./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_fillercode_fillercodestructure_filler-pr-ci_file-83.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 654542981f55ac0dfa4ff9a5a73c4558ad4f81f278b418004930bd889a962b4b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 12:20:50,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 12:20:50,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 12:20:50,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 12:20:50,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 12:20:50,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 12:20:50,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 12:20:50,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 12:20:50,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 12:20:50,626 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 12:20:50,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 12:20:50,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 12:20:50,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 12:20:50,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 12:20:50,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 12:20:50,628 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 12:20:50,628 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 12:20:50,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 12:20:50,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 12:20:50,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 12:20:50,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:20:50,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 12:20:50,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 12:20:50,628 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 12:20:50,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 12:20:50,629 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 12:20:50,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 12:20:50,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 12:20:50,630 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 12:20:50,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 12:20:50,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 12:20:50,630 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 654542981f55ac0dfa4ff9a5a73c4558ad4f81f278b418004930bd889a962b4b [2025-03-08 12:20:50,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 12:20:50,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 12:20:50,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 12:20:50,850 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 12:20:50,850 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 12:20:50,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i [2025-03-08 12:20:51,946 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e50b5170/22570f06c84b49d68e83e5969d360cdc/FLAG1a191d2d3 [2025-03-08 12:20:52,247 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 12:20:52,248 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i [2025-03-08 12:20:52,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e50b5170/22570f06c84b49d68e83e5969d360cdc/FLAG1a191d2d3 [2025-03-08 12:20:52,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e50b5170/22570f06c84b49d68e83e5969d360cdc [2025-03-08 12:20:52,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 12:20:52,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 12:20:52,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 12:20:52,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 12:20:52,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 12:20:52,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f081c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52, skipping insertion in model container [2025-03-08 12:20:52,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 12:20:52,646 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_fillercode_fillercodestructure_filler-pr-ci_file-83.i[919,932] [2025-03-08 12:20:52,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:20:52,727 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 12:20:52,736 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_fillercode_fillercodestructure_filler-pr-ci_file-83.i[919,932] [2025-03-08 12:20:52,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:20:52,782 INFO L204 MainTranslator]: Completed translation [2025-03-08 12:20:52,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52 WrapperNode [2025-03-08 12:20:52,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 12:20:52,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 12:20:52,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 12:20:52,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 12:20:52,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,826 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2025-03-08 12:20:52,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 12:20:52,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 12:20:52,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 12:20:52,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 12:20:52,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,862 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]. [2025-03-08 12:20:52,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 12:20:52,884 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 12:20:52,884 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 12:20:52,884 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 12:20:52,885 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (1/1) ... [2025-03-08 12:20:52,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:20:52,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:20:52,913 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) [2025-03-08 12:20:52,918 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 [2025-03-08 12:20:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 12:20:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 12:20:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 12:20:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 12:20:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 12:20:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 12:20:52,992 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 12:20:52,993 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 12:20:53,369 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L156: havoc property_#t~ite22#1;havoc property_#t~bitwise20#1;havoc property_#t~bitwise21#1;havoc property_#t~short23#1; [2025-03-08 12:20:53,396 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2025-03-08 12:20:53,397 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 12:20:53,420 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 12:20:53,420 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 12:20:53,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:20:53 BoogieIcfgContainer [2025-03-08 12:20:53,421 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 12:20:53,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 12:20:53,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 12:20:53,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 12:20:53,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:20:52" (1/3) ... [2025-03-08 12:20:53,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fe37bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:20:53, skipping insertion in model container [2025-03-08 12:20:53,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:20:52" (2/3) ... [2025-03-08 12:20:53,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fe37bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:20:53, skipping insertion in model container [2025-03-08 12:20:53,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:20:53" (3/3) ... [2025-03-08 12:20:53,428 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i [2025-03-08 12:20:53,441 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 12:20:53,444 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i that has 2 procedures, 101 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 12:20:53,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 12:20:53,503 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;@2e2b3d50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 12:20:53,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 12:20:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 77 states have (on average 1.5454545454545454) internal successors, (119), 78 states have internal predecessors, (119), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:20:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 12:20:53,516 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:20:53,516 