_1_9) [L43] var_1_18 = var_1_15 [L44] var_1_19 = 8 [L45] unsigned long int stepLocal_1 = var_1_2; VAL [isInitial=1, stepLocal_1=0, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_18=1, var_1_19=8, var_1_1=5, var_1_2=0, var_1_3=183/20] [L46] COND FALSE !(\read(var_1_13)) [L53] var_1_12 = var_1_16 VAL [isInitial=1, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_18=1, var_1_19=8, var_1_1=5, var_1_2=0, var_1_3=183/20] [L55] var_1_1 = var_1_12 [L56] unsigned char stepLocal_0 = var_1_12; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_18=1, var_1_19=8, var_1_1=0, var_1_2=0, var_1_3=183/20] [L57] COND FALSE !(stepLocal_0 < var_1_1) VAL [isInitial=1, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_18=1, var_1_19=8, var_1_1=0, var_1_2=0, var_1_3=183/20] [L60] COND TRUE (- var_1_17) == (var_1_6 - var_1_7) [L61] var_1_3 = (var_1_8 + (var_1_9 - ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) VAL [isInitial=1, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_18=1, var_1_19=8, var_1_1=0, var_1_2=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((var_1_1 == ((unsigned long int) var_1_12)) && ((var_1_12 < var_1_1) ? (var_1_3 == ((double) -0.5)) : (((- var_1_17) == (var_1_6 - var_1_7)) ? (var_1_3 == ((double) (var_1_8 + (var_1_9 - ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))))) : (var_1_3 == ((double) 50.125))))) && (var_1_13 ? (((var_1_18 / (var_1_14 - var_1_15)) <= var_1_2) ? (var_1_12 == ((unsigned char) var_1_16)) : (var_1_12 == ((unsigned char) 16))) : (var_1_12 == ((unsigned char) var_1_16)))) && (var_1_17 == ((double) (var_1_8 + var_1_9)))) && (var_1_18 == ((signed long int) var_1_15))) && (var_1_19 == ((signed char) 8)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=0, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_18=1, var_1_19=8, var_1_1=0, var_1_2=0] [L19] reach_error() VAL [isInitial=1, var_1_12=0, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=0, var_1_18=1, var_1_19=8, var_1_1=0, var_1_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 174 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 120 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1088/1088 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 [2024-10-11 12:32:01,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 74209841f9356d49f7572acf5bfcaf3e4678665a116185553a2345eed5aa500b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:32:03,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:32:03,569 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 12:32:03,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:32:03,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:32:03,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:32:03,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:32:03,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:32:03,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:32:03,600 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:32:03,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:32:03,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:32:03,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:32:03,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:32:03,602 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:32:03,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:32:03,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:32:03,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:32:03,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:32:03,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:32:03,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:32:03,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:32:03,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:32:03,606 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 12:32:03,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 12:32:03,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:32:03,607 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 12:32:03,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:32:03,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:32:03,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:32:03,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:32:03,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:32:03,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:32:03,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:32:03,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:32:03,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:32:03,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:32:03,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:32:03,611 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 12:32:03,611 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 12:32:03,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:32:03,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:32:03,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:32:03,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:32:03,613 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 12:32:03,613 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74209841f9356d49f7572acf5bfcaf3e4678665a116185553a2345eed5aa500b [2024-10-11 12:32:03,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:32:03,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:32:03,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:32:03,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:32:03,985 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:32:03,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i [2024-10-11 12:32:05,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:32:05,997 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:32:05,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i [2024-10-11 12:32:06,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b2d5e18eb/11a3d000681c4c4eb398c179adf99e2d/FLAG82d1c198c [2024-10-11 12:32:06,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b2d5e18eb/11a3d000681c4c4eb398c179adf99e2d [2024-10-11 12:32:06,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:32:06,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:32:06,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:32:06,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:32:06,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:32:06,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2a9acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06, skipping insertion in model container [2024-10-11 12:32:06,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:32:06,293 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i[915,928] [2024-10-11 12:32:06,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:32:06,374 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:32:06,389 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-10.i[915,928] [2024-10-11 12:32:06,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:32:06,423 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:32:06,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06 WrapperNode [2024-10-11 12:32:06,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:32:06,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:32:06,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:32:06,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:32:06,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,474 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-11 12:32:06,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:32:06,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:32:06,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:32:06,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:32:06,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,511 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 12:32:06,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:32:06,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:32:06,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:32:06,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:32:06,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (1/1) ... [2024-10-11 12:32:06,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:32:06,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:32:06,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:32:06,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:32:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:32:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 12:32:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:32:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:32:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:32:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:32:06,736 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:32:06,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:32:11,335 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 12:32:11,335 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:32:11,368 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:32:11,369 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:32:11,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:11 BoogieIcfgContainer [2024-10-11 12:32:11,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:32:11,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:32:11,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:32:11,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:32:11,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:06" (1/3) ... [2024-10-11 