./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_operatoramount_amount50_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 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:48:15,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:48:15,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-04 00:48:15,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:48:15,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:48:15,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:48:15,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:48:15,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:48:15,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:48:15,284 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:48:15,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:48:15,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:48:15,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:48:15,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:48:15,286 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:48:15,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:48:15,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:48:15,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:48:15,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:48:15,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:48:15,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:48:15,289 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 -> 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae [2025-03-04 00:48:15,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:48:15,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:48:15,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:48:15,503 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:48:15,503 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:48:15,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2025-03-04 00:48:16,645 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8da543fe0/42163aeed5d649a8a46f42ece0416081/FLAGd3363b5cc [2025-03-04 00:48:16,882 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:48:16,884 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2025-03-04 00:48:16,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8da543fe0/42163aeed5d649a8a46f42ece0416081/FLAGd3363b5cc [2025-03-04 00:48:17,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8da543fe0/42163aeed5d649a8a46f42ece0416081 [2025-03-04 00:48:17,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:48:17,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:48:17,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:48:17,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:48:17,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:48:17,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9c18e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17, skipping insertion in model container [2025-03-04 00:48:17,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:48:17,340 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2025-03-04 00:48:17,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:48:17,418 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:48:17,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2025-03-04 00:48:17,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:48:17,474 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:48:17,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17 WrapperNode [2025-03-04 00:48:17,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:48:17,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:48:17,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:48:17,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:48:17,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,534 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2025-03-04 00:48:17,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:48:17,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:48:17,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:48:17,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:48:17,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,580 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]. [2025-03-04 00:48:17,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:48:17,612 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:48:17,612 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:48:17,613 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:48:17,613 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (1/1) ... [2025-03-04 00:48:17,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:48:17,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:48:17,642 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) [2025-03-04 00:48:17,645 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 [2025-03-04 00:48:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:48:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:48:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:48:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 00:48:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:48:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:48:17,715 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:48:17,717 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:48:18,006 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc property_#t~ite18#1;havoc property_#t~bitwise16#1;havoc property_#t~bitwise17#1;havoc property_#t~short19#1; [2025-03-04 00:48:18,027 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-04 00:48:18,027 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:48:18,040 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:48:18,040 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:48:18,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:48:18 BoogieIcfgContainer [2025-03-04 00:48:18,041 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:48:18,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:48:18,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:48:18,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:48:18,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:48:17" (1/3) ... [2025-03-04 00:48:18,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266c12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:48:18, skipping insertion in model container [2025-03-04 00:48:18,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:17" (2/3) ... [2025-03-04 00:48:18,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266c12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:48:18, skipping insertion in model container [2025-03-04 00:48:18,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:48:18" (3/3) ... [2025-03-04 00:48:18,048 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-83.i [2025-03-04 00:48:18,058 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:48:18,059 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-83.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:48:18,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:48:18,110 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;@c445925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:48:18,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:48:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 00:48:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 00:48:18,125 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:48:18,126 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:48:18,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:48:18,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:48:18,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1412535368, now seen corresponding path program 1 times [2025-03-04 00:48:18,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:48:18,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902370655] [2025-03-04 00:48:18,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:18,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:48:18,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 00:48:18,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 00:48:18,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:18,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:48:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-03-04 00:48:18,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 00:48:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902370655] [2025-03-04 00:48:18,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902370655] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:48:18,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940370625] [2025-03-04 00:48:18,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:18,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 00:48:18,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:48:18,354 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) [2025-03-04 00:48:18,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 00:48:18,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 00:48:18,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 00:48:18,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:18,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:48:18,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:48:18,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:48:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-03-04 00:48:18,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:48:18,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940370625] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:48:18,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 00:48:18,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 00:48:18,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144986486] [2025-03-04 00:48:18,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:48:18,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:48:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 00:48:18,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:48:18,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:48:18,528 INFO L87 Difference]: Start difference. First operand has 77 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-04 00:48:18,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:48:18,555 INFO L93 Difference]: Finished