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:20:53,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:20:53,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:20:53,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1596778544, now seen corresponding path program 1 times [2025-03-08 12:20:53,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:20:53,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828579990] [2025-03-08 12:20:53,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:20:53,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:20:53,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 12:20:53,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 12:20:53,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:20:53,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:20:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2025-03-08 12:20:53,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:20:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828579990] [2025-03-08 12:20:53,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828579990] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:20:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899526708] [2025-03-08 12:20:53,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:20:53,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:20:53,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:20:53,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:20:53,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 12:20:53,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 12:20:53,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 12:20:53,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:20:53,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:20:53,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 12:20:53,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:20:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2025-03-08 12:20:53,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:20:53,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899526708] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:20:53,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 12:20:53,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 12:20:53,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990249457] [2025-03-08 12:20:53,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:20:53,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 12:20:53,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:20:53,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 12:20:53,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:20:53,938 INFO L87 Difference]: Start difference. First operand has 101 states, 77 states have (on average 1.5454545454545454) internal successors, (119), 78 states have internal predecessors, (119), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 12:20:53,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:20:53,976 INFO L93 Difference]: Finished difference Result 195 states and 337 transitions. [2025-03-08 12:20:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 12:20:53,979 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 145 [2025-03-08 12:20:53,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:20:53,985 INFO L225 Difference]: With dead ends: 195 [2025-03-08 12:20:53,985 INFO L226 Difference]: Without dead ends: 97 [2025-03-08 12:20:53,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:20:53,993 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:20:53,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:20:54,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-03-08 12:20:54,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2025-03-08 12:20:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 74 states have (on average 1.5135135135135136) internal successors, (112), 74 states have internal predecessors, (112), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:20:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2025-03-08 12:20:54,036 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 145 [2025-03-08 12:20:54,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:20:54,037 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2025-03-08 12:20:54,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 12:20:54,037 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2025-03-08 12:20:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 12:20:54,040 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:20:54,040 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:20:54,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 12:20:54,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 12:20:54,244 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:20:54,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:20:54,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1480550451, now seen corresponding path program 1 times [2025-03-08 12:20:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:20:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195175467] [2025-03-08 12:20:54,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:20:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:20:54,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 12:20:54,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 12:20:54,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:20:54,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:20:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2025-03-08 12:20:54,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:20:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195175467] [2025-03-08 12:20:54,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195175467] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:20:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762085789] [2025-03-08 12:20:54,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:20:54,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:20:54,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:20:54,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:20:54,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 12:20:55,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 12:20:55,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 12:20:55,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:20:55,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:20:55,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 12:20:55,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:20:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 368 proven. 42 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2025-03-08 12:20:55,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:20:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2025-03-08 12:20:55,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762085789] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:20:55,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 12:20:55,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-03-08 12:20:55,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562225529] [2025-03-08 12:20:55,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 12:20:55,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 12:20:55,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:20:55,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 12:20:55,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2025-03-08 12:20:55,570 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2025-03-08 12:20:55,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:20:55,874 INFO L93 Difference]: Finished difference Result 198 states and 312 transitions. [2025-03-08 12:20:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 12:20:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 145 [2025-03-08 12:20:55,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:20:55,877 INFO L225 Difference]: With dead ends: 198 [2025-03-08 12:20:55,877 INFO L226 Difference]: Without dead ends: 104 [2025-03-08 12:20:55,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2025-03-08 12:20:55,878 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 185 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 12:20:55,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 537 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 12:20:55,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-03-08 12:20:55,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2025-03-08 12:20:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:20:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 158 transitions. [2025-03-08 12:20:55,892 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 158 transitions. Word has length 145 [2025-03-08 12:20:55,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:20:55,892 