./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:55:46,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:55:46,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:55:46,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:55:46,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:55:46,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:55:46,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:55:46,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:55:46,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:55:46,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:55:46,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:55:46,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:55:46,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:55:46,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:55:46,642 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:55:46,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:55:46,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:55:46,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:55:46,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:55:46,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:55:46,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:55:46,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:55:46,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:55:46,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:55:46,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:55:46,647 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:55:46,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:55:46,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:55:46,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:55:46,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:55:46,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:55:46,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:55:46,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:55:46,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:55:46,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:55:46,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:55:46,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:55:46,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:55:46,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:55:46,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:55:46,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:55:46,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:55:46,650 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2024-11-09 00:55:46,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:55:46,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:55:46,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:55:46,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:55:46,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:55:46,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-09 00:55:48,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:55:48,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:55:48,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-09 00:55:48,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce7cf1493/33f10d6f8e764045adc26f7157342031/FLAG59431baaf [2024-11-09 00:55:48,903 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce7cf1493/33f10d6f8e764045adc26f7157342031 [2024-11-09 00:55:48,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:55:48,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:55:48,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:48,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:55:48,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:55:48,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:48" (1/1) ... [2024-11-09 00:55:48,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f63b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:48, skipping insertion in model container [2024-11-09 00:55:48,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:48" (1/1) ... [2024-11-09 00:55:48,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:55:49,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-09 00:55:49,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:49,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:55:49,135 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-09 00:55:49,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:49,184 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:55:49,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49 WrapperNode [2024-11-09 00:55:49,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:49,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:49,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:55:49,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:55:49,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,241 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-09 00:55:49,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:49,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:55:49,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:55:49,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:55:49,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,277 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:55:49,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:55:49,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:55:49,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:55:49,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:55:49,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (1/1) ... [2024-11-09 00:55:49,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:55:49,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:55:49,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:55:49,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:55:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:55:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:55:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:55:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:55:49,430 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:55:49,432 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:55:49,610 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-09 00:55:49,610 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:55:49,622 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:55:49,622 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:55:49,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:49 BoogieIcfgContainer [2024-11-09 00:55:49,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:55:49,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:55:49,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:55:49,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:55:49,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:55:48" (1/3) ... [2024-11-09 00:55:49,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b38aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:49, skipping insertion in model container [2024-11-09 00:55:49,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:49" (2/3) ... [2024-11-09 00:55:49,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b38aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:49, skipping insertion in model container [2024-11-09 00:55:49,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:49" (3/3) ... [2024-11-09 00:55:49,631 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2024-11-09 00:55:49,645 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:55:49,645 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:55:49,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:55:49,710 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;@5a6281dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:55:49,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:55:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 00:55:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:55:49,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:55:49,721 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:55:49,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:55:49,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:49,726 INFO L85 PathProgramCache]: Analyzing trace with hash -615160373, now seen corresponding path program 1 times [2024-11-09 00:55:49,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:55:49,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015802427] [2024-11-09 00:55:49,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:55:49,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:55:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:55:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:55:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:55:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:55:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:55:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:55:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:55:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:55:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 00:55:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:55:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 00:55:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:55:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 00:55:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:55:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:55:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 00:55:49,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:55:49,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015802427] [2024-11-09 00:55:49,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015802427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:55:49,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:55:49,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:55:49,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423484193] [2024-11-09 00:55:49,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:55:49,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:55:49,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:55:49,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:55:49,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:55:49,985 INFO L87 Difference]: Start difference. First operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 00:55:50,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:55:50,007 INFO L93 Difference]: Finished difference Result 114 states and 190 transitions. [2024-11-09 00:55:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:55:50,010 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2024-11-09 00:55:50,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:55:50,015 INFO L225 Difference]: With dead ends: 114 [2024-11-09 00:55:50,015 INFO L226 Difference]: Without dead ends: 56 [2024-11-09 00:55:50,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:55:50,020 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:55:50,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:55:50,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-09 00:55:50,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-09 00:55:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 00:55:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2024-11-09 00:55:50,072 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 103 [2024-11-09 00:55:50,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:55:50,072 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2024-11-09 00:55:50,072 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 00:55:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2024-11-09 00:55:50,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:55:50,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:55:50,075 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:55:50,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:55:50,076 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:55:50,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:50,076 INFO L85 PathProgramCache]: Analyzing trace with hash 929365903, now seen corresponding path program 1 times [2024-11-09 00:55:50,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:55:50,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785093809] [2024-11-09 00:55:50,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:55:50,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:55:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:55:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:55:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:55:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:55:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:55:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:55:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:55:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:55:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 00:55:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:55:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 