difference Result 148 states and 250 transitions. [2025-03-04 00:48:18,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:48:18,557 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2025-03-04 00:48:18,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:48:18,561 INFO L225 Difference]: With dead ends: 148 [2025-03-04 00:48:18,562 INFO L226 Difference]: Without dead ends: 74 [2025-03-04 00:48:18,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:48:18,569 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 00:48:18,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:48:18,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-04 00:48:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-03-04 00:48:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 00:48:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 113 transitions. [2025-03-04 00:48:18,605 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 113 transitions. Word has length 124 [2025-03-04 00:48:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:48:18,605 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 113 transitions. [2025-03-04 00:48:18,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-04 00:48:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2025-03-04 00:48:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 00:48:18,607 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:48:18,608 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:48:18,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 00:48:18,808 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 [2025-03-04 00:48:18,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:48:18,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:48:18,809 INFO L85 PathProgramCache]: Analyzing trace with hash 713122517, now seen corresponding path program 1 times [2025-03-04 00:48:18,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:48:18,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143681459] [2025-03-04 00:48:18,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:18,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:48:18,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 00:48:18,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 00:48:18,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:18,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:48:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 108 proven. 102 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-03-04 00:48:19,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 00:48:19,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143681459] [2025-03-04 00:48:19,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143681459] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:48:19,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521845358] [2025-03-04 00:48:19,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:19,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 00:48:19,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:48:19,949 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) [2025-03-04 00:48:19,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 00:48:20,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 00:48:20,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 00:48:20,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:20,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:48:20,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-04 00:48:20,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:48:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 473 proven. 102 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-03-04 00:48:21,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 00:48:21,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521845358] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:48:21,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 00:48:21,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 18] total 22 [2025-03-04 00:48:21,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967162190] [2025-03-04 00:48:21,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 00:48:21,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 00:48:21,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 00:48:21,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 00:48:21,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2025-03-04 00:48:21,850 INFO L87 Difference]: Start difference. First operand 74 states and 113 transitions. Second operand has 22 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 21 states have internal predecessors, (69), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-03-04 00:48:22,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:48:22,665 INFO L93 Difference]: Finished difference Result 173 states and 246 transitions. [2025-03-04 00:48:22,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-04 00:48:22,667 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 21 states have internal predecessors, (69), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) Word has length 124 [2025-03-04 00:48:22,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:48:22,669 INFO L225 Difference]: With dead ends: 173 [2025-03-04 00:48:22,669 INFO L226 Difference]: Without dead ends: 102 [2025-03-04 00:48:22,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=691, Invalid=1961, Unknown=0, NotChecked=0, Total=2652 [2025-03-04 00:48:22,673 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 327 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 00:48:22,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 256 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 00:48:22,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-03-04 00:48:22,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2025-03-04 00:48:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 68 states have internal predecessors, (88), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 00:48:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions. [2025-03-04 00:48:22,695 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 124 [2025-03-04 00:48:22,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:48:22,695 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 126 transitions. [2025-03-04 00:48:22,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 21 states have internal predecessors, (69), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-03-04 00:48:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2025-03-04 00:48:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-04 00:48:22,698 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:48:22,698 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:48:22,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 00:48:22,898 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 [2025-03-04 00:48:22,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:48:22,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:48:22,900 INFO L85 PathProgramCache]: Analyzing trace with hash 145215114, now seen corresponding path program 1 times [2025-03-04 00:48:22,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:48:22,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49552534] [2025-03-04 00:48:22,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:22,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:48:22,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 00:48:22,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 00:48:22,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:22,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 00:48:22,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886553811] [2025-03-04 00:48:22,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:22,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 00:48:22,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:48:22,973 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) [2025-03-04 00:48:22,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 00:48:23,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 00:48:23,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 00:48:23,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:23,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:48:23,340 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 00:48:23,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 00:48:23,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 00:48:23,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:23,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:48:23,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 00:48:23,430 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 00:48:23,431 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 00:48:23,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 00:48:23,634 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 [2025-03-04 00:48:23,636 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 00:48:23,704 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 00:48:23,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:48:23 BoogieIcfgContainer [2025-03-04 00:48:23,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 00:48:23,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 00:48:23,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 00:48:23,708 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 00:48:23,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:48:18" (3/4) ... [2025-03-04 00:48:23,710 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 00:48:23,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 00:48:23,712 INFO L158 Benchmark]: Toolchain (without parser) took 6490.43ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 132.4MB in the beginning and 74.4MB in the end (delta: 58.0MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2025-03-04 00:48:23,712 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:48:23,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.19ms. Allocated memory is still 167.8MB. Free memory was 132.4MB in the beginning and 118.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 00:48:23,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.87ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 113.2MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:48:23,712 INFO L158 Benchmark]: Boogie Preprocessor took 71.72ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 107.