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 158 transitions. [2025-03-08 12:20:55,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2025-03-08 12:20:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2025-03-08 12:20:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 12:20:55,896 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:20:55,896 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:20:55,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 12:20:56,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 12:20:56,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:20:56,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:20:56,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1187147444, now seen corresponding path program 1 times [2025-03-08 12:20:56,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:20:56,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362511342] [2025-03-08 12:20:56,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:20:56,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:20:56,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 12:20:56,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 12:20:56,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:20:56,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:20:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2025-03-08 12:20:56,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:20:56,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362511342] [2025-03-08 12:20:56,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362511342] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:20:56,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835204020] [2025-03-08 12:20:56,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:20:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:20:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:20:56,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:20:56,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 12:20:56,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 12:20:56,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 12:20:56,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:20:56,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:20:56,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-08 12:20:56,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:20:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 563 proven. 111 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-03-08 12:20:57,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:20:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 81 proven. 90 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2025-03-08 12:20:58,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835204020] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:20:58,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 12:20:58,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 13] total 31 [2025-03-08 12:20:58,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712827862] [2025-03-08 12:20:58,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 12:20:58,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-03-08 12:20:58,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:20:58,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-03-08 12:20:58,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=749, Unknown=0, NotChecked=0, Total=930 [2025-03-08 12:20:58,459 INFO L87 Difference]: Start difference. First operand 102 states and 158 transitions. Second operand has 31 states, 31 states have (on average 3.5806451612903225) internal successors, (111), 31 states have internal predecessors, (111), 10 states have call successors, (49), 5 states have call predecessors, (49), 11 states have return successors, (50), 10 states have call predecessors, (50), 10 states have call successors, (50) [2025-03-08 12:21:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:21:00,680 INFO L93 Difference]: Finished difference Result 390 states and 566 transitions. [2025-03-08 12:21:00,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-03-08 12:21:00,681 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.5806451612903225) internal successors, (111), 31 states have internal predecessors, (111), 10 states have call successors, (49), 5 states have call predecessors, (49), 11 states have return successors, (50), 10 states have call predecessors, (50), 10 states have call successors, (50) Word has length 145 [2025-03-08 12:21:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:21:00,684 INFO L225 Difference]: With dead ends: 390 [2025-03-08 12:21:00,685 INFO L226 Difference]: Without dead ends: 291 [2025-03-08 12:21:00,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2122 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1601, Invalid=5709, Unknown=0, NotChecked=0, Total=7310 [2025-03-08 12:21:00,690 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 1270 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 12:21:00,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 596 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 12:21:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-03-08 12:21:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 139. [2025-03-08 12:21:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 111 states have (on average 1.4774774774774775) internal successors, (164), 111 states have internal predecessors, (164), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:21:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 206 transitions. [2025-03-08 12:21:00,712 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 206 transitions. Word has length 145 [2025-03-08 12:21:00,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:21:00,713 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 206 transitions. [2025-03-08 12:21:00,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.5806451612903225) internal successors, (111), 31 states have internal predecessors, (111), 10 states have call successors, (49), 5 states have call predecessors, (49), 11 states have return successors, (50), 10 states have call predecessors, (50), 10 states have call successors, (50) [2025-03-08 12:21:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 206 transitions. [2025-03-08 12:21:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 12:21:00,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:21:00,714 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:21:00,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 12:21:00,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:21:00,915 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:21:00,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:21:00,915 INFO L85 PathProgramCache]: Analyzing trace with hash 2084890669, now seen corresponding path program 1 times [2025-03-08 12:21:00,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:21:00,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388065330] [2025-03-08 12:21:00,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:00,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:21:00,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 12:21:00,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 12:21:00,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:00,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 42 proven. 72 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2025-03-08 12:21:01,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:21:01,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388065330] [2025-03-08 12:21:01,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388065330] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:21:01,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139126867] [2025-03-08 12:21:01,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:01,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:21:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:21:01,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:21:01,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 12:21:01,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 12:21:01,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 12:21:01,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:01,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:01,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-08 12:21:01,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:21:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 476 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2025-03-08 12:21:01,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:21:01,834 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 42 proven. 