00:55:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:55:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 00:55:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:55:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:55:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 00:55:50,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:55:50,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785093809] [2024-11-09 00:55:50,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785093809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:55:50,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:55:50,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:55:50,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474365121] [2024-11-09 00:55:50,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:55:50,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:55:50,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:55:50,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:55:50,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:55:50,508 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 00:55:50,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:55:50,558 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2024-11-09 00:55:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:55:50,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2024-11-09 00:55:50,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:55:50,560 INFO L225 Difference]: With dead ends: 131 [2024-11-09 00:55:50,560 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 00:55:50,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:55:50,562 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 27 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:55:50,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 405 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:55:50,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 00:55:50,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 64. [2024-11-09 00:55:50,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 00:55:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-09 00:55:50,569 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 103 [2024-11-09 00:55:50,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:55:50,570 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-09 00:55:50,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 00:55:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-09 00:55:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:55:50,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:55:50,572 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:55:50,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:55:50,572 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:55:50,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:50,573 INFO L85 PathProgramCache]: Analyzing trace with hash -138577346, now seen corresponding path program 1 times [2024-11-09 00:55:50,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:55:50,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168243386] [2024-11-09 00:55:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:55:50,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:55:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:55:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:55:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:55:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:55:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:55:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:55:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:55:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:55:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 00:55:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:55:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 00:55:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:55:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 00:55:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:55:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:55:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 00:55:50,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:55:50,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168243386] [2024-11-09 00:55:50,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168243386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:55:50,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:55:50,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 00:55:50,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503229634] [2024-11-09 00:55:50,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:55:50,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:55:50,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:55:50,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:55:50,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:55:50,860 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 00:55:51,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:55:51,017 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2024-11-09 00:55:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 00:55:51,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-09 00:55:51,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:55:51,022 INFO L225 Difference]: With dead ends: 141 [2024-11-09 00:55:51,024 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 00:55:51,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:55:51,026 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 48 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:55:51,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 429 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:55:51,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 00:55:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 67. [2024-11-09 00:55:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 49 states have internal predecessors, (63), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 00:55:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2024-11-09 00:55:51,041 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 104 [2024-11-09 00:55:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:55:51,042 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2024-11-09 00:55:51,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 00:55:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-11-09 00:55:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 00:55:51,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:55:51,043 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:55:51,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:55:51,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:55:51,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1110287530, now seen corresponding path program 1 times [2024-11-09 00:55:51,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:55:51,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065921485] [2024-11-09 00:55:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:55:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:51,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:55:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:51,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 00:55:51,157 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 00:55:51,158 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 00:55:51,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 00:55:51,162 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 00:55:51,243 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 00:55:51,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:55:51 BoogieIcfgContainer [2024-11-09 00:55:51,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 00:55:51,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:55:51,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:55:51,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:55:51,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:49" (3/4) ... [2024-11-09 00:55:51,254 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:55:51,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:55:51,256 INFO L158 Benchmark]: Toolchain (without parser) took 2349.75ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 107.1MB in the beginning and 153.1MB in the end (delta: -46.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-09 00:55:51,257 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 76.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:51,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.09ms. Allocated memory is still 178.3MB. Free memory was 106.9MB in the beginning and 92.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:55:51,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.30ms. Allocated memory is still 178.3MB. Free memory was 92.9MB in the beginning and 147.6MB in the end (delta: -54.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-09 00:55:51,261 INFO L158 Benchmark]: Boogie Preprocessor took 51.89ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 148.0MB in the end (delta: -388.5kB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-09 00:55:51,261 INFO L158 Benchmark]: RCFGBuilder took 328.45ms. Allocated memory is still 178.3MB. Free memory was 148.0MB in the beginning and 131.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:55:51,262 INFO L158 Benchmark]: TraceAbstraction took 1624.40ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 131.2MB in the beginning and 153.1MB in the end (delta: -21.9MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-09 00:55:51,262 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 234.9MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:51,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 76.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.09ms. Allocated memory is still 178.3MB. Free memory was 106.9MB in the beginning and 92.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.30ms. Allocated memory is still 178.3MB. Free memory was 92.9MB in the beginning and 147.6MB in the end (delta: -54.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.89ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 148.0MB in the end (delta: -388.5kB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * RCFGBuilder took 328.45ms. Allocated memory is still 178.3MB. Free memory was 148.0MB in the beginning and 131.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1624.40ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 131.2MB in the beginning and 153.1MB in the end (delta: -21.9MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 234.9MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryArithmeticFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_6 = 1; [L25] signed short int var_1_7 = 32; [L26] signed short int var_1_8 = 20113; [L27] signed short int var_1_9 = 100; [L28] signed char var_1_10 = 100; [L29] signed char var_1_11 = -1; [L30] signed char var_1_12 = 16; [L31] float var_1_13 = 1.2; [L32] float var_1_14 = 3.6; [L33] float var_1_15 = 5.5; [L34] signed char last_1_var_1_10 = 100; VAL [isInitial=0, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L66] var_1_6 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L67] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L68] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L68] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L69] var_1_7 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L70] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L71] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L71] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L73] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L74] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L78] var_1_11 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L79] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L80] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L82] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L83] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L84] var_1_14 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L85] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L86] var_1_15 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L87] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L101] RET updateVariables() [L102] CALL step() [L38] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L49] COND TRUE var_1_1 == var_1_7 [L50] var_1_10 = (var_1_11 + (var_1_12 + -25)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L56] COND TRUE \read(var_1_6) [L57] var_1_13 = ((((16.3f) < ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f))))) ? (16.3f) : ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f)))))) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L93] EXPR (var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L93-L94] return ((var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1))) && (var_1_6 ? (var_1_13 == ((float) ((((16.3f) < ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f))))) ? (16.3f) : ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f)))))))) : (var_1_13 == ((float) (var_1_14 - var_1_15)))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 915 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 653 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 262 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 27 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 307 ConstructedInterpolants, 0 QuantifiedInterpolants, 363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1440/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:55:51,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:55:53,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:55:53,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 00:55:53,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:55:53,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:55:53,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:55:53,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:55:53,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:55:53,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:55:53,339 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:55:53,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:55:53,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:55:53,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:55:53,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:55:53,341 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:55:53,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:55:53,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:55:53,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:55:53,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:55:53,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:55:53,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:55:53,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:55:53,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:55:53,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:55:53,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:55:53,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:55:53,344 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:55:53,344 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:55:53,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:55:53,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:55:53,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:55:53,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:55:53,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:55:53,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:55:53,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:55:53,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:55:53,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:55:53,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:55:53,346 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 00:55:53,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:53,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:55:53,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:55:53,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:55:53,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:55:53,348 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2024-11-09 00:55:53,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:55:53,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:55:53,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:55:53,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:55:53,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:55:53,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-09 00:55:55,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:55:55,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:55:55,228 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-09 00:55:55,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03033547/92bb6718add24d25b5b8311d08d5af4c/FLAG13105be67 [2024-11-09 00:55:55,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03033547/92bb6718add24d25b5b8311d08d5af4c [2024-11-09 00:55:55,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:55:55,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:55:55,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:55,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:55:55,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:55:55,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e78127c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55, skipping insertion in model container [2024-11-09 00:55:55,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:55:55,778 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-09 00:55:55,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:55,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:55:55,838 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-09 00:55:55,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:55,897 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:55:55,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55 WrapperNode [2024-11-09 00:55:55,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:55,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:55,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:55:55,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:55:55,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,945 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-09 00:55:55,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:55,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:55:55,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:55:55,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:55:55,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,978 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:55:55,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:55,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:56,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:55:56,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:55:56,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:55:56,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:55:56,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (1/1) ... [2024-11-09 00:55:56,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:55:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:55:56,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:55:56,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:55:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:55:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 00:55:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:55:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:55:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:55:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:55:56,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:55:56,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:55:56,518 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:55:56,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:55:56,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:55:56,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:55:56,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:56 BoogieIcfgContainer [2024-11-09 00:55:56,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:55:56,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:55:56,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:55:56,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:55:56,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:55:55" (1/3) ... [2024-11-09 00:55:56,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631280cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:56, skipping insertion in model container [2024-11-09 00:55:56,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:55" (2/3) ... [2024-11-09 00:55:56,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631280cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:56, skipping insertion in model container [2024-11-09 00:55:56,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:56" (3/3) ... [2024-11-09 00:55:56,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2024-11-09 00:55:56,557 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:55:56,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:55:56,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:55:56,634 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;@70be29f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:55:56,635 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:55:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 00:55:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 00:55:56,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:55:56,646 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:55:56,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:55:56,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:56,654 INFO L85 PathProgramCache]: Analyzing trace with hash -485837608, now seen corresponding path program 1 times [2024-11-09 00:55:56,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 00:55:56,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968943763] [2024-11-09 00:55:56,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:55:56,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:55:56,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 00:55:56,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 00:55:56,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 00:55:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:56,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:55:56,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-09 00:55:56,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 00:55:56,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 00:55:56,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968943763] [2024-11-09 00:55:56,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968943763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:55:56,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:55:56,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:55:56,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790277085] [2024-11-09 00:55:56,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:55:56,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:55:56,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 00:55:56,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:55:56,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:55:56,963 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 00:55:56,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:55:56,980 INFO L93 Difference]: Finished difference Result 92 states and 156 transitions. [2024-11-09 00:55:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:55:56,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2024-11-09 00:55:56,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:55:56,989 INFO L225 Difference]: With dead ends: 92 [2024-11-09 00:55:56,989 INFO L226 Difference]: Without dead ends: 45 [2024-11-09 00:55:56,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:55:56,996 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:55:56,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:55:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-09 00:55:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-09 00:55:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 00:55:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2024-11-09 00:55:57,035 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 101 [2024-11-09 00:55:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:55:57,036 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2024-11-09 00:55:57,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 00:55:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2024-11-09 00:55:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 00:55:57,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:55:57,040 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:55:57,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 00:55:57,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:55:57,248 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:55:57,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:57,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1862135708, now seen corresponding path program 1 times [2024-11-09 00:55:57,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 00:55:57,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52783070] [2024-11-09 00:55:57,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:55:57,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:55:57,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 00:55:57,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 00:55:57,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 00:55:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:57,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:55:57,455 INFO L278 TraceCheckSpWp]: Computing forward predicates...