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:48:23,713 INFO L158 Benchmark]: IcfgBuilder took 429.09ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 77.2MB in the end (delta: 30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 00:48:23,713 INFO L158 Benchmark]: TraceAbstraction took 5664.84ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 76.1MB in the end (delta: 564.7kB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2025-03-04 00:48:23,713 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 201.3MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:48:23,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.19ms. Allocated memory is still 167.8MB. Free memory was 132.4MB in the beginning and 118.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.87ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 113.2MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.72ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 107.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 429.09ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 77.2MB in the end (delta: 30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5664.84ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 76.1MB in the end (delta: 564.7kB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 201.3MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. 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 97, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 43. 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; 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_2=0, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] 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_3=1230640054, 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_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L74] 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_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] 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_2=1, var_1_3=1230640054, 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_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] 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_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] 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_2=1, var_1_3=1073741822, 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_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L77] 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_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] 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_2=1, var_1_3=1073741822, 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_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] 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_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L79] var_1_6 = __VERIFIER_nondet_long() [L80] 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_2=1, var_1_3=1073741822, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L80] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L81] 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_2=1, var_1_3=1073741822, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L81] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L82] var_1_8 = __VERIFIER_nondet_uchar() [L83] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=16] [L83] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=16] [L84] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=16] [L84] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=16] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190] [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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190] [L86] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190] [L87] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L87] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L88] var_1_10 = __VERIFIER_nondet_uchar() [L89] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L89] 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L90] CALL assume_abort_if_not(var_1_10 <= 32) 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L90] RET assume_abort_if_not(var_1_10 <= 32) 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L91] var_1_11 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L92] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L93] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L93] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L94] var_1_17 = __VERIFIER_nondet_float() [L95] 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=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L95] 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=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L96] var_1_18 = __VERIFIER_nondet_float() [L97] 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=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L97] 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=0, 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_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L98] var_1_20 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_20 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L99] RET assume_abort_if_not(var_1_20 >= 1) VAL [isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L100] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L100] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L101] CALL assume_abort_if_not(var_1_20 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L101] RET assume_abort_if_not(var_1_20 != 127) VAL [isInitial=1, var_1_10=0, 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=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=190, var_1_9=-193] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) [L43] var_1_16 = (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) VAL [isInitial=1, var_1_10=0, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L44] COND FALSE !((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) [L51] var_1_23 = var_1_20 VAL [isInitial=1, var_1_10=0, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L53] COND TRUE \read(var_1_2) [L54] var_1_1 = ((var_1_3 - var_1_7) - var_1_7) VAL [isInitial=1, var_1_10=0, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L58] signed long int stepLocal_1 = var_1_9 % (var_1_8 - var_1_20); VAL [isInitial=1, stepLocal_1=63, var_1_10=0, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L59] EXPR var_1_7 ^ var_1_10 VAL [isInitial=1, stepLocal_1=63, var_1_10=0, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L59] signed long int stepLocal_0 = var_1_7 ^ var_1_10; [L60] COND FALSE !(stepLocal_1 > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) VAL [isInitial=1, stepLocal_0=58, var_1_10=0, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L65] COND TRUE (var_1_11 % var_1_20) < var_1_1 [L66] var_1_22 = ((((10) > (var_1_10)) ? (10) : (var_1_10))) VAL [isInitial=1, stepLocal_0=58, var_1_10=0, var_1_11=-225, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L68] COND TRUE ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f)) [L69] var_1_12 = 31.5f VAL [isInitial=1, stepLocal_0=58, var_1_10=0, var_1_11=-225, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L115] RET step() [L116] CALL, EXPR property() [L106] 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=0, var_1_11=-225, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L106-L107] 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))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=-225, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=-225, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741706, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=58, var_1_8=190, var_1_9=-193] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 328 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 400 IncrementalHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 171 mSDtfsCounter, 400 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=2, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 746 NumberOfCodeBlocks, 746 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 2337 SizeOfPredicates, 5 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2496/2736 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 [2025-03-04 00:48:23,732 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_operatoramount_amount50_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 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:48:25,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:48:25,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-04 00:48:25,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:48:25,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:48:25,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:48:25,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:48:25,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:48:25,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:48:25,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:48:25,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:48:25,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:48:25,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:48:25,574 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:48:25,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 00:48:25,574 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 00:48:25,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:48:25,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:48:25,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:48:25,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:48:25,575 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 -> 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae [2025-03-04 00:48:25,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:48:25,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:48:25,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:48:25,818 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:48:25,818 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:48:25,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2025-03-04 00:48:26,976 