75 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2025-03-08 12:21:01,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139126867] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:21:01,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 12:21:01,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 18 [2025-03-08 12:21:01,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391366680] [2025-03-08 12:21:01,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 12:21:01,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-08 12:21:01,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:21:01,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-08 12:21:01,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-08 12:21:01,835 INFO L87 Difference]: Start difference. First operand 139 states and 206 transitions. Second operand has 18 states, 18 states have (on average 5.722222222222222) internal successors, (103), 18 states have internal predecessors, (103), 6 states have call successors, (49), 3 states have call predecessors, (49), 7 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) [2025-03-08 12:21:02,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:21:02,111 INFO L93 Difference]: Finished difference Result 287 states and 420 transitions. [2025-03-08 12:21:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-08 12:21:02,111 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.722222222222222) internal successors, (103), 18 states have internal predecessors, (103), 6 states have call successors, (49), 3 states have call predecessors, (49), 7 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) Word has length 146 [2025-03-08 12:21:02,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:21:02,113 INFO L225 Difference]: With dead ends: 287 [2025-03-08 12:21:02,113 INFO L226 Difference]: Without dead ends: 151 [2025-03-08 12:21:02,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2025-03-08 12:21:02,114 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 184 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 12:21:02,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 412 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 12:21:02,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-03-08 12:21:02,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 142. [2025-03-08 12:21:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 113 states have (on average 1.4601769911504425) internal successors, (165), 113 states have internal predecessors, (165), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:21:02,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 207 transitions. [2025-03-08 12:21:02,124 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 207 transitions. Word has length 146 [2025-03-08 12:21:02,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:21:02,124 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 207 transitions. [2025-03-08 12:21:02,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.722222222222222) internal successors, (103), 18 states have internal predecessors, (103), 6 states have call successors, (49), 3 states have call predecessors, (49), 7 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) [2025-03-08 12:21:02,125 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 207 transitions. [2025-03-08 12:21:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 12:21:02,126 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:21:02,126 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:21:02,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 12:21:02,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:21:02,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:21:02,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:21:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1791487662, now seen corresponding path program 1 times [2025-03-08 12:21:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:21:02,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967800974] [2025-03-08 12:21:02,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:02,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:21:02,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 12:21:02,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 12:21:02,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:02,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 99 proven. 105 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2025-03-08 12:21:02,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:21:02,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967800974] [2025-03-08 12:21:02,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967800974] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:21:02,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696017646] [2025-03-08 12:21:02,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:02,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:21:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:21:02,776 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:21:02,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 12:21:02,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 12:21:02,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 12:21:02,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:02,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:02,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-08 12:21:02,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:21:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 555 proven. 132 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-03-08 12:21:03,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:21:04,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696017646] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:21:04,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:21:04,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18] total 22 [2025-03-08 12:21:04,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638097658] [2025-03-08 12:21:04,296 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:21:04,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-08 12:21:04,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:21:04,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-08 12:21:04,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=783, Unknown=0, NotChecked=0, Total=992 [2025-03-08 12:21:04,297 INFO L87 Difference]: Start difference. First operand 142 states and 207 transitions. Second operand has 22 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 22 states have internal predecessors, (87), 9 states have call successors, (35), 6 states have call predecessors, (35), 10 states have return successors, (35), 9 states have call predecessors, (35), 9 states have call successors, (35) [2025-03-08 12:21:05,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:21:05,097 INFO L93 Difference]: Finished difference Result 317 states and 452 transitions. [2025-03-08 12:21:05,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-08 12:21:05,098 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 22 states have internal predecessors, (87), 9 states have call successors, (35), 6 states have call predecessors, (35), 10 states have return successors, (35), 9 states have call predecessors, (35), 9 states have call successors, (35) Word has length 146 [2025-03-08 12:21:05,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:21:05,099 INFO L225 Difference]: With dead ends: 317 [2025-03-08 12:21:05,099 INFO L226 Difference]: Without dead ends: 178 [2025-03-08 12:21:05,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=936, Invalid=2970, Unknown=0, NotChecked=0, Total=3906 [2025-03-08 12:21:05,101 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 311 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 12:21:05,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 356 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 12:21:05,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-03-08 12:21:05,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 142. [2025-03-08 12:21:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 113 states have (on average 1.4336283185840708) internal successors, (162), 113 states have internal predecessors, (162), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:21:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 204 transitions. [2025-03-08 12:21:05,110 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 204 transitions. Word has length 146 [2025-03-08 12:21:05,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:21:05,111 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 204 transitions. [2025-03-08 12:21:05,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 