12:32:11,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32412487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:11, skipping insertion in model container [2024-10-11 12:32:11,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:06" (2/3) ... [2024-10-11 12:32:11,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32412487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:11, skipping insertion in model container [2024-10-11 12:32:11,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:11" (3/3) ... [2024-10-11 12:32:11,376 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-10.i [2024-10-11 12:32:11,388 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:32:11,389 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:32:11,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:32:11,477 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;@589ae776, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:32:11,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:32:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 12:32:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 12:32:11,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:32:11,499 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:32:11,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:32:11,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:32:11,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1432935190, now seen corresponding path program 1 times [2024-10-11 12:32:11,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:32:11,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71129551] [2024-10-11 12:32:11,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:32:11,520 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 [2024-10-11 12:32:11,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:32:11,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 12:32:11,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 12:32:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:12,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 12:32:12,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:32:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-10-11 12:32:12,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 12:32:12,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 12:32:12,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71129551] [2024-10-11 12:32:12,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71129551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:32:12,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:32:12,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:32:12,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978634566] [2024-10-11 12:32:12,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:32:12,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:32:12,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 12:32:12,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:32:12,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:32:12,122 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 12:32:16,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 12:32:16,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:32:16,220 INFO L93 Difference]: Finished difference Result 89 states and 153 transitions. [2024-10-11 12:32:16,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:32:16,268 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2024-10-11 12:32:16,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:32:16,275 INFO L225 Difference]: With dead ends: 89 [2024-10-11 12:32:16,276 INFO L226 Difference]: Without dead ends: 44 [2024-10-11 12:32:16,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:32:16,282 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:32:16,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 12:32:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-11 12:32:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-11 12:32:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 12:32:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2024-10-11 12:32:16,322 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 104 [2024-10-11 12:32:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:32:16,323 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2024-10-11 12:32:16,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 12:32:16,323 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-10-11 12:32:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 12:32:16,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:32:16,326 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:32:16,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 12:32:16,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 12:32:16,531 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:32:16,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:32:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1679398756, now seen corresponding path program 1 times [2024-10-11 12:32:16,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:32:16,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616924063] [2024-10-11 12:32:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:32:16,534 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 [2024-10-11 12:32:16,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:32:16,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 12:32:16,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 12:32:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:17,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 12:32:17,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:32:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-11 12:32:17,436 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 12:32:17,436 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 12:32:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616924063] [2024-10-11 12:32:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616924063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:32:17,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:32:17,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:32:17,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353658419] [2024-10-11 12:32:17,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:32:17,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:32:17,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 12:32:17,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:32:17,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:32:17,443 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 12:32:20,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 12:32:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:32:20,485 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2024-10-11 12:32:20,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:32:20,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 104 [2024-10-11 12:32:20,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:32:20,522 INFO L225 Difference]: With dead ends: 87 [2024-10-11 12:32:20,522 INFO L226 Difference]: Without dead ends: 44 [2024-10-11 12:32:20,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:32:20,524 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:32:20,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 12:32:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-11 12:32:20,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-11 12:32:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 12:32:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-10-11 12:32:20,532 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 104 [2024-10-11 12:32:20,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:32:20,533 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-10-11 12:32:20,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 12:32:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-10-11 12:32:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 12:32:20,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:32:20,535 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:32:20,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Ended with exit code 0 [2024-10-11 12:32:20,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 12:32:20,737 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:32:20,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:32:20,737 INFO L85 PathProgramCache]: Analyzing trace with hash 521545361, now seen corresponding path program 1 times [2024-10-11 12:32:20,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:32:20,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897041559] [2024-10-11 12:32:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:32:20,738 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 [2024-10-11 12:32:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:32:20,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/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) [2024-10-11 12:32:20,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 12:32:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:32:21,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 12:32:21,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:32:56,666 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 12:33:09,587 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 12:33:17,208 WARN L286 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 12:33:24,810 WARN L286 SmtUtils]: Spent 7.60s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 12:33:32,892 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)