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484f0cb3c/2ace06a58de7486981989b653fa049d7/FLAGc08cfad58 [2025-03-04 00:48:27,186 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:48:27,187 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2025-03-04 00:48:27,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484f0cb3c/2ace06a58de7486981989b653fa049d7/FLAGc08cfad58 [2025-03-04 00:48:27,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484f0cb3c/2ace06a58de7486981989b653fa049d7 [2025-03-04 00:48:27,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:48:27,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:48:27,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:48:27,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:48:27,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:48:27,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3702b684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27, skipping insertion in model container [2025-03-04 00:48:27,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:48:27,682 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2025-03-04 00:48:27,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:48:27,726 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:48:27,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2025-03-04 00:48:27,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:48:27,763 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:48:27,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27 WrapperNode [2025-03-04 00:48:27,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:48:27,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:48:27,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:48:27,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:48:27,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,793 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-03-04 00:48:27,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:48:27,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:48:27,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:48:27,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:48:27,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,821 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]. [2025-03-04 00:48:27,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:48:27,843 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:48:27,843 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:48:27,844 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:48:27,844 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (1/1) ... [2025-03-04 00:48:27,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:48:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:48:27,871 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) [2025-03-04 00:48:27,875 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 [2025-03-04 00:48:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:48:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 00:48:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:48:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:48:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:48:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:48:27,958 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:48:27,960 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:48:29,692 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-04 00:48:29,692 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:48:29,699 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:48:29,699 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:48:29,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:48:29 BoogieIcfgContainer [2025-03-04 00:48:29,699 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:48:29,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:48:29,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:48:29,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:48:29,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:48:27" (1/3) ... [2025-03-04 00:48:29,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa2934f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:48:29, skipping insertion in model container [2025-03-04 00:48:29,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:27" (2/3) ... [2025-03-04 00:48:29,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa2934f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:48:29, skipping insertion in model container [2025-03-04 00:48:29,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:48:29" (3/3) ... [2025-03-04 00:48:29,707 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-83.i [2025-03-04 00:48:29,717 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:48:29,718 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-83.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:48:29,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:48:29,757 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;@2e0e7296, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:48:29,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:48:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 00:48:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-04 00:48:29,767 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:48:29,768 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:48:29,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:48:29,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:48:29,771 INFO L85 PathProgramCache]: Analyzing trace with hash 517343778, now seen corresponding path program 1 times [2025-03-04 00:48:29,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:48:29,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523646202] [2025-03-04 00:48:29,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:29,779 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 [2025-03-04 00:48:29,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:48:29,781 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) [2025-03-04 00:48:29,782 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 [2025-03-04 00:48:29,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-04 00:48:30,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-04 00:48:30,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:30,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:48:30,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:48:30,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:48:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2025-03-04 00:48:30,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:48:30,185 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:48:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523646202] [2025-03-04 00:48:30,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523646202] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:48:30,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 00:48:30,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 00:48:30,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882925737] [2025-03-04 00:48:30,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:48:30,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:48:30,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:48:30,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:48:30,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:48:30,205 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-04 00:48:30,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:48:30,219 INFO L93 Difference]: Finished difference Result 104 states and 178 transitions. [2025-03-04 00:48:30,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:48:30,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2025-03-04 00:48:30,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:48:30,227 INFO L225 Difference]: With dead ends: 104 [2025-03-04 00:48:30,227 INFO L226 Difference]: Without dead ends: 52 [2025-03-04 00:48:30,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:48:30,234 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2025-03-04 00:48:30,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:48:30,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-04 00:48:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-03-04 00:48:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 00:48:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2025-03-04 00:48:30,264 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 120 [2025-03-04 00:48:30,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:48:30,264 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2025-03-04 00:48:30,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-04 00:48:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2025-03-04 00:48:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-04 00:48:30,267 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:48:30,267 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:48:30,279 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 [2025-03-04 00:48:30,467 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 [2025-03-04 00:48:30,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:48:30,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:48:30,468 INFO L85 PathProgramCache]: Analyzing trace with hash -734849089, now seen corresponding path program 1 times [2025-03-04 00:48:30,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:48:30,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066050532] [2025-03-04 00:48:30,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:30,469 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 [2025-03-04 00:48:30,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:48:30,472 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) [2025-03-04 00:48:30,473 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 [2025-03-04 00:48:30,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-04 00:48:30,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-04 00:48:30,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:30,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:48:30,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-04 00:48:30,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:49:21,572 WARN L286 SmtUtils]: Spent 9.13s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)