22 states have internal predecessors, (87), 9 states have call successors, (35), 6 states have call predecessors, (35), 10 states have return successors, (35), 9 states have call predecessors, (35), 9 states have call successors, (35) [2025-03-08 12:21:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 204 transitions. [2025-03-08 12:21:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 12:21:05,112 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:21:05,112 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:21:05,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 12:21:05,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:21:05,313 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:21:05,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:21:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1575622443, now seen corresponding path program 1 times [2025-03-08 12:21:05,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:21:05,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542994601] [2025-03-08 12:21:05,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:05,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:21:05,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 12:21:05,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 12:21:05,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:05,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 12:21:05,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1390991543] [2025-03-08 12:21:05,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:05,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:21:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:21:05,363 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:21:05,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 12:21:05,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 12:21:05,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 12:21:05,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:05,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 12:21:05,553 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 12:21:05,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 12:21:05,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 12:21:05,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:05,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 12:21:05,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 12:21:05,687 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 12:21:05,687 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 12:21:05,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-08 12:21:05,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:21:05,891 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-08 12:21:05,963 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 12:21:05,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 12:21:05 BoogieIcfgContainer [2025-03-08 12:21:05,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 12:21:05,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 12:21:05,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 12:21:05,968 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 12:21:05,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:20:53" (3/4) ... [2025-03-08 12:21:05,971 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 12:21:05,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 12:21:05,972 INFO L158 Benchmark]: Toolchain (without parser) took 13448.23ms. Allocated memory was 167.8MB in the beginning and 385.9MB in the end (delta: 218.1MB). Free memory was 129.4MB in the beginning and 232.1MB in the end (delta: -102.7MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2025-03-08 12:21:05,972 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:21:05,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.05ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 113.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 12:21:05,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.77ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 107.2MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 12:21:05,973 INFO L158 Benchmark]: Boogie Preprocessor took 56.51ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 99.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 12:21:05,973 INFO L158 Benchmark]: IcfgBuilder took 536.38ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 60.6MB in the end (delta: 39.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 12:21:05,974 INFO L158 Benchmark]: TraceAbstraction took 12545.17ms. Allocated memory was 167.8MB in the beginning and 385.9MB in the end (delta: 218.1MB). Free memory was 59.7MB in the beginning and 232.2MB in the end (delta: -172.5MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2025-03-08 12:21:05,974 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 385.9MB. Free memory was 232.2MB in the beginning and 232.1MB in the end (delta: 120.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:21:05,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.05ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 113.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.77ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 107.2MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.51ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 99.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 536.38ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 60.6MB in the end (delta: 39.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 12545.17ms. Allocated memory was 167.8MB in the beginning and 385.9MB in the end (delta: 218.1MB). Free memory was 59.7MB in the beginning and 232.2MB in the end (delta: -172.5MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 385.9MB. Free memory was 232.2MB in the beginning and 232.1MB in the end (delta: 120.0kB). 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 100, overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of someBinaryFLOATComparisonOperation at line 142, overapproximation of someBinaryArithmeticFLOAToperation at line 98, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -25; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1230640054; [L25] signed long int var_1_6 = 1508873667; [L26] unsigned char var_1_7 = 64; [L27] unsigned char var_1_8 = 200; [L28] unsigned char var_1_9 = 16; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 8; [L31] float var_1_12 = 15.4; [L32] float var_1_16 = 10000000000000.375; [L33] float var_1_17 = 16.4; [L34] float var_1_18 = 8.5; [L35] float var_1_19 = 64.75; [L36] unsigned char var_1_20 = 16; [L37] signed char var_1_22 = 0; [L38] unsigned char var_1_23 = 16; [L39] unsigned char var_1_24 = 128; [L40] signed short int var_1_30 = -256; [L41] signed short int var_1_31 = 2; [L42] signed short int var_1_34 = -2; [L43] signed short int var_1_36 = -50; [L44] unsigned char var_1_37 = 4; [L45] unsigned char var_1_38 = 64; [L46] float var_1_40 = 0.8; [L47] signed short int var_1_44 = 1; [L48] signed long int var_1_45 = 4; [L49] float var_1_46 = 1000000000000.375; VAL [isInitial=0, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L160] isInitial = 1 [L161] FCALL initially() [L162] COND TRUE 1 [L163] FCALL updateLastVariables() [L164] CALL updateVariables() [L120] var_1_2 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L121] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L122] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L122] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L123] var_1_3 = __VERIFIER_nondet_long() [L124] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L124] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L125] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L125] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L126] var_1_6 = __VERIFIER_nondet_long() [L127] CALL assume_abort_if_not(var_1_6 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L127] RET assume_abort_if_not(var_1_6 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L128] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L128] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L129] var_1_8 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_8 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=16] [L130] RET assume_abort_if_not(var_1_8 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=16] [L131] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=16] [L131] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=16] [L132] var_1_9 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278] [L133] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278] [L134] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L134] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L135] var_1_10 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L136] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L137] CALL assume_abort_if_not(var_1_10 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L137] RET assume_abort_if_not(var_1_10 <= 32) VAL [isInitial=1, var_1_10=-256, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L138] var_1_11 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L139] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L140] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L140] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L141] var_1_17 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L142] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L143] var_1_18 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L144] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L145] var_1_20 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_20 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L146] RET assume_abort_if_not(var_1_20 >= 1) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L147] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L147] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L148] CALL assume_abort_if_not(var_1_20 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L148] RET assume_abort_if_not(var_1_20 != 127) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L149] var_1_38 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_38 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L150] RET assume_abort_if_not(var_1_38 >= 63) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L151] CALL assume_abort_if_not(var_1_38 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L151] RET assume_abort_if_not(var_1_38 <= 127) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=64, var_1_8=1278, var_1_9=256] [L164] RET updateVariables() [L165] CALL step() [L53] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L54] COND FALSE !(1 >= var_1_3) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L59] COND TRUE \read(var_1_2) [L60] var_1_45 = (((((var_1_10 + var_1_38)) < (var_1_10)) ? ((var_1_10 + var_1_38)) : (var_1_10))) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L62] var_1_16 = (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L63] COND FALSE !((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) [L70] var_1_23 = var_1_20 VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L72] COND FALSE !(((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) < var_1_17) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=32, var_1_22=0, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L77] COND TRUE \read(var_1_2) [L78] var_1_1 = ((var_1_3 - var_1_7) - var_1_7) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=0, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=8000000000003/8, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L82] var_1_30 = var_1_8 [L83] var_1_46 = var_1_17 [L84] signed long int stepLocal_1 = var_1_9 % (var_1_8 - var_1_20); VAL [isInitial=1, stepLocal_1=0, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=0, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L85] EXPR var_1_7 ^ var_1_10 VAL [isInitial=1, stepLocal_1=0, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=0, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L85] signed long int stepLocal_0 = var_1_7 ^ var_1_10; [L86] COND FALSE !(stepLocal_1 > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=0, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L91] EXPR var_1_9 & var_1_9 VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=0, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L91] COND FALSE !(var_1_8 <= (var_1_9 & var_1_9)) [L94] COND TRUE (var_1_11 % var_1_20) < var_1_1 [L95] var_1_22 = ((((10) > (var_1_10)) ? (10) : (var_1_10))) VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L97] COND TRUE \read(var_1_2) [L98] var_1_40 = ((((var_1_17) > ((var_1_18 + var_1_17))) ? (var_1_17) : ((var_1_18 + var_1_17)))) VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=77/5, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L100] COND TRUE ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f)) [L101] var_1_12 = 31.5f VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=63/2, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=128, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L103] COND TRUE (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) >= (var_1_20 % var_1_20)) || var_1_2 [L104] var_1_24 = ((((var_1_8 - 8) < 0 ) ? -(var_1_8 - 8) : (var_1_8 - 8))) VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=63/2, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=246, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L108] COND TRUE var_1_3 >= ((((32) > (var_1_8)) ? (32) : (var_1_8))) [L109] var_1_37 = (var_1_8 - (var_1_38 - var_1_9)) VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=63/2, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=246, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=191, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L113] COND FALSE !(var_1_17 != var_1_19) VAL [isInitial=1, stepLocal_0=185, var_1_10=-256, var_1_11=-225, var_1_12=63/2, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=246, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=191, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L165] RET step() [L166] CALL, EXPR property() [L156] EXPR ((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=63/2, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=246, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=191, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L156-L157] return ((((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1)) && (((var_1_11 % var_1_20) < var_1_1) ? (var_1_22 == ((signed char) ((((10) > (var_1_10)) ? (10) : (var_1_10))))) : 1)) && (((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) ? ((var_1_10 > var_1_7) ? (var_1_23 == ((unsigned char) ((((var_1_20) < ((var_1_8 - var_1_9))) ? (var_1_20) : ((var_1_8 - var_1_9)))))) : (var_1_23 == ((unsigned char) (((((var_1_20) > (64)) ? (var_1_20) : (64))) + var_1_11)))) : (var_1_23 == ((unsigned char) var_1_20))) ; [L166] RET, EXPR property() [L166] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=63/2, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=246, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=191, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] [L19] reach_error() VAL [isInitial=1, var_1_10=-256, var_1_11=-225, var_1_12=63/2, var_1_17=2, var_1_19=259/4, var_1_1=1073741452, var_1_20=32, var_1_22=10, var_1_23=32, var_1_24=246, var_1_2=1, var_1_30=254, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=191, var_1_38=63, var_1_3=1073741822, var_1_40=2, var_1_44=1, var_1_45=0, var_1_46=2, var_1_6=1073741822, var_1_7=185, var_1_8=1278, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 101 locations, 182 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 6, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1965 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1950 mSDsluCounter, 2049 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1498 mSDsCounter, 389 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2348 IncrementalHoareTripleChecker+Invalid, 2737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 389 mSolverCounterUnsat, 551 mSDtfsCounter, 2348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1399 GetRequests, 1220 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3121 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, InterpolantAutomatonStates: 127, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 199 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1746 NumberOfCodeBlocks, 1746 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1877 ConstructedInterpolants, 0 QuantifiedInterpolants, 8966 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1744 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 10016/10920 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 12:21:06,015 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/21.0.5-tem/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_1.6.800.v20240513-1750.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_fillercode_fillercodestructure_filler-pr-ci_file-83.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 654542981f55ac0dfa4ff9a5a73c4558ad4f81f278b418004930bd889a962b4b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 12:21:07,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 12:21:07,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 12:21:07,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 12:21:07,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 12:21:07,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 12:21:07,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 12:21:07,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 12:21:07,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 12:21:07,909 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 12:21:07,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 12:21:07,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 12:21:07,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 12:21:07,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 12:21:07,910 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 12:21:07,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:21:07,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 12:21:07,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 12:21:07,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 12:21:07,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 12:21:07,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 12:21:07,912 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 654542981f55ac0dfa4ff9a5a73c4558ad4f81f278b418004930bd889a962b4b [2025-03-08 12:21:08,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 12:21:08,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 12:21:08,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 12:21:08,166 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 12:21:08,166 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 12:21:08,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i [2025-03-08 12:21:09,301 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943ddfd6e/7459bdd1d0f149da895be767c571f2ca/FLAG662320298 [2025-03-08 12:21:09,523 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 12:21:09,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i [2025-03-08 12:21:09,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943ddfd6e/7459bdd1d0f149da895be767c571f2ca/FLAG662320298 [2025-03-08 12:21:09,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943ddfd6e/7459bdd1d0f149da895be767c571f2ca [2025-03-08 12:21:09,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 12:21:09,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 12:21:09,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 12:21:09,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 12:21:09,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 12:21:09,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16936fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09, skipping insertion in model container [2025-03-08 12:21:09,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 12:21:09,689 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_fillercode_fillercodestructure_filler-pr-ci_file-83.i[919,932] [2025-03-08 12:21:09,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:21:09,768 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 12:21:09,777 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_fillercode_fillercodestructure_filler-pr-ci_file-83.i[919,932] [2025-03-08 12:21:09,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:21:09,806 INFO L204 MainTranslator]: Completed translation [2025-03-08 12:21:09,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09 WrapperNode [2025-03-08 12:21:09,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 12:21:09,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 12:21:09,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 12:21:09,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 12:21:09,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,846 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2025-03-08 12:21:09,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 12:21:09,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 12:21:09,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 12:21:09,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 12:21:09,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,867 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]. [2025-03-08 12:21:09,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,879 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 12:21:09,894 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 12:21:09,894 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 12:21:09,894 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 12:21:09,895 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (1/1) ... [2025-03-08 12:21:09,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:21:09,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:21:09,921 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) [2025-03-08 12:21:09,923 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 [2025-03-08 12:21:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 12:21:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 12:21:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 12:21:09,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 12:21:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 12:21:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 12:21:10,019 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 12:21:10,021 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 12:21:12,503 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-08 12:21:12,503 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 12:21:12,510 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 12:21:12,510 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 12:21:12,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:21:12 BoogieIcfgContainer [2025-03-08 12:21:12,510 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 12:21:12,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 12:21:12,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 12:21:12,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 12:21:12,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:21:09" (1/3) ... [2025-03-08 12:21:12,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbde021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:21:12, skipping insertion in model container [2025-03-08 12:21:12,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:21:09" (2/3) ... [2025-03-08 12:21:12,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbde021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:21:12, skipping insertion in model container [2025-03-08 12:21:12,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:21:12" (3/3) ... [2025-03-08 12:21:12,518 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i [2025-03-08 12:21:12,528 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 12:21:12,529 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-83.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 12:21:12,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 12:21:12,569 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;@78402a8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 12:21:12,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 12:21:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:21:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 12:21:12,580 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:21:12,581 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:21:12,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:21:12,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:21:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash 628323133, now seen corresponding path program 1 times [2025-03-08 12:21:12,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:21:12,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598928857] [2025-03-08 12:21:12,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:12,597 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 [2025-03-08 12:21:12,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:21:12,600 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) [2025-03-08 12:21:12,601 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 [2025-03-08 12:21:12,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 12:21:13,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 12:21:13,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:13,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:13,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 12:21:13,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:21:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2025-03-08 12:21:13,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:21:13,062 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:21:13,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598928857] [2025-03-08 12:21:13,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598928857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:21:13,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:21:13,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 12:21:13,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738500200] [2025-03-08 12:21:13,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:21:13,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 12:21:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:21:13,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 12:21:13,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:21:13,081 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 12:21:13,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:21:13,104 INFO L93 Difference]: Finished difference Result 133 states and 234 transitions. [2025-03-08 12:21:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 12:21:13,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2025-03-08 12:21:13,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:21:13,110 INFO L225 Difference]: With dead ends: 133 [2025-03-08 12:21:13,110 INFO L226 Difference]: Without dead ends: 66 [2025-03-08 12:21:13,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:21:13,115 INFO L435 NwaCegarLoop]: 101 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, 101 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 [2025-03-08 12:21:13,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:21:13,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-03-08 12:21:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-03-08 12:21:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.372093023255814) internal successors, (59), 43 states have internal predecessors, (59), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:21:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 101 transitions. [2025-03-08 12:21:13,155 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 101 transitions. Word has length 140 [2025-03-08 12:21:13,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:21:13,155 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 101 transitions. [2025-03-08 12:21:13,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 12:21:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2025-03-08 12:21:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 12:21:13,161 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:21:13,162 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:21:13,176 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 [2025-03-08 12:21:13,362 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 [2025-03-08 12:21:13,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:21:13,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:21:13,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1134113018, now seen corresponding path program 1 times [2025-03-08 12:21:13,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:21:13,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189454780] [2025-03-08 12:21:13,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:13,365 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 [2025-03-08 12:21:13,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:21:13,367 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) [2025-03-08 12:21:13,368 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 [2025-03-08 12:21:13,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 12:21:13,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 12:21:13,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:13,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:13,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 12:21:13,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:21:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 476 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2025-03-08 12:21:14,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:21:14,969 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:21:14,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189454780] [2025-03-08 12:21:14,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189454780] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:21:14,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [495286915] [2025-03-08 12:21:14,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:14,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-08 12:21:14,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-08 12:21:14,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-08 12:21:14,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-03-08 12:21:15,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 12:21:16,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 12:21:16,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:16,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:16,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 12:21:16,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:21:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 476 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2025-03-08 12:21:16,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:21:17,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [495286915] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:21:17,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:21:17,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2025-03-08 12:21:17,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976889207] [2025-03-08 12:21:17,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:21:17,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 12:21:17,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:21:17,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 12:21:17,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-08 12:21:17,177 INFO L87 Difference]: Start difference. First operand 66 states and 101 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-03-08 12:21:18,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:21:18,334 INFO L93 Difference]: Finished difference Result 141 states and 209 transitions. [2025-03-08 12:21:18,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 12:21:18,357 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 140 [2025-03-08 12:21:18,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:21:18,358 INFO L225 Difference]: With dead ends: 141 [2025-03-08 12:21:18,358 INFO L226 Difference]: Without dead ends: 78 [2025-03-08 12:21:18,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2025-03-08 12:21:18,359 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:21:18,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 155 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 12:21:18,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-03-08 12:21:18,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2025-03-08 12:21:18,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 49 states have internal predecessors, (63), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 12:21:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2025-03-08 12:21:18,370 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 140 [2025-03-08 12:21:18,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:21:18,370 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2025-03-08 12:21:18,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-03-08 12:21:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2025-03-08 12:21:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 12:21:18,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:21:18,372 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:21:18,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2025-03-08 12:21:18,588 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 (3)] Ended with exit code 0 [2025-03-08 12:21:18,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:21:18,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:21:18,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:21:18,773 INFO L85 PathProgramCache]: Analyzing trace with hash -662838341, now seen corresponding path program 1 times [2025-03-08 12:21:18,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:21:18,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424387204] [2025-03-08 12:21:18,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:21:18,774 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 [2025-03-08 12:21:18,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:21:18,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:21:18,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-08 12:21:18,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 12:21:19,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 12:21:19,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:21:19,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:21:19,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-08 12:21:19,161 INFO L279 TraceCheckSpWp]: